About Costelloe
The surname Costelloe is of Irish origin and is derived from the Gaelic name "Mac Oisdealbhaigh," meaning "son of Oisdealbhach." The name Oisdealbhach itself is believed to be derived from the Old Norse name Ásketill, which means "god's kettle" or "god's helmet." The Costelloe surname is primarily associated with County Galway in Ireland and is often anglicized as Costello.
The surname Costelloe is a unique entry in our records. Discover more about its distribution and characteristics:
Below is the ethnic distribution of the surname Costelloe 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 Costelloe is not currently available.
Here's how to represent Costelloe in Braille, each pattern of raised dots corresponds to a letter in the name.
The image below shows how you can spell Costelloe using American Sign Language (ASL). In sign language, each hand shape corresponds to a specific a letter of the name.