Teams John Seymour played for

Main FCSussex (1904-1907)
 Northamptonshire (1908-1919)
Minor Counties ChampionshipBerkshire (1931)
County ChampionshipSussex (1904-1907)
 Northamptonshire (1910-1919)
MiscellaneousSussex Second XI (1902-1907)
 Northamptonshire (1913)