Luther C. Pilsbury (c.1817-c.1850) was born and died in unknown locations. He was deputy warden of the New Hampshire State Prison in Concord, New Hampshire, and later in Wethersfield, Connecticut, where his father, Moses, and older brother, Amos, were consecutive wardens. At the time of his death, he was warden of the Albany State Prison in New York, which had been established and managed by his brother, Amos. In 1842, he married Martha S. Baker, Mary Baker Eddy's second oldest sister. (Note: Death notices and voter registration rolls spell the family name as Pillsbury, but the alternate spelling, Pilsbury, appears in other documentation and is the name used in correspondence.)

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