Thomas Valentine Cooper (January 16, 1835 - December 19, 1909), also known as Thomas V.
Cooper, was an American politician from Pennsylvania who served as a Republican member of the Pennsylvania House of Representatives for Delaware County for the 1870 and 1872 terms.
Cooper served as a member of the Pennsylvania State Senate for district 5 from 1873 to 1874 and for district 9 from 1875 to 1889.
He was reelected to the Pennsylvania House of Representatives in 1901 and served until his death in 1909.Cooper served as a private and an officer in the Union Army during the Civil War, was a newspaper editor of the Delaware County American newspaper for 54 years and an author of books on political and civil war history.