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About us

Started in April 2008 the project is open to all males bearing the Crosier/Crozier surname and its variant spellings. The surname was originally found in Upper Liddesdale and Teviotdale in the Scottish Borders, Bewcastle, Cumbria in the north of England, as well as in the counties of Armagh, Cavan, Down, Fermanagh, Leitrim, Monaghan and Tyrone in Ireland.


A Surname Project traces members of a family that share a common surname. Since surnames are passed down from father to son like the Y-chromosome, this test is for males taking a Y-DNA test.

Females do not carry their father's Y-DNA and acquire a new surname by way of marriage, so the tested individual must be a male that wants to check his direct paternal line (father's father's father's...) with a Y-DNA12, Y-DNA37, or Y-DNA67 marker test. Females who would like to check their direct paternal line can have a male relative with this surname order a Y-DNA test.

Crosier/Crozier DNA Research: