He was re-elected in 1851, 1852 and 1853. He served as an 1852 presidential elector, endorsing Franklin Pierce and, in return for his support, Seymour was appointed to serve as minister to Russia and resigned the governorship shortly after being reelected to a fourth term.
He was re-elected in 1851, 1852, and 1853. He held the position of electoral representative in 1852, supporting Franklin Pierce, and as a result, Seymour was appointed minister to Russia and subsequently resigned from his governorship after being re-elected for a fourth term.