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.
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 the name "Shannahan" using braille for the visually impaired.
Using the sign language hand symbols below, you can sign the name "Shannahan."