Former Suffolk County executive Michael A. LoGrande of Cutchogue died Dec. 18, 2018. He was 80 years old.

LoGrande served as county executive for one year in 1987, being elevated to the post as chief deputy under County Executive Peter F. Cohalen, who resigned to become a State Supreme Court justice.

LoGrande, a Republican, succeeded Cohalen as Islip town supervisor and was named chief deputy county executive in December 1986. He lost the general election in November 1987 to Democrat Patrick Halpin.

LoGrande went on to become chairman of the Suffolk County Water Authority, a post he held for two decades before retiring in May 2010.

Born in Brooklyn on Jan. 1, 1938, LoGrande was raised in Queens. He had a bachelor’s degree in civil engineering from the Massachusetts Institute of Technology and was a Harvard University Loeb Fellow in Advanced Environmental Research. He earned a master’s degree in urban planning from Columbia University.

LoGrande joined the Suffolk County planning board in 1967 and later became Islip’s chief planning official. In 1979 he was elected Islip town supervisor.

The family will receive friends on Friday, Dec. 21 from 2 to 4 and 7 to 9 p.m. at DeFriest-Grattan Funeral Home in Mattituck.

The Liturgy of Christian Burial will be celebrated on Saturday, Dec. 22 at 10 a.m. at Our Lady of Good Counsel Roman Catholic Church in Mattituck, officiated by Monsignor Joseph Staudt.

Interment with U.S. Army honors will follow at Holy Sepulchre Roman Catholic Cemetery in Coram.

Memorial donations may be made to East End Hospice (Kanas Center), Post Office Box 1048, Westhampton Beach, New York 11978-7048. Envelopes will be available at the funeral home.