About Osullivan
The surname O'Sullivan is of Irish origin and is derived from the Gaelic name "Ó Súilleabháin," meaning "descendant of Súilleabhán." The personal name Súilleabhán is composed of the elements "súil," meaning "eye," and "dubhán," meaning "dark." Therefore, the surname O'Sullivan can be interpreted as "descendant of the dark-eyed one."
The surname Osullivan is a unique entry in our records. Discover more about its distribution and characteristics:
Below is the ethnic distribution of the surname Osullivan 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 Osullivan is not currently available.
Here's how to represent Osullivan in Braille, each pattern of raised dots corresponds to a letter in the name.
The image below shows how you can spell Osullivan using American Sign Language (ASL). In sign language, each hand shape corresponds to a specific a letter of the name.