About Coolahan
The surname Coolahan is of Irish origin and is derived from the Gaelic name Ó Cúlacháin, which means "descendant of Cúlachán." The name Cúlachán is believed to be a diminutive form of the Gaelic word "cúlach," meaning "a boar." The surname Coolahan is primarily found in County Donegal in Ireland and is associated with the ancient Gaelic clan of Ó Cúlacháin.
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The surname Coolahan is a unique entry in our records. Discover more about its distribution and characteristics:
Below is the ethnic distribution of the surname Coolahan 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 Coolahan is not currently available.
Here's how to represent Coolahan in Braille, each pattern of raised dots corresponds to a letter in the name.
The image below shows how you can spell Coolahan using American Sign Language (ASL). In sign language, each hand shape corresponds to a specific a letter of the name.