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07/28/2021 07:03 AM
Pennsylvania State Senate

Thomas St. Clair

Photo credit:

(Lt.) Governor’s Photograph Album, 1878, RG-22, PSA



Session Position District Party
1865 22 Republican
1877 37 Republican
1879-1880 37 Republican
 Counties   Cambria, Indiana, Jefferson


1824 - 1893

The son of James and Jennie (Slemmons) St. Clair; Thomas was born in White Township, Indiana County, May 5, 1824; educated in common schools and Indiana Academy; studied medicine with Dr. John Jenks, 1843; Jefferson Medical College, 1845, graduated in 1847; entered private practice, 1849; the first surgeon west of the Alleghenies to successfully remove an ovarian tumor; member of Indiana Borough Council; president of the Indiana Agricultural Society; during the Civil War he served in the Surgeon General’s Volunteer Surgical Corps, Seven Days (Richmond) Campaign (1862) and Gettysburg (1863).  He retired from the service, returned to Indiana and was elected to the state Senate, filling a vacancy left by Senator and prisoner of war Major Harry White (13).  Dr. St. Clair married Charlotte D. Patton, Feb. 24, 1848 (deceased 1868); and married second, Sarah Walker, 1869.  He was reelected to the Senate in 1877 as a Reform Republican; campaigned for Democratic Governor Pattison in 1882; practiced medicine and retired, passing away on March 25, 1893, in Latrobe, Pa.; interred at Oakland Cemetery.

Samuel T. Wiley, Biographical and Historical Cyclopedia of Indiana and Armstrong Counties (Philadelphia: Gresham and Co., 1891); Indiana Messenger, March 29, 1893.