Bert Peer was born November 12, 1910 in Port Credit, Ontario. A member of the Toronto Mercantile Hockey League for two seasons, Peer joined the Toronto Independent Hockey League in 1934-35 where he split his season with the Ontario Hockey Association Senior 'A' Hockey League's Oakville Villans.
The 1935-36 season was to be the same as the previous year for Peer, sharing his time with the Oakville and the British Consols before joining the Harringay Racers of the British Premier/Super League in 1936-37. Peer spent two seasons with the Racers competing in the London Cup and the British National Hockey Challenge Tournament, before returning to North America in 1938-39 and joining the Quebec Provincial Hockey League's Valleyfield Braves.
The Port Credit, Ontario native spent the majority of the 1939-40 season with the American Hockey Association's Omaha Knights while playing a handful of games with the Quebec City Hockey League's Ottawa Senators. Even with stops in Omaha and Ottawa, Peer managed to make his NHL debut with the Detroit Red Wings during the season.
Peer played in only one game with the Red Wings before returning to Omaha the following year. In 1941-42, Peer had a break out year offensively as a member of the AHA's Fort Worth Rangers earning AHA Second Team All-Star honours.
Following a six-year absence from the OHA Sr. Peer returned in 1942-43 as a member of the Toronto Navy before stepping away from the game for the next two years for military service reasons.
Peer returned to the ice in 1945-46 splitting his season between the United States Hockey League's Tulsa Oilers and Valleyfield Braves of the Quebec Senior Hockey League. A two-time participant in the Allan Cup tournament in 1947 and again in 1948 with the OHA Sr. Hamilton Tigers, Peer stepped away from the game for good following the 1947-48 season.
Throughout his hockey career, Bert Peer played in one NHL game.