About Fennessey
The surname Fennessey is of Irish origin and is derived from the Gaelic name Ó Fionnasa, meaning "descendant of Fionnasa." The name Fionnasa is believed to be a personal name derived from the Gaelic word "fionn," meaning "fair" or "white." The surname Fennessey is relatively rare and is primarily found in County Clare, Ireland.
Explore your ancestry and health insights with exclusive savings.
Save 15%-60% this holiday season
The surname Fennessey is a unique entry in our records. Discover more about its distribution and characteristics:
Below is the ethnic distribution of the surname Fennessey 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 Fennessey is not currently available.
Here's how to represent Fennessey in Braille, each pattern of raised dots corresponds to a letter in the name.
The image below shows how you can spell Fennessey using American Sign Language (ASL). In sign language, each hand shape corresponds to a specific a letter of the name.