Roscoe Alfred Fillmore (10 July 1887 – 20 November 1968) was a Canadian radical political activist, horticulturalist, and author from New Brunswick and later Nova Scotia.

[1][2][3][4] Born in the tiny farming community of Lumsden, Albert County, New Brunswick, Fillmore's mother died in 1894 from tuberculosis at the age of 29.

[8] In the early 1920s, he joined the Communist Party of Canada and visited the Soviet Union, including spending time in 1923 on an experimental farm in Siberia.

Despite the fact he left the party, he was still followed and tracked by the RCMP for several years, including at the nursery he owned and funerals he attended.

[9]: 365 He was an active writer for the Steelworker and Miner, a weekly newspaper for union workers in Nova Scotia.