Allen R. DeLong, 93, who retired in 1974 as a lawyer in the Commerce Department’s Office of General Counsel and retired from the Army Reserve in 1979 at the rank of colonel, died Sept. 3 of kidney failure at the Knollwood military retirement community in Washington.

The death was confirmed by a daughter, Diane Fitzpatrick.

Col. DeLong, who practiced labor law for 27 years, joined the Commerce Department in 1969. He previously was a trial lawyer for the National Labor Relations Board for 12 years. He briefly left the board in 1959 for about two years to serve as a special assistant on labor matters to former Commerce secretaries Lewis Strauss and Frederick Mueller.

Allen Rhodes DeLong was a native Washingtonian and a 1937 graduate of Woodrow Wilson High School. He was a 1941 graduate of Washington and Lee University and a 1947 graduate of George Washington University law school.

He served in the Army in Europe during World War II. and in 1944 participated in the Battle of Metz in France. His decorations included the Bronze Star Medal.

He lived in Arlington’s Crystal City neighborhood before moving to Knollwood in 1992.

He was a former president of the Circus Saints & Sinners Club, a charitable organization, and a member of Diplomatic and Consular Officers Retired, a foreign affairs professional organization.

His first marriage, to Jane Voelcker, ended in divorce. His second wife, Blanche Lavery DeLong, died in 2012 after 42 years of marriage.

Survivors include two daughters from his first marriage, Diane Fitzpatrick of Atlanta and Gretchen DeLong of Warrenton; three grandchildren; and one great-granddaughter.

— Megan McDonough