A Modern History of New London County, Connecticut, provides an interesting biographical sketch of his life, written in 1922:6
LUTHER CLINTON TEFFT - The first position Luther C. Tefft ever held in a mill was with the Palmer Brothers Quilt Mills, and since that time he has filled many positions, now being assistant superintendent of the Bank Paper Mills in Montville, Connecticut. He is a son of Elmer Tefft, a farmer of the town of Griswold, New London county, Connecticut, but later moved to a farm in Oakdale, Connecticut, where he is now living, aged fifty-four years. He married Jessie McClure, born in Griswold, Connecticut.
Luther Clinton Tefft was born at the home farm in the town of Griswold, Connecticut, August 28, 1891. He attended public schools until fifteen years of age, then secured employment with the Palmer Brothers Quilt Mills in Montville, his parents having previously moved there. He remained three years with Palmer Brothers, going thence to what is now the Keyes Products Company Mill, where he remained until 1915. In that year he came to his present position, assistant superintendent of the Bank Paper Mills in Montville. Mr. Tefft is a member of Oxoboxo Blue Lodge, Free and Accepted Masons, in Montville, Connecticut, and in politics is extremely independent.
Mr. Tefft married Mabel La Flame, born in Yantic, Connecticut, February 11, 1892, daughter of James and Grace (Windsor) La Flame. Mr. and Mrs. Tefft are the parents of four children: Dorothy T., born February 7, 1912; Ruth, born January 26, 1914; Elsie, born February 16, 1917; Luther, born May 5, 1920. Mr. and Mrs. Tefft are members of the Episcopal church of Norwich, Connecticut.
From his obituary: Luther was a farmer all his life, operating a farm in Oakdale after having moved there from East Hartford around 1939. He was a member of the Montville Center Congregational Church. Luther died from accidental drowning while swimming at the Oxoboxo Lake Dam in Montville.4