US Popularity Rank: 6278

Origin: Norwegian

Meaning: Son of Ole; Ancestors' heir, legacy of ancestors

Made famous by the Olsen sisters Mary-Kate, Ashley, and Elizabeth, this star-studded surname gracefully crosses boundaries as a personal name. Olsen is a Danish-Norwegian patronymic name derived from Ole and means “son of Ole.” Sharing the same root as Norse Olaf, Ole means “ancestors' heir” or “legacy of ancestors,” lending baby Olsen centuries of ancestral love to boost them on their journey.