365体育投注网站

Most common surnames starting with O

365体育投注网站According to the 1940 census, Olson was the most common last name beginning with the letter 'O', followed by Owens and Oliver. Click on the names below to learn more about their meaning, history and origins.

Surname Rank*
Olson 1
Owens 2
Oliver 3
O'brien 4
Owen 5
Olsen 6
Osborne 7
O'connor 8
Orr 9
Osborn 10
Ortiz 11
Ott 12

365体育投注网站* Based on population in the 1940 U.S. Census