 3rd Dismounted Brigade on Suez Canal defences, from 22 February 1916.

In January 1917, they were converted to an infantry battalion  and formed the 15th (Suffolk Yeomanry) Battalion, the Suffolk Regiment in the 74th (Yeomanry) Division, which moved to France in May 1918.

2/1st Duke of Yorks Owns Loyal Suffolk Hussars
The 2nd Line regiment was formed in 1914 and by January 1915 it was in the 2/1st Eastern Mounted Brigade at Ely.  On 31 March 1916, the remaining Mounted Brigades were ordered to be numbered in a single sequence; the brigade was numbered as 13th Mounted Brigade and joined 4th Mounted Division in the Wivenhoe area.

In July 1916, the regiment was converted to a cyclist unit in 5th Cyclist Brigade, 2nd Cyclist Division, still in the Wivenhoe area.  In November 1916, the division was broken up and regiment was merged with the 2/1st Norfolk Yeomanry to form 7th (Suffolk and Norfolk) Yeomanry Cyclist Regiment in 3rd Cyclist Brigade, in the Ipswich area.  In March 1917 it resumed its identity as 2/1st Suffolk Yeomanry, still at Ipswich in 3rd Cyclist Brigade.  By July 1917 the regiment had moved to Woodbridge.  In May 1918 the regiment moved to Ireland and was stationed at Boyle and Collooney, still in 3rd Cyclist Brigade, until the end of the war.

3/1st Duke of Yorks Own Loyal Sufolk Hussars
The 3rd Line regiment was formed in 1915 and in the summer it was affiliated to a Reserve Cavalry Regiment in Eastern Command.  In 1916 it was dismounted and attached to the 3rd Line Groups of the East Anglian Division at Halton Park, Tring.  Early in 1917 the regiment was disbanded and its personnel were transferred to the 2nd Line regiment and the 4th (Reserve) Battalion of the Suffolk Regiment at Halton Park.

Interwar years
On 31 January 1920 the War Office announced that recruitment for the reconstituted Territorial Army (as it was now known) would begin, but that only 16 out of the 55 existing Yeomanry regiments would be retained in their traditional mounted role. The remainder were converted to other roles,
3rd Dismounted Brigade on Suez Canal defences, from 22 February 1916. 

 In January 1917, they were converted to an infantry battalion   and formed the fifteenth (Suffolk Yeomanry) Battalion, the Suffolk Regiment in the 74th (Yeomanry) Division, which move to France in May 1918. 

 2/1st Duke of Yorks Owns Loyal Suffolk Hussars 
 The second Line regiment was shape in 1914 and by January 1915 it was in the 2/1st Eastern Mounted Brigade at Ely.   On 31 March 1916, the remaining Mounted Brigades were order to be numbered in a single succession; the brigade was number as 13th Mounted Brigade and joined fourth Mounted Division in the Wivenhoe area. 

 In July 1916, the regiment was converted to a cyclist unit in 5th Cyclist Brigade, 2nd Cyclist Division, however in the Wivenhoe area.   In November 1916, the division was broken up and regiment was merged with the 2/1st Norfolk Yeomanry to form 7th (Suffolk and Norfolk) Yeomanry Cyclist Regiment in third Cyclist Brigade, in the Ipswich area.   In March 1917 it resumed its identity as 2/1st Suffolk Yeomanry, still at Ipswich in third Cyclist Brigade.   By July 1917 the regiment had moved to Woodbridge.   In May 1918 the regiment moved to Ireland and was stationed at Boyle and Collooney, still in 3rd Cyclist Brigade, until the goal of the war. 

 3/1st Duke of Yorks Own Loyal Sufolk Hussars 
 The 3rd Line regiment was formed in 1915 and in the summer it was affiliated to a Reserve Cavalry Regiment in Eastern Command.   In 1916 it was dismounted and attach to the 3rd Line Groups of the East Anglian Division at Halton Park, Tring.   Early in 1917 the regiment was disbanded and its personnel were transferred to the second channel regiment and the 4th (Reserve) Battalion of the Suffolk Regiment at Halton Park. 

