Myrna Jneane (Langdon) Moon was born on April 1, 1951 to Belle Adeline (Loutzenhiser) Langdon and Leslie Brian Langdon in Scottsbluff, Nebraska. They moved to Fleming, Colorado when she was about 2 years old, and she attended school there.

In 1970, Myrna married Wilbur Eugene Moon and they relocated to Goodland, Kansas, Fleming, Colorado, Sterling, Colorado, and later, Fort Morgan. They had 3 children, Carlene (Moon) Brown, Wilbur Eugene Moon Jr., and Michael Moon. Myrna attended Morgan Community College. She worked at the Coffee Bakery Shop, in daycare, and cleaned houses, but retired due to her health.

She is survived by her husband, Wilbur Eugene Moon; her daughter, Carlene (Moon) Brown and husband, Jeff Brown of Greeley; his son, Michael Moon and wife Brook; two sisters, Valda Moon, Viona Bivens and husband, Steve; grandchildren, Austin Brown, Keeley Brown, Whitney and husband, Lainy Brown, Dallas Brown, Victoria Moon, Lebrea Moon, Arorha Moon, Delyla Moon, Malackai Moon, Gage Moon, Kaleia Moon, Koah Moon, Mila Moon and 13 great grandchildren.

She was preceded in death, her baby, Wilbur Eugene Moon Jr., mother, Belle Langdon, father, Leslie Langdon, mother-in-law, Betty Moon, father-in-law, Richard W. Moon, and her brother-in-law, Richard C. Moon.