About Hallahan
The surname Hallahan is of Irish origin and is derived from the Gaelic name Ó hÁilcheacháin, which means "descendant of Áilcheachán." The name Áilcheachán is believed to be a diminutive form of the personal name Áilche, meaning "rock." Therefore, the surname Hallahan can be interpreted to mean "descendant of the little rock."
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The surname Hallahan is a unique entry in our records. Discover more about its distribution and characteristics:
Below is the ethnic distribution of the surname Hallahan 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 Hallahan is not currently available.
Here's how to represent Hallahan in Braille, each pattern of raised dots corresponds to a letter in the name.
The image below shows how you can spell Hallahan using American Sign Language (ASL). In sign language, each hand shape corresponds to a specific a letter of the name.