Maudie was a 4,661 GRT tanker that was built in 1920 by Lithgows, Port Glasgow, Scotland.

Laid down as War Peshwa for the British Shipping Controller, she was completed as Maudie for a Norwegian company.

[5] Laid down as War Peshwa for the British Shipping Controller,[6] she was launched as Maudie on 30 July 1920.

[2] Maudie was a whale oil refinery ship,[1] she was owned by A/S Hvalen, Tønsberg, Norway and operated under the management of N Bugge.

[7] On 9 January 1937,[5] Maudie was sold to Rederi AB Atlanta-Laivanvarustaja OY Atlanta, Helsinki.

[3] Converted to a dry cargo ship,[7] she was operated under the management of Birger Krogius, Helsinki until 1938.

[3][8] On 5 February, she arrived at Turku for conversion to a cargo ship by Ab Crichton-Vulcan Oy.

[8] Her draught was assessed as 23 feet 9 inches (7.24 m)[3] On 2 September 1944,[5] Mercator was loading coal at Danzig when Germany broke off relations with Finland.

[3] In 1951, Mercator was sold to Suomen Höyrylaiva OY — Finska Ångfartygs AB (Finsk Line), Helsinki.

[3] Ruth Nurminen served until 1959, arriving on 4 April at Yokohama, Japan for scrapping.