Son of Neil
An English and Scottish patronymic surname meaning 'son of Neil'. The root name Neil is derived from the Gaelic name Niall, which may mean 'cloud' or 'champion'.
Less common today
Neilson isn't in the latest US Top 1000. It last peaked at #6,354 in 1993.
American businessman and namesake of the Neilson Hays Library
American professional road racing cyclist
US births per 5-year period, 1990βpresent (SSA data).