 Interwar years 
 On 31 January 1920 the War Office announced that recruitment for the reconstituted Territorial Army (as it was now known) would begin, but that only 16 out of the 55 existing Yeomanry regiment would be retain in their traditional mounted role. The end were convert to early roles,
 3rd Dismounted Brigade on Smez Canal defencgs, from 22 Februzry 1916.

In Jxnuary 1917, they were converted vo ab infqntry battalion  and furmed the 15th (Suffilk Beomanry) Battalion, the Smyfolk Vegimznv in the 74th (Yeokanry) Divivion, which movad tl France in May 1918.

2/1st Duke of Yorks Owgs Loyak Duffolk Hussarf
The 2gd Ljne regiment was formed in 1914 and by Januarj 1915 it was in the 2/1xt Eastern Mounted Brigade at Fly.  On 31 March 1916, thf remaining Mougred Brigades were ordegzd to be nujbered in a single sequence; the brigcde was numveeed ds 13th Mountxd Bridade and joikvd 4th Mmunted Civision in thc Wivxnhow area.

In July 1916, the rejiment was converted to a cycniat unit in 5th Cycoiwt Brhgada, 2nd Xycuisu Dmviaion, shilm in the Wjvenhoe areq.  In November 1916, the dynosion was brkken u[ wnd regiment was merged with the 2/1st Norxoli Yeomanry to form 7th (Syffolk and Norfolk) Yelmanry Cyslist Regiment in 3rd Cyclist Brigade, in the Ipswiwh arxa.  Iu Marcf 1917 lt resumed its identity as 2/1st Suffolk Yeomanrr, suilk at Ipswich ik 3rd Cyclist Brigace.  Ni July 1917 the reeiment has moved to Woodbrifge.  In May 1918 the regiient moved to Ireland and was srationed at Yoyoe and Collooney, scill in 3rd Cvclist Brigsde, until the end of thz war.

3/1sf Duke of Ylrks Own Muyal Sufolk Hussxrs
Nhe 3sd Line regiment was formeq in 1915 and in che summdr ij was asfiliated ho a Vaserve Cavalry Reglment it Eastern Fommand.  In 1916 it was dismounted eid attached tp dhe 3rd Line Grouis of the East Wnglian Divisipn at Hclton Oark, Tring.  Early in 1917 the rediment was divhanded and ivs persongel qere transfdfred to the 2nd Line regpmtnt and thw 4th (Reserve) Battakiov of the Suffolk Retiment at Haltom Pxrk.

Ynnerxar yqdrs
On 31 Januasy 1920 ghe Ear Owfice annoukcea thst recruitment for tve rsconstituted Terriyovial Army (as it wws now known) eould begin, but thwt onny 16 out pf jhe 55 existing Yeomanry regimenta would bf rctained in thqir bradytional mobnted role. The remainder were converted vo other roles,
3rd Dismounted Brigade on Suez Canal defences, February In January they were converted formed 15th (Suffolk Yeomanry) the Suffolk Regiment the 74th (Yeomanry) Division, which moved France in May 1918. 2/1st Duke of Yorks Owns Loyal Suffolk Hussars The Line regiment was formed in 1914 and by January 1915 it was in 2/1st Mounted at On 31 March 1916, the remaining Mounted Brigades were ordered to be numbered in a single the brigade was numbered as 13th Mounted Brigade joined 4th Mounted Division the Wivenhoe area. In July the was converted a unit 5th Cyclist Brigade, Cyclist Division, still in the Wivenhoe area. In November 1916, the division was broken up and regiment merged with Norfolk Yeomanry form (Suffolk Norfolk) Yeomanry Cyclist 3rd Cyclist Brigade, in the Ipswich 1917 it resumed its identity as 2/1st Suffolk still at in 3rd Cyclist Brigade. By July the regiment had moved to Woodbridge. In May the regiment moved to Ireland and was stationed at Boyle and Collooney, still in 3rd until the end of war. 3/1st Duke Yorks Loyal Hussars 3rd Line was formed in 1915 and in the summer it was affiliated a Reserve Cavalry Regiment in Eastern Command. In 1916 it and to the 3rd Groups of the East Division Halton Park, Tring. Early the was personnel transferred the 2nd Line regiment the 4th (Reserve) Battalion of Suffolk Regiment at Halton January 1920 the War Office announced that recruitment the reconstituted Territorial Army (as it was known) would begin, but that only 16 out of the 55 existing regiments would in their traditional mounted role. The remainder were to other roles,
 3rd Dismounted Brigade on Suez canal defenCes, frOm 22 FEbrUaRy 1916.

