Treacy

Reduced Anglicized form of Irish Ó Treasaigh (“descendant of Treasach”), a personal name ultimately derived from treise (“strenght, power”).

Treacy (plural Treacys)

1. A surname from Irish.

• According to the 2010 United States Census, Treacy is the 17428^th most common surname in the United States, belonging to 1619 individuals. Treacy is most common among White (94.44%) individuals.

• Hanks, Patrick, editor (2003), “Treacy”, in Dictionary of American Family Names, volume 3, New York City: Oxford University Press, →ISBN.

• Tracey, catery