William Henry Helme Moore (February 13, 1824 – January 4, 1910) was an American lawyer and insurance executive who served as president of the Atlantic Mutual Insurance Company.
After Union, he moved to New York City where he entered the law firm of Cutting & Moore (the firm of his elder brother, Charles B. Moore and Francis B.
[8][9] Together, they lived on West 72nd Street in New York and maintained a country home "at the ancestral seat of the family in Greenport, Long Island," and were the parents of:[10] He was a member of the Union League Club, and was a senior elder of the Brick Presbyterian Church in New York.
[2] Moore died on January 4, 1910, at his residence in New York City.
At his death, he was "the last of six brothers and sisters whose average age exceeded eighty years.