Felix F. Olguin, 79 of Greeley, passed away on Sunday, August 18, 2013 at Fairacres Manor Nursing Home. He was born on December 21, 1933 in Ramey, Colorado to Cornelius and Cruz (Trujillo) Olguin. Mr. Olguin married Patricia M. Gallegos on April 30, 1960 in Trinidad, Colorado. They lived in Albuquerque, New Mexico from 1990 until moving to the Greeley/Evans area in 2008. Felix was self employed for most of his life, owning R.C.A. Income Tax and Accounting and at one time owned and operated Phil's Realty. He attended Immaculate Heart of Mary Catholic Church in Northglenn, Colorado for many years. Survivors include his 3 sons, Steve Olguin and wife Elizabeth, Don Olguin and Timothy Olguin; 2 brothers, James J. Olguin and wife Yolanda and Gilbert Olguin; 4 sisters, Beatrice Velasquez and husband Louis, Mary Jane Trujillo and husband Art, Dorothy Romero and husband Art, Rose Castillo and husband Mike and Eleanor Olguin; 6 grandchildren, Emily, Alec, and Elle Olguin, Laura Galvan, Nichole Alvarez and Amy Molocznik. He is preceded in death by his wife Patricia Olguin, a sister Barbara and his parents, Cornelius and Cruz Olguin. Visitation will be from 5:00 until 7:00 p.m. on Thursday, August 22nd followed by the Recitation of Rosary at 7:00 p.m. at the Moser Funeral Service Chapel, 3501 S. 11th Avenue in Evans. Mass of Christian Burial will be celebrated at 10:00 a.m. on Friday, August 23, 2013 at the Immaculate Heart of Mary Catholic Church, 11385 Grant Drive in Northglenn. Interment will follow at 1:15 p.m. on Friday at Ft. Logan National Cemetery (Staging Area "C"). A reception immediately following, 2215 W 30th Avenue in Denver .