There are
256
Mcilvoys in the USA
Mcilvoy is the
75317th
most common last name in the USA

Mcilvoy Genealogy

OriginsThe McIlvoy surname is predominantly of Irish origin, with roots in County Cavan and County Meath in Ireland.
Geographic DistributionThe McIlvoy surname is most popular in Ireland, where it has a significant presence. It may also be found in other parts of the world with Irish diaspora communities, such as the United States, Canada, and the United Kingdom.