People who lived in Mason Island townland up to 1911

Tithe Applotment Books Griffith's Valuation 1901 Census 1911 Census

Family Name	First Name	Age	Townland	Year	Publisher	Source
Casey	Bridget	1	Mason Island	1911	National Archives of Ireland	1911 Census of Ireland
Casey	Bridget	20	Mason Island	1901	National Archives of Ireland	1901 Census of Ireland
Casey	Colman		Mason Island	1911	National Archives of Ireland	1911 Census of Ireland