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Johnigans in the USA52851st
most common last name in the USAJohnigan Genealogy
OriginsThe origins of the Johnigan surname are unclear, as there is limited information available. It is presumed to have originated from a family name or personal name.
Geographic DistributionThe Johnigan surname is most commonly found in the United States, particularly in the southeastern states such as Georgia, Alabama, and Mississippi.
VariationsVariations of the Johnigan surname may include Johnnagan, Johnnegan, and Johnijan.
Migration and ImmigrationThere is limited information available about the migration and immigration history of the Johnigan surname.