Cullinan

Irish surname

"holly tree"

Cullinan Origin and Meaning

The name Cullinan is a boy's name.

Cullinan is an Irish surname that is unusual but accessible, with the unique nickname of Cully.

Trivia tidbit: The Cullinan diamond was the largest rough diamond ever found--over 3,000 carats--when it was unearthed in 1905.