There are
171
Hallagans in the USA
Hallagan is the
104602nd
most common last name in the USA

Hallagan Genealogy

OriginsThe Hallagan surname is predominantly Irish, indicating its origins in Ireland. It may also be found among Irish diaspora communities in other parts of the world.
Geographic DistributionThe Hallagan surname is most popular in Ireland, where it has a significant presence. It may also be found among Irish communities in the United States and other countries with Irish immigrant populations.
VariationsThere are no known variations of the Hallagan surname.
Migration and ImmigrationAs an Irish surname, the Hallagan family may have experienced migration and immigration during periods of Irish emigration, such as the Great Famine in the 19th century. However, specific details regarding migration and immigration patterns are unknown.