Born in Sussex, New Brunswick, Lamb played three years of senior with the local Dairy Kings club (1922-25) before heading to Montreal to play for several amateur clubs. He played for the Montreal Junior Royals, a bank team (Royal Bank of Canada), and the Montreal Victorias. Lamb scored 28 goals in the 15 game Victorias' European tour in 1927. In January 1928 he was signed as a free agent by the Montreal Maroons and then scored 13 points in 21 games. After playing most of the next season in Montreal, he was sent to the Ottawa Senators in exchange for George Boucher.