|21st Lieutenant Governor of Connecticut|
|Preceded by||Charles J. McCurdy|
|Succeeded by||Charles H. Pond|
|Spouse(s)||Sarah Young Backus|
Backus was a member of the Connecticut State House of Representatives in 1829 and 1833. He was elected as a member of the Connecticut State Senate in 1835 and 1838, representing the 14th District. He served as the 21st Lieutenant Governor of Connecticut under Governor Joseph Trumbull, and served from 1849 to 1850.
Backus died in 1858 and is interred at Old Westfield Cemetery, Danielson, Windham County, Connecticut.
- "Lieutenant Governor". Connecticut State Library. Retrieved January 1, 2013, 2012. Check date values in:
- "Thomas Backus". Old Westfield Cemetery. Retrieved 1 January 2013.
- "Thomas Backus". The Political Graveyard. Retrieved 1 January 2013.
- "Thomas Backus". Find A Grave. Retrieved 1 January 2013.
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