Donald F. Farrell, Brewster, 89, died of natural causes on February 15 at EPOCH Nursing Home in Brewster. Born in Fall River, Massachusetts in 1926. His parents were Edna and Edward Farrell, and brother Edward Farrell, Jr. He is survived by his wife Mary of 65 Years; five children: Corine Barrett of Falmouth, Donald Jr. of Minneapolis, MN, David of Melbourne, FL, Steven of Carver and Matthew of Brewster; and many grandchildren. Donald is a Navy Veteran of World War II. He attended Bradford Durfee Technical Institute (now Umass Dartmouth), graduated 1952 and was a hydrologist for the USGS, for 30 years. He retired in 1980, hiked the entire Appalachian trail, Georgia to Maine in 1981 and spent as much time as he could on the water, fishing and lobstering. Relatives and friends are invited to a funeral Mass at 11 am at Our Lady of the Cape Church in Brewster on Friday, April 1, 2016; followed by a burial at Massachusetts National Cemetery in Bourne. For online condolences, please visit www.nickersonfunerals.com.