John ""Jack"" Mulhall, 67, passed away on October 5th, 2016. Jack was born in Teaneck, N.J. on April 10th, 1949. He served valiantly as a Sergeant in the United States Marine Corps in Vietnam from 1967-1970. He will be remembered as a man who loved his family, his friends, the United States Marine Corp, his country and his work. He had a kind and generous heart and will be loved, remembered and missed greatly by so many. He is survived by his wife of 30 years, Connie; his daughters, Bonnie Groeger and Shannon Bird; his son-in-law, David Bird; his grandchildren, Elizabeth and James Bird; and by many other loving friends and co-workers. A greeting will be held on Sunday, October 16th from 6 p.m. - 8 p.m., at Horan & McConaty located at 9998 Grant St. in Thornton and funeral services will be held on Monday, 10:30 a.m. on October 17, 2016 at the Immaculate Heart of Mary Catholic Parish, 11385 Grant Dr., Northglenn, CO, with a burial service to follow at 12:30 p.m. at Fort Logan Cemetery. The family is asking that in lieu of flowers, donations be sent in Jack's memory to the Semper Fi Fund (https://semperfifund.org/). Please leave memories of John and condolences for his family by signing the guestbook below.