Ruth Kellogg was a 5,037 GRT tanker that was built in 1920 as the Design 1025 Hog Islander Calaumet by American International Shipbuilding, Hog Island, Philadelphia, Pennsylvania, United States for the United States Shipping Board (USSB).

The ship was built in 1920 by American International Shipbuilding, Hog Island, Philadelphia, Pennsylvania.

[2] Allocated the United States Official Number 220781,[3] She was operated by Charbonneau Rajola Corporation, New York,[5] until 1921 and then returned to the USSB, which had her converted to a tanker by the Curtis Bay Copper & Iron Works, Curtis Bay, Baltimore, Maryland.

[5] On 8 May 1931, Ruth Kellogg caught fire 250 nautical miles (460 km) south of Cape Hatteras, North Carolina, United States.

Ruth Kellogg was carrying fuel oil,[15] and was bound for Brest, France, where she arrived on 7 June.

[1] She apparently spent the war years in home waters, although there are several large gaps in the records of her movements.

[16] On 2 March 1942, she was involved in a minor collision with HMS Walney, which was holed above the waterline but remained operational.