Keith was born on July 28, 1957, in Portland, Ore., the fourth of five children of Arnold and Barbara Wellman. He died on June 20, 2014.
Moving to Illinois as a baby, he grew up in the town of Danville and graduated as a mechanical engineer from the University of Illinois.
Later, he obtained a teaching certificate from Seattle Pacific University in Seattle.
His engineering jobs included five years in Alaska with the Army Corps of Engineers and several years with Neir and Associates in Bellevue.
He also taught at the Indian School in Seattle and taught math and English to naval personnel on ships at sea. Most recently, Keith was a substitute teacher in the South Whidbey School District.
Surviving are his parents Arnold and Barbara; sister Marcia Regnier (David) of Lake Forest Park; brother Lynn Wellman (Monica) of Edmonds; sister Janet Wellman of Whidbey Island; sister Lisa Rodriguez (Cipriano) of Sugar Land, Texas; and aunt Jean Lusk of Portland, Ore.
Also surviving are numerous cousins, nieces, nephews, grandnieces and grandnephews.
A memorial service will be held Tuesday, Aug. 5, at 11 a.m. at Langley United Methodist Church. In lieu of flowers, donations may be made to Habitat for Humanity or Langley United Methodist Endowment Fund.