Danish composer (1865-1931)
"Nielsen composed several symphonies that are now considered masterpieces of classical music."
A patronymic surname, from Danish of Danish origin, also used in Norway.
"The Nielsen family has lived on this farm in rural Denmark for several generations."
The surname Nielsen is borrowed directly from Danish and Norwegian, where it means "son of Niels." It entered English as a doublet of the name Nicholson.