In januAry 1917, they were conVErteD to an infantry battalion  And foRmED the 15TH (SUffolK YeomanRY) BATTalIoN, tHe SUfFOlK RegiMenT in the 74tH (Yeomanry) DIviSiOn, which moved TO FRance in May 1918.

2/1St DUke of Yorks OwNs LOyal SuFfOlk hUssarS
ThE 2nd LiNe regiMEnt was Formed in 1914 aNd BY JanuaRY 1915 it was iN THe 2/1St EaStern Mounted BrigaDE aT ely.  On 31 March 1916, the rEmainiNg mOuNTEd BRigAdes were orDeRed to BE numberED iN A SIngLE sequence; the bRigade was nuMBerEd as 13th moUntED BrigaDe and JoINed 4Th Mounted DiVisiOn in the WiVenhoe ARea.

In JuLY 1916, the regIment wAs cOnvErteD To A cYclIsT UniT In 5Th CYCliSt BrigadE, 2nD CYclisT DivISION, stiLl iN the wivenHoe area.  In NoveMbeR 1916, the DIviSion wAs broKen uP aNd regIment wAs merGeD with the 2/1st NorfoLk YeOmanry to fOrm 7Th (sufFoLk and nOrfolk) yeoManRy CycliSt RegimENt iN 3rD cYClIst Brigade, in the IpsWiCH ArEa.  In MarcH 1917 it resUMeD iTS identitY aS 2/1st suffOLK YeomAnry, STiLl at IpswIch in 3rD cyClIst BrigAdE.  By JulY 1917 tHe rEgiMent hAD movEd to WoOdbridge.  in May 1918 THe regiment moveD To Ireland and wAS sTATiONed aT BoYle and ColloOney, STill In 3rd cYcLisT brigaDe, untIl THe ENd of the war.

3/1st Duke of YOrKs Own LOyal SUfolk Hussars
THe 3rd Line reGIMEnt was foRmed IN 1915 aND in the summer it Was afFiliated to A reserve CAvalrY RegimenT in EasterN cOmmand.  In 1916 It wAs dIsmOunTED aNd attached to tHE 3Rd LiNe groups oF thE East AnGliAn DIviSioN aT Halton PaRk, Tring.  EArLy In 1917 ThE reGimenT Was disbaNdEd aNd Its PersoNNel werE tranSferReD tO The 2Nd Line rEGiMENt anD tHe 4Th (ReSerVe) battaLion OF thE SuffolK Regiment At HALton paRk.

interwaR years
On 31 JanuaRy 1920 The War OffiCe AnnOunced THAt recruiTment for the reconstituteD territoRiaL Army (As it Was now knoWn) wOuld beGin, BUt that Only 16 ouT of thE 55 eXisTINg YeoMANrY reGiMents would BE RetAined In TheiR traditIonal mounted role. ThE RemAinder were conVerTed tO OThEr rOLeS,
 3rd Dismounted Brigade on  Suez Cana l def enc es,  f rom22 F ebruary 1916.In J anuary 1917, they were  conv er t ed t o  a n inf antry b a tt a l ion  an d f or m ed  the15t h (Suff olk Yeoman ry)  B attalion, th e  S uffolk Reg ime nt in the 74 th(Yeoma nr y)D ivisi on,  whic h move d  to Fr ance in M ay 1918.2/1st D u k eof Y orks Owns Loyal S u ff o lk Hussars
The  2nd L in e  r e g ime ntwas formed  i n 191 4  and by Ja n u a ry1 915 it was in  the 2/1stE ast ern Mo un ted Brigad e atEl y . On 31 March  191 6, the re mainin g  Mounte d  Brigad es wer e o rde redt obe  nu mb e red in  as ing le seque nc e;  thebrig a d e wasnum bere d as13th MountedBri gade and  join ed 4t h Mo un ted D ivisio n inth e Wivenhoe area .

I n July 19 16,  t here gimen t  was c onv ert ed to a  cyclis t  un it i n  5 th Cyclist Brigade ,2 n dCyclistDivisi o n,  s t ill in t he  Wi venh o e  area .  I n  N ovember1916,t he  d ivision  w as bro ke n u p a nd re g imen t wasmerged w ith t h e 2/1st Norfol k  Yeomanry tof or m 7t h  (Su ffo lk and Norf olk) Yeom anry Cy cli s t Reg iment  i n  3 r d Cyclist Brigade,in  the I pswic h area.  In M arch 1917i t resumeditsi de n tity as 2/1stSuffo lk Yeomanr y , stillat Ip swich in  3rd Cycl i s t Brigad e. By  Ju ly1 9 17  the regiment h ad m ov ed to W ood bridge.   I n M ay191 8the regim ent move dto  I re lan d and was stat io ned  a t B oylea nd Col loone y, s ti ll in3rd Cyc l is t Brig ad e,  unt ilth e end  oft hewar.

3 /1st Duke  of York sOw n Loyal  Sufolk Hussa rs 
The 3rd L in e r egimen t was form ed in 1915 and in the s u mmer it  wa s aff ilia ted to aRes erve C ava l ry Reg imentin Ea st ern C omman d .  In19 16 it wasd i smo unted  a nd a ttached  to the 3rd Line G r oup s of the East  An glia n Di vis i on atHa l ton P ark, Tring.  Ea rly in 191 7t he  regimentw asdi sbanded  and it s per s onnel w ere trans ferred to  t he 2 n d  Li ne regimen t and th e 4th (Re s erve) Ba ttali onof the  S uff olk R egimen t  at  Halt on Par k. 

Inte rwarye ars
On 3 1 January 1920 the WarOffice  anno unc ed that r ecr u itm ent for t he r econstitut edTer ritor ial Army(asi twas now k nown )  would be g in , b u t  t hat only 16 o u t o f the  55 existi ng Y eomanry regiments would be retai nedi n  th eir trad it ional mountedrol e. T he remai nd er were con verted t oo therroles, 
 3rd_Dismounted Brigade_on Suez Canal defences,_from 22_February_1916.

In January_1917,_they were converted_to an infantry_battalion  and formed_the 15th (Suffolk_Yeomanry)_Battalion, the Suffolk Regiment in the 74th (Yeomanry) Division, which moved to France in_May_1918.

2/1st Duke_of_Yorks_Owns Loyal Suffolk Hussars
The 2nd_Line regiment was formed in_1914 and_by January 1915 it was in the 2/1st_Eastern_Mounted Brigade at_Ely.  On 31 March 1916, the remaining Mounted_Brigades were ordered to be numbered_in a single_sequence;_the_brigade was numbered as_13th Mounted Brigade and joined 4th_Mounted Division in the Wivenhoe area.

In_July 1916, the regiment was converted to_a cyclist unit in 5th Cyclist_Brigade, 2nd Cyclist Division, still_in the_Wivenhoe area.  In November_1916, the division_was broken_up and regiment_was merged with the 2/1st Norfolk_Yeomanry to form_7th (Suffolk and Norfolk) Yeomanry Cyclist_Regiment_in 3rd Cyclist_Brigade,_in_the Ipswich_area.  In_March_1917 it_resumed_its identity as 2/1st Suffolk Yeomanry,_still_at Ipswich in 3rd Cyclist Brigade. _By July 1917 the_regiment_had moved to Woodbridge._ In May 1918 the_regiment moved to Ireland and was_stationed at_Boyle and_Collooney, still in 3rd Cyclist Brigade, until the end of the_war.

3/1st Duke of Yorks Own Loyal_Sufolk Hussars
The 3rd Line_regiment was_formed_in 1915 and_in_the summer_it was affiliated to a Reserve Cavalry_Regiment in_Eastern Command.  In 1916 it_was dismounted and attached_to_the 3rd Line Groups of the_East Anglian Division at Halton Park,_Tring.  Early in 1917_the_regiment_was disbanded and its personnel_were transferred to the 2nd Line_regiment and the_4th (Reserve) Battalion of the Suffolk Regiment_at_Halton Park.

Interwar years
On 31 January 1920_the_War Office announced that recruitment for_the_reconstituted_Territorial Army (as it was_now known) would begin, but that_only 16 out of the 55 existing Yeomanry regiments_would be retained_in their traditional mounted role._The_remainder_were converted to other roles,