Sisk is an Irish surname and has been found in East Cork since the 18th century. A modern version of the medieval surname Saghas of County Kildare

County Kildare

County Kildare is a county in Ireland. It is part of the Mid-East Region and is also located in the province of Leinster. It is named after the town of Kildare. Kildare County Council is the local authority for the county...

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Early Origins

The earliest form of Sisk is found in Tenby, Wales in 1405. Sayse, from Sais, is a sobriquet

Sobriquet

A sobriquet is a nickname, sometimes assumed, but often given by another. It is usually a familiar name, distinct from a pseudonym assumed as a disguise, but a nickname which is familiar enough such that it can be used in place of a real name without the need of explanation...

 given to many Anglicized Celtic Welshmen which means "English speaking." This name came down from the preceding centuries of Saxon-Welsh interaction and intermarriage.

By the early Medieval Period some Welshmen bearing this surname immigrated to County Kildare where they were huntsmen and falconers for the Earls of Kildare. Sayse became Saghas or Seix. Over the centuries descendents of these men moved throughout Ireland. In East Cork Seix became Sisk.

Names

• Mark S. Sisk
  Mark S. Sisk
  The Right Reverend Mark Sean Sisk is the 15th Episcopal Bishop of New York.-Early education, career, and marriage:...
  
  , (born 1942) US-american, anglican bishop
• John SISK
  John SISK
  John SISK & Sons founder was born in Cork in 1837, the same year as Victoria became Queen of Britain and Ireland. His childhood was a time of severe crisis for Ireland including the national disaster of the Great Famine during which, by death and emigration, the population declined by two...
  
  , (born 1837) Irish