Of Shorewood, passed away at his residence, Saturday, June 26, 2021 following a 4 year battle with cancer. Age 73 years. Survived by his loving wife of 51 years Marion L. Somers (nee Dierkes), their children Jeffrey (Kara) Somers and Jennifer (Dave) Crago. Six grandchildren and three step-grandchildren. His sister Barbara Dudley. Preceded in death by his parents Dale and Mary Somers (nee Shakespeare) and his sister Marilyn Miller Allan served in the U.S. Army during the Vietnam War. He received his bachelor and law degrees from Drake University in DesMoines, Iowa. Following graduation, he was engaged in the private practice of law in Newton, Iowa and then went into the trust banking business administering estates, trusts and investment accounts. Allan retired from BMO Harris Bank in Chicago as Vice President and Senior Trust Administrator. Allan is a past-president of the Estate Planning Council of Greater Joliet. Member of First Presbyterian Church having served as both Deacon and Elder. He enjoyed community service with the Joliet Noon Lions Club as past-president and Melvin Jones Fellow, the Rialto Square Theatre volunteers and the Northern Illinois Food Bank. He was a terrible golfer but thoroughly enjoyed his rounds with Marion at the Morris Country Club. Despite their lack of golf proficiency, both Allan and Marion scored holes-in-one. Following his retirement, Allan and Marion enjoyed traveling to over twenty countries in addition to Alaska, Hawaii and Puerto Rico. Memorial services will be held at the Carlson-Holmquist-Sayles Funeral Home & Crematory, 2320 Black Rd.,Tuesday, July 6 2021 at 11:00 A.M. Visitation will be held Tuesday from 9:00 A.M. until time of services. Private family inurnment will be held at Abraham Lincoln National Cemetery with full military honors. In lieu of flowers memorials to Joliet Noon Lions Club, First Presbyterian Church or Lightways Hospice will be appreciated.