Calnan

English Wikipedia has an article on:

Calnan (surname)

Wikipedia

Reduced form of Callanan.

Calnan (plural Calnans)

1. A surname from Irish.

• According to the 2010 United States Census, Calnan is the 28618^th most common surname in the United States, belonging to 833 individuals. Calnan is most common among White (96.52%) individuals.

• Hanks, Patrick, editor (2003), “Calnan”, in Dictionary of American Family Names, volume 1, New York: Oxford University Press, →ISBN, page 273.