There are
115
Deagans in the USA
Deagan is the
144141st
most common last name in the USA

Deagan Genealogy

OriginsThe DEAGAN surname originates from Ireland and is associated with the Gaelic O'Deagáin clan. The name is predominantly found in County Waterford and the surrounding areas.
Geographic DistributionThe DEAGAN surname is most popular in Ireland, particularly in County Waterford. It can also be found in Irish diaspora communities, including the United States and the United Kingdom.