From Family Search.org: Isaac and Mary Fielding Duffin: Isaac Duffin and Mary Fielding were both born in Crompton, Lancashire, England, and were engaged to be married before they left England for America. Isaac was born on DEcember 31, 1826, to James Duffin and Margaret Gledhill, the 5th of ten children. He was chirstened in the Church of England on February 25, 1827. Mary was born October 10, 1827, to James H. Fielding and Ann Henthorn, the 4th of twelve children. Both show up on the 1842 census with their famlies, though not Isaac's father, since his father died in 1837 when Isaac was 9 years old.

Isaac first heard the gospel in 1840 in England, and his mother was baptized in 1852. On April 8, 1843, at the age of 16, Isaac was baptized by Levi Riggs into the Church of Jesus Christ of Latter-day Saints. mary's father, James, was a coal miner, farmer and adobe maker. Mary was baptized into the LDS church on August 1, 1844, one of the first in her family to do so, though both of her parents were baptized later, James in October and Ann the next year. Somewhere along the way, Isaac met Mary, a small woman of 90 pounds, and they were engaged.

In the spring of 1848, Isaac sailed to America, landing in Philadelphia. he then sent for Mary and his younger brother Hezekiah, who arrived on May 30, 1849, on the ship Saranak. He and Mary were married a few days later on the 8th of June, 1849. In the beginning of 1850, Isaac and Hezekiah went by way of the Mississippi River to St. Louis, while Mary went by way of New Orlenas to St. Louis. When they were together again, she presented him with their first-born daughter, Maria. They continued on to Salt Lake City. On the June 1850 US Census, taken in Salt Lake, Utah Territory, it shows that Isaac & Mary had a 2 year old child named James, born in Iowa, and a 1 year old daughter named Maria.

Isaac became a house builder, road engineer, and businessman. President Brigham Young sent Isaac to southern Utah to help build the Black Ridge road. Isaac and his family settled in Toquerville, and he became very successful in the mercantile business. He also raised cavalry horses, mined and had a freight business. He was known to be very generous, loved children, was alert of mind, quick to action, and always busy.

He and Mary had 9 more children together from about 1852 to 1870, two more girls, Mary & Annie, and 8 boys, Isaac, Brigham Fielding, born March 30, 1858, James, Joseph, William, Richard and Hezekiah.

Isaac's mother, Margaret or Peggy, left Liverpool on the ship Ellen Maria and arrived in New Orleans on April 5, 1852, with children Mary A., Maria, Jacob and Sophia. On June 1, 1852, she and her children set out with the Abraham O. Smoot Company from Kansas City but Margaret & Maria died only 2 days into the trip. The rest of the company, including Isaac's 3 siblings, arrived on the 3rd of September in the Salt Lake Valley.

In 1853, Isaac was a member of the Utah Territory Militia, enlisting on the 23rd July under J.A. Hunter's company. This was during the Walker War. He went with nine others on a cattle dirve. On the 10th of August, they were raided by Indians. Isaac was shot in the knee and the bullet lodged in the fleshy part of his leg. It stayed there the rest of his life and gave him great pain. He was discharged on the 25th of August 1853.

Back in England, Mary's parents James & Ann and her siblings Joshua, Sarah, Martha, Alice, Hannah and Betty boarded the ship Marshfield in Liverpool on the 8th of April, 1854. Betty was with her husband Edward Butterworth and their 2 year old son. They docked in New Orleans on May 29, 1854, and traveled to Nauvoo. Sarah was married to William Empey. They joined the Wililam Empey Company, leaving Westport, Missouri, on the 15th of July, 1854, Sarah and Betty both died on the journey. Martha & William Empey eventually married. The rest of the group arrived in Salt Lake on the 24th of October, 1854, settling at 3 S 3 W. In 1850, Mary's mother Ann died and her father, James, remarried in 1861. He died in 1878.

Mary was known to have taught her children the gospel and she particularly taught her daughters to be good homemakers. Mary supported her husband, did spinning and seaving with wool and cotton, grew a garden, dried fruit, made her own soap, served her neighbors, and showed her graitude to the Heavenly Father for all she had. Isaac was a 3rd Leuitenant of the Uta Territory Militia under J.D. L. Pearce during the Blackhawk War. He enlisted on June 9, 1866, and discharged on June 29th.

On February 26, 1883, at the age of 57, Isaac died in Toquerville. Twenty-two years later on September 18, 1905, at the age of 77, Mary died in Toquerville mainly from asthma but also cancer.