Most wins in a season: 22 in 1905
Most losses in a season: 41 in 1905
|1905||Guelph Biltmores||Canadian League||22||41||Roster||Stats|
|1930||Guelph Biltmores||Ontario League||21||29||Roster||Stats|
Average attendance is based upon the number of actual home dates where known (most leagues from 1992 and later). Where the number of home dates is not known, the average is calculated using half the team's total games.