Charles May Oelrichs (August 27, 1858 – January 15, 1932)[1] was an American broker and clubman who was prominent in New York society during the Gilded Age.

His maternal grandparents were Julia Matilda (née Slacum) May and Frederick May, who was a member of the May family, prominent in Virginia and Maryland during the American Revolutionary War.

[1] The family spent summers in Newport, Rhode Island, at their residence on Kay Street, amidst the Astors, the Vanderbilts, and numerous other wealthy elites of American society during the Gilded Age.

Blanche was also the sister of Emilie de Loosey, who was married to Theodore Havemeyer, a co-founder of the Newport Country Club.

[16] Marjorie died six days after the 1937 birth of the couple's son, pianist and band leader Peter Oelrichs Duchin.