Formed as the
works team of
Blackstone & Co, the club won the
Peterborough & District League in 1918–19. However, they subsequently dropped into more local football, playing in the Stamford & District and Bourne & District leagues, winning the last Stamford & District league title before
World War II. Following the war, Blackstones rejoined the Peterborough & District League. They finished bottom of Division One in 1950–51 and were relegated to Division Two. The following season saw them finish bottom of Division Two, after which they left the league. They rejoined the league in 1959, and were Division Two champions in 1961–62 and Division One champions in 1975–76. After finishing as runners-up in 1987–88, they were promoted to the Premier Division. The 1992−93 season saw them win the Lincolnshire Senior 'A' Cup, beating
Bourne Town in the final. They finished fourth in Division One in
2024–25, qualifying for the promotion play-offs. After beating
Retford United 3–0 in the semi-finals, they defeated
Retford 3–2 in the final, earning promotion to the Premier Division North. ==Ground==