Hermann Oelrichs (June 8, 1850 – September 1, 1906)[1] was an American businessman, multimillionaire, and agent of Norddeutsche Lloyd shipping.

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] In the 1890s, the Oelrich's purchased Rose Cliff on Bellevue Avenue in Newport, Rhode Island, from the estate of George Bancroft and his wife commissioned architect Stanford White to build them a new residence.

[8] The resulting Rosecliff was modeled after the Grand Trianon at Versailles, and was completed in 1902 with a final cost of $2.5 million.

[8] Together, they were the parents of one child: Oelrichs died on September 1, 1906, aboard SS Kaiser Wilhelm der Grosse while sailing across the Atlantic Ocean.