Donald L. Mahoney, 80, Juniper Road, Argos, died at 1:30 a.m. June 8, 2016, at Memorial Hospital, South Bend, following a brief illness.

Born on June 23, 1935, in St. Louis, Miss., to A. Waite Mahoney and Mildred Louise (Flood) Mahoney, he moved to Argos, in 1937 where he received FFA State Star Farmer in 1951, and graduated valedictorian from Argos High School in 1952. He studied botany, mathematics and German at Indiana University, where he was a secretary of Acacia Fraternity and received his A.B. in 1956. He continued his education at Purdue where he received his M.S. in genetics and statistics in 1958.

He worked as Scientific Intelligence Officer at the Central Intelligence Agency in McLean, Va. While there he attended national and international scientific meetings including presenting a paper at the International Congress of Genetics in The Hague, Netherlands.

Donald Mahoney and Nancy L. Watson were wed on Jan. 14, 1966 in Shiremanstown, Pa.

In 1965, he moved to West Lafayette, to work with the Midwest Program on Airborne Television Instruction, a six-state not-for-profit organization that designed, developed, produced and distributed educational materials nationwide. During that time he was a committee chairman in the White House Conference on Children and was a consultant to the national 4-H Board.

He moved to Indianapolis in 1973 where he served as a leader for Boy Scout Troop 73. He became a member of the 500 Earth Sciences Club of Indianapolis, serving two terms as president and more than 30 years as show chairman. He was elected to the MSD of Washington Township School Board and served as president. He trained in financial planning, earning the CLU and ChFC designations and became a self-employed financial planner as Mahoney Financial.

He has lived in the Argos community since 2003, and attends the Argos United Methodist Church where he sang in the choir and chaired or served on many committees. He was a certified United Methodist lay speaker and a member of the Argos Community School Board, Argos Planning Commission and Marshall County Economic Development Commission Board. In 2011, he received the award for Argos High School Alumnus of the Year. He was president and board member of Beach Island Resort Lessees Association in Cocoa Beach, Fla.

Don enjoyed traveling, and he and Nancy have been to all 50 states, the Caribbean, Europe, South America, Australia, and New Zealand. They have been on mission trips to Texas and Louisiana.

Don is survived by his wife: Nancy Mahoney, Argos; his daughters: Barb Mahoney, Indianapolis; and Beverly (Thomas) Mohler, Plano, Texas; his sons: Duncan Mahoney, Los Angeles, Calif.; and Alan (Amber) Mahoney, Berkhamsted, Hertfordshire, England; and grandchildren: Bailey Middaugh; Rachel Middaugh; and Emmalee Mohler. He is preceded in death by his parents; brothers: Thomas Mahoney; and James Mahoney; and grandson: Brennan Mohler.

Friends may visit with the family from 6-8 p.m. Friday, June 10, at Earl-Grossman Funeral Home, Argos.

A Celebration of Life will be held at 10 a.m. Saturday, June 11, at the Argos United Methodist Church, Argos, with Rev. Heather Foley of the Argos United Methodist Church.

Memorial contribution may be made to the building fund of the Argos United Methodist Church, Argos.