When James Sylvester was born on 4 December 1815, in Pitsmoor, Yorkshire, England, United Kingdom, his father, Joshua Sylvester, was 33 and his mother, Hannah Webb, was 29. He married Rebecca Nicholson on 27 February 1838, in Sheffield, Yorkshire, England, United Kingdom. They were the parents of at least 3 sons and 8 daughters. He immigrated to Utah, United States in 1852 and lived in Springville, Utah, Utah, United States in 1860 and Kane, Utah, United States for about 10 years. He died on 19 May 1888, in Pintura, Washington, Utah, United States, at the age of 72, and was buried in Pintura, Washington, Utah, United States.
English and German: from the Middle English and Latin personal name Silvester ‘dweller in the forest’ (a derivative of silva ‘wood’). The name was borne by three popes, including a contemporary of Constantine the Great, and seems to have been first used in England by clerics.