- before 1788 - see the descriptions and links on the Ontario GenWeb site for Frontenac County
- 1788 - 1849 - the area was called Mecklenburg District, then Midland District. Learn more on the Archives of Ontario website.
- 1849 - 1998 - Frontenac County was comprised of eighteen townships, of which Loughborough Township was one.
- 1998 - present - Loughborough Township was amalgamated into the Township of South Frontenac in Frontenac County.
Towns and Villages
- Buck Lake
- Desert Lake
- Loughborough village - now called Sydenham
- Missouri - now called Oates
- Oates - formerly Missouri
- Perth Road
- Sigsworth Lake
- Spafford’s Corners - now called Spaffordton
- Spaffordton - formerly Spafford’s Corners
- Sydenham - formerly Loughborough * (KFPL Library Branch)