About Costigan
The surname Costigan is of Irish origin and is derived from the Gaelic name "Mac Oisdealbhaigh," meaning "son of Oisdealbhach." The name Oisdealbhach is composed of the elements "os," meaning "deer," and "dealbhach," meaning "like." Therefore, the surname Costigan can be interpreted to mean "son of the deer-like one." It is believed to have originated as a nickname for someone who possessed deer-like qualities or characteristics.
The surname Costigan is a unique entry in our records. Discover more about its distribution and characteristics:
Below is the ethnic distribution of the surname Costigan 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 Costigan is not currently available.
Here's how to represent Costigan in Braille, each pattern of raised dots corresponds to a letter in the name.
The image below shows how you can spell Costigan using American Sign Language (ASL). In sign language, each hand shape corresponds to a specific a letter of the name.