WYCKOFF, Ambrose Barkley

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WYCKOFF, Ambrose Barkley (1848-1922), U.S. Navy Lieutenant born in Delhi, Illinois who was appointed to the U.S. Naval Academy in Rhode Island when he was 16. After his graduation and appointments on the warships Hartford, Nipsic, Wyoming, Washussets and Potomac, Wyckoff was commissioned Lieutenant on October 13, 1873. On July 7, 1876 he was ordered to the U.S.S. Hassler for Coast Survey work on the Pacific. He is credited with discovering the reef off San Miguel Island, which bears his name. Wyckoff and his first wife, Susan Selah Henderson, had three daughters:

  • Mary Estelle (1869-1940)
  • Sarah Selah (1871-1949)
  • Carrie (b. 1873)

With his second wife, Grace Traphagen Wyckoff (1879-1950), he had two additional children:

  • Alice Barkley (1909-1988)
  • Ambrose Barkley Jr. (1917-1974)

Wyckoff died on Memorial Day in 1922 at age 75. He is buried in Bellevue Cemetery, Ontario, San Bernardino County. His second wife and daughter Alice are buried next to him.


Wyckoff Ledge, San Miguel Island is a sunken rock and an underwater hazard located on the south side of the island almost a half mile offshore to the west of Crook Point by about mile and a half. It rises to within less than ten feet of the surface, depending upon the tide. It was named for Ambrose Barkley Wyckoff during his service aboard the U.S.S. Hassler in 1876 when she was surveying the coast from San Diego to Puget Sound.