Definitions

1. noun

a person bearing the surname Sullivan, or a place name, especially in the United States.

“The Sullivans were a well-known family in the neighborhood.”

2. proper noun

a specific person, such as a politician (e.g. Edmund Sullivan, an American politician), or a place (e.g. Sullivan County in New York)

“Edmund Sullivan was elected as the new mayor.”

3. feminine given name

a name given to girls born in families bearing this surname, or in honor of a notable woman with this name

“My grandmother’s name was Sullivan, after her mother.”