James and Margaret Hume-Cookson (often mistranscribed as James H Cookson or James C Hume etc.) lived Multnomah County, Portland, Oregon.
James Cookson Hume-Cookson:
1874: Born Cuddington, Cheshire, England.
1901: (27) Umbrella Manufacturer, Own Account, 11 Eldon Terrace, Leeds, England.
1907: (34) Salesman, arrived 17th June New York from Liverpool.
1912: (38) Arrived 18th/19th February New York from Liverpool.
1917: (43) Jackson County. Marries Margaret (Preston??) born Glasgow, Scotland c1890, emigrated to US c.1900/03.
1920: (46) Wife Margaret Hume-Cookson is at 857 Gatenheim St., Multnomah, Portland.
1923: (49) 220 East 52nd St., Portland, Oregon.
1930: (56) 220, 52nd Street, Multnomah, Portland.
1940: A Cookson, Jas H (Margt.) is listed at 1206 ?? St.Oregon.
