Martin URNES - WI - MT - MO - life and family?

Dear Listers! The Norway-Heritage site has shown some great results in the past, so now I am ready to try another «challenge»: Amund Martin URNES was born in Buffalo Co., WI Feb. 20, 1883 as son of Ole Jorgenson URNESS (1846-1888) and Guro «Julia» Johnson (1852-1907). Several descendants of this family are quite interested in family history, buut NOONE ever managed to figure out what really happened to «uncle» Martin! What we know: * was in 1910 still farming the home farm in Buffalo Co., WI: https://www.familysearch.org/ark:/61903/3:1:33SQ-GYBM-S7QC * was in 1912 residing at Chester, MT * was in 1918 a fireman at a copper mining company at Great Falls, MT * not found in Montana 1920, but one Martin Urness aged 21(!) was 1920 in Kansas City, MO!: https://www.familysearch.org/ark:/61903/3:1:33S7-9RFS-9PS * was in 1940 residing «divorced» in Kansas City, MO: https://www.familysearch.org/ark:/61903/3:1:3QS7-89MB-YNK7 * shows up just about every year in Kansas City, MO city directories between 1920 and 1941, nut never with a wife! * in 1914 he homesteaded in Liberty Co., MT S13, T34, R4 – with wife Bertha he sold this land in 1948, but was then also a resident of Kansas City, Mo.: https://search.ancestry.com/cgi-bin/sse.dll?indiv=1&dbid=1246&h=8554705&tid=&pid=&queryId=729774a5095659e36cd3fcc40048862b&usePUB=true&_phsrc=Nzx26079&_phstart=successSource * He worked for many years at a power utility company in Kansas City, MO where he died Dec. 21, 1973 - his will shows no wife and no children We BELIEVE Martin was married twice, and divorced twice, but further detais are completely unknown! I would be very happy if anyone can manage to locate further information about «uncle»Marftin, and thank you very much in advance for any suggestions! Very sincerely yours,