▁English ▁as ▁" son ▁of ▁Sit re ac ". ▁The ▁surname ▁origin ated ▁as ▁a ▁patron ym , ▁however ▁it ▁no ▁longer ▁refers ▁to ▁the ▁actual ▁name ▁of ▁the ▁bear er ' s ▁father . ▁The ▁form ▁Nic ▁Sit ric ▁is ▁bor ne ▁by ▁un mar ried ▁females ; ▁the ▁forms ▁Be an ▁M h ic ▁Sit ric ▁and ▁M h ic ▁Sh it ric ▁are ▁bor ne ▁by ▁married ▁females . ▁A ▁variant ▁form ▁of ▁Mac ▁Sit ric ▁is ▁Mag ▁Sit ric ; ▁the ▁femin ine ▁forms ▁of ▁this ▁surname ▁are ▁N ig ▁Sit ric , ▁Be an ▁M h ig ▁Sit ric , ▁and ▁M h ig ▁Sit ric . ▁All ▁these ▁Irish ▁s urn ames ▁have ▁various ▁Ang lic ised ▁forms . ▁ ▁Et ym ology ▁Mac ▁Sh it ric ▁transl ates ▁into ▁English ▁as ▁" son ▁of ▁Sit re ac ". ▁A ▁variant ▁form ▁of ▁the ▁surname ▁is ▁Mag ▁Sit ric . ▁These ▁s urn ames ▁origin ated ▁as ▁patron ym s , ▁however ▁they ▁no ▁longer ▁refer ▁to ▁the ▁actual ▁name ▁of ▁the ▁bear er ' s ▁father . ▁The ▁name ▁Sit re ac ▁is ▁a ▁G ael ic ▁derivative ▁of ▁the ▁Old ▁Nor se ▁Sig try g gr . ▁This ▁Old ▁Nor se ▁personal ▁name ▁is ▁composed ▁of ▁two ▁elements : ▁the ▁first , ▁Sig -, ▁means ▁" v ict ory "; ▁the ▁second ▁element , ▁- try g gr , ▁means ▁" true ". ▁ ▁Fem in ine ▁forms ▁Mac ▁Sit ric ▁and ▁Mag ▁Sit ric