and the formation of a Romano-Britain Culture with British Latin language, and later by the Anglo-Saxon migration and settlement and spreading of their language in most of old Britannia, Great Britain) Common Brittonic / Old Brittonic (extinct) Eastern Brittonic (extinct after Anglo-Saxonic conquest and settlement in Britannia, today's England) Southwestern Brittonic Dumnonian (extinct) Old Cornish (extinct) Middle Cornish (extinct) Cornish (Modern Cornish) (Kernowek) Old Breton (extinct) Middle Breton (extinct) Breton (Modern Breton) (Brezhoneg) Léonard (Leoneg) Trégorrois (Tregerieg) Cornouaillais (Kerneveg) Vannetais (Gwenedeg) Guérandais (in Guérande and Batz-sur-Mer) (extinct) Western Brittonic Primitive / Archaic Welsh (extinct) Old Welsh (extinct) Middle Welsh (extinct) Welsh (Modern Welsh) (Cymraeg / y Gymraeg) (Y Fro Gymraeg is the largest contiguous Celtic language area with a majority of speakers) Gwent and Morgannwg Dyfed Gwynedd Powys Patagonian Welsh (in Y Wladfa - Chubut, Patagonia, Argentina) Cumbric (extinct) Ivernic? (hypothetical) (extinct) Pictish Pictish (may have been a Celtic language possibly related to Brittonic) (extinct) Goidelic (Q Celtic) (dialect continuum) Primitive Irish (extinct) Old Irish (Goídelc) (extinct) Middle Irish (Gaoidhealg) (extinct) Modern Goidelic dialect continuum (teangacha Gaelacha / cànanan Goidhealach / çhengaghyn Gaelgagh) Western Gaelic Irish (Modern Irish) (Gaeilge) / Irish Gaelic (not to be confused with Irish English / Hiberno-English) (the districts part of regions were Irish is spoken as first language by a majority of people are known as Gaeltacht) Standard Irish (An Caighdeán Oifigiúil) (pan-regional form) Urban Irish (developing modern dialect in the urban areas, particularly in Dublin) Leinster-Connacht Irish (in Central Ireland) (Lár – Middle, Central) (transitional characteristics between Ulster Irish, in the north, and Munster Irish, in the south) Leinster Irish (in Leinster / Laighin) (extinct) (no longer part of the Gaeltacht) (the only Irish is the Standard Irish) East Leinster (Laighin Thoir) The Pale Irish (in South The Pale / An Pháil) (extinct) (included Dublin) (originally was part of the Kingdom of Mide) (no longer part of the Gaeltacht) (the only Irish is the Standard Irish) Midland Leinster-Connacht (Lár Tíre) (transitional between Leinster and Connaught dialects) Connacht Irish (Gaeilge Chonnacht) (in Connacht) Connemara Connacht Irish (in Connemara) (West Connemara is the largest contiguous Gaeltacht region) West Aran Connacht Irish / Inishmore and Inishmaan Connacht Irish (in the Aran islands of Inishmore and Inishmaan but not in Inisheer where people speak a Munster Irish dialect) Mayo Connacht Irish (Erris / Iorras) (in Mayo) Munster Irish (Gaelainn na Mumhan) (in Munster) (Deisceartach – Southern) East Munster