Olsen is of Scandinavian origin, specifically from Norway and Denmark. It's a patronymic surname derived from the Old Norse personal name Olave, which means "ancestor's peace." However, when used as a given name, Olsen has become quite popular in its own right, especially among Scandinavian communities around the world. The name gained significant attention when it was chosen by several notable individuals, such as Danish author Karen Blixen (pen name Isak Dinesen) and Norwegian-American actress Renée Zellweger. Today, Olsen is not only recognized as a surname but also as a given name with a rich history and distinct Scandinavian heritage.
"Olsen popularity peaked recently, with 43 births in 2023, a significant increase from the early years like 5 births in 1989 and 6 in 2003."