Cullen 1. [Scottish surname] Cullen. The name of the house comes from Gaelic, which means "nook, Recency" 2. [Irish surname] Karen. The English form of Gaelic surnames comes from aliases, meaning "Holly". 3. Karen The English form of Gaelic surname comes from an alias, which means "puppy, young dog". 4. [British surname] Karen. The name of the residence comes from Latin, which means "colony" 5. [British surname] Karen. Eliminate variants.