About Shannahan
The surname Shannahan is of Irish origin and is derived from the Gaelic name "Ó Seanacháin," meaning "descendant of Seanachán." The personal name Seanachán is a diminutive form of "sean," which translates to "old" or "wise." Therefore, the surname Shannahan signifies a person who is a descendant of a wise or old individual.
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The surname Shannahan is a unique entry in our records. Discover more about its distribution and characteristics:
Below is the ethnic distribution of the surname Shannahan 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 Shannahan is not currently available.
Here's how to represent Shannahan in Braille, each pattern of raised dots corresponds to a letter in the name.
The image below shows how you can spell Shannahan using American Sign Language (ASL). In sign language, each hand shape corresponds to a specific a letter of the name.