Truman Curtis was born Thursday, January 6, 1910 at home in Moroni, the son of Jacob Lehi Curtis and Jensena Simonsen. Truman was the eighth of twelve children. He and his sister, Lima, lived with their grandmother, Sena Simonsen, from early childhood until marriage. Truman attended Moroni High School and graduated on May 10, 1928. He was also an alumnus of the Moroni LDS Seminary, having graduated on May 6, 1928.

He met and married Lauretta Ruth Jensen from Fountain Green on January 7, 1928 in Manti. They were sealed for time and all eternity on June 18, 1969 in the Salt Lake LDS Temple by President Selvoy J. Boyer. They were the parents of five children: Royce, Jean, Brent, Don, and Paul.

From 1928 until 1930, Truman worked as an attendant for Bennett Gas & Oil Company. From 1930 until 1937, he worked as a salesman at S. H. Kress & Company. In 1937, Truman began a long and successful career with Salt Lake City. He worked at Salt Lake General Hospital from 1937 until 1946. Truman worked as an orderly and then became a male nurse. From 1946 until 1957, he worked for the Salt Lake City Health Department as an X-Ray technician and quarantine officer. While Truman was working, he broke his back by falling down a flight of stairs and never fully recovered. In 1957, he retired after twenty years of service to the people of Salt Lake City.

He loved candy, especially hard candy, and would always have a bowl of it by him when he was watching TV. Truman was a a fan of "The Lawrence Welk Show." An active member of The Church of Jesus Christ of Latter-day Saints, he held the priesthood office of Elder.

Truman was a resident of the Town of Moroni until he moved to Salt Lake County following his marriage. Throughout their marriage, Truman and Ruth resided at 412 East 200 South, 124 South 600 East, 291 East South Temple Street, 262 Kenmar Place, 138 East 800 South, and 336 Owen Place, all of which were located in the Downtown district of Salt Lake City; 373 East 2100 South in the Liberty Wells neighborhood of Salt Lake City; 248 West 400 North in the Marmalade District of the Capitol Hill neighborhood of Salt Lake City; and 557 North Tiffany Court (235 West) in the Capitol Hill neighborhood of Salt Lake City; as well as 461 South Blair Street (357 East) and 463 South Blair Street (357 East), both of which were located in the Downtown district of Salt Lake City. In 1967, they moved to 3581 South 700 East in Millcreek, where they resided for the rest of their lives.

Truman fell ill on Sunday, November 8, 1970 and was rushed to the old St. Mark's Hospital in Salt Lake City. He passed away at 7:25 p.m. from complications of liver failure, coronary sclerosis, and a gastric ulcer hemmorhage. He was only sixty years old.

Funeral services were held on Thursday, November 12, 1970 at 11:00 a.m. in the Winder Eleventh Ward Chapel of The Church of Jesus Christ of Latter-day Saints located at 951 East 3825 South in Millcreek. A viewing was held on Wednesday, November 11, 1970 at Memorial Estates Mortuary located at 5850 South 900 East in Murray from 6:00 until 8:00 p.m. and at the church one hour prior to the services.
Following the conclusion of the services, the funeral procession escorted Truman's remains to the Redwood Memorial Estates Cemetery in Bennion (now Taylorsville), where he was interred.

Summary of funeral services:
Funeral services were held under the direction of Bishop Vernon D. Smith.
The family prayer was offered by Lance Nielsen.
The prelude and postlude music was offered by Lila Fielden.
The invocation was offered by Rolfe Griffiths.
Musical numbers performed included: "O My Father" and "Sometime We'll Understand," both of which were performed by Kathie Anderson.
Speakers included: Bishop Ray J. Andersen, Robert Olsen, and Paul McOmie.
The benediction was offered by Robert Huish.
The grave was dedicated by James E. Curtis.
Pallbearers included: Dick Bayer, Pat Dicks, Kirk Allen, Wilbur Parkinson, Cliff Kimball, and Delmar Stone.