About Gillahan
The surname Gillahan is of Irish origin and is derived from the Gaelic name Mac Giolla Chainnigh, meaning "son of the servant of St. Canice." It is a patronymic surname, indicating descent from an ancestor who was associated with or served St. Canice, a 6th-century Irish saint. The name is predominantly found in County Clare and County Limerick in Ireland.
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The surname Gillahan is a unique entry in our records. Discover more about its distribution and characteristics:
Below is the ethnic distribution of the surname Gillahan based on recent US Census records. This is a brief glimpse into the diverse backgrounds of people carrying this surname.
Ranking information for the surname Gillahan is not currently available.
Here's how to represent Gillahan in Braille, each pattern of raised dots corresponds to a letter in the name.
The image below shows how you can spell Gillahan using American Sign Language (ASL). In sign language, each hand shape corresponds to a specific a letter of the name.