Namesakes
William Petersson
(m) 1895-1965 
Olympic Medalists 1920 4x100 m relay; long jump (bronze/gold)
Magnus Petersson
(m) 1975-
Olympic Medalists 1996 archery - individual (silver)
Tom Petersson
(m) 1950-
Rock and Roll Hall-of-Famers 2016 Cheap Trick