William Alexander Carter was born to Lucinda Washington Alexander and John Wormeley Carter on April 15, 1818 in Prince William County, Virginia. Around 1857 to 1858 William A. Carter came with Johnston's Army as a sutler, or storekeeper, to Fort Bridger, Wyoming. Carter and his wife, Mary Eliza Hamilton, had six children: Ada, Anna, Lulie, Roberta, William A. and Edgar. He stayed at Fort Bridger with his family rebuilding and restocking the fort. One of the region's early businessmen, Carter was involved in mining, oil, logging, and cattle ranching, and he also operated a sawmill. He raised hay and grain on the land surrounding the Fort to fill contracts with the government. Carter was soon known as Mr. Fort Bridger, and became Wyoming's first millionaire. In addition to his business activities, Carter was justice of the peace and probate judge for Green River County. Carter died November 7, 1881.

John Sharp VI was born on November 9, 1820, in Clackmannanshire, Scotland, to John Sharp V and Mary Hunter. He was married on January 13, 1840, in Tillicoultry, Scotland to Jane Patterson. Together they had ten children. He converted to the Church of Jesus Christ of Latter-day Saints on October 30, 1847, and immigrated to Utah with his family in 1850 with the John Sharp Company. John married his second wife, Ann Wright Gibson, on April 30, 1854, in Salt Lake City, Utah. Together they had ten children. He married his third wife, Sophia Smith, in Salt Lake City, Utah on January 5, 1861. Together they had nine children. John represented the Church of Jesus Christ of Latter-day Saints in negotiations about the First Transcontinental Railroad and was present at the driving of the final spike at Promontory Summit on May 10, 1869. He went on to become an officer for the Utah Central Railroad and the Utah Southern Railroad. John was also the director for the Union Pacific Railroad, Zion’s Cooperative Mercantile Institution, Deseret Telegraph Company, and Deseret National Bank. He also filled the role of city councilor in Salt Lake City. He was prosecuted in 1885 for unlawful cohabitation under the Edmund's Act, for which he pled guilty. John died on December 23, 1891, in Salt Lake City, Utah.