About Oreilley
The surname Oreilley is of Irish origin and is derived from the Gaelic name Ó Raghallaigh, meaning "descendant of Raghallach." The name Raghallach itself is believed to have originated from the word "raghall," which means "valiant" or "mighty." The surname Oreilley is commonly associated with County Cavan in Ireland and is often anglicized as O'Reilly.
The surname Oreilley is a unique entry in our records. Discover more about its distribution and characteristics:
Below is the ethnic distribution of the surname Oreilley 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 Oreilley is not currently available.
Here's how to represent Oreilley in Braille, each pattern of raised dots corresponds to a letter in the name.
The image below shows how you can spell Oreilley using American Sign Language (ASL). In sign language, each hand shape corresponds to a specific a letter of the name.