He was not a candidate for renomination in 1830, but, instead, resumed the management of his quarry properties. He was then appointed as an associate judge of the courts of Delaware County on February 25, 1843.[9] Reappointed to that position on February 16, 1848, he served until December 1, 1851, when the office became elective.[10]
Death and interment
Leiper died at his home, “Lapidea,” on Crum Creek in Delaware County, Pennsylvania on November 18, 1868, and was interred in the Ridley Presbyterian Church Cemetery in Ridley Township, Pennsylvania.[11][12]
^"Leiper, George Gray" (L000234), in Biographical Directory of the United States Congress. Washington, D.C.: Offices of the Historians of the U.S. House of Representatives and U.S. Senate, retrieved online February 25, 2023.
^"Leiper, George Gray." Ann Arbor, Michigan: The Political Graveyard, May 10, 1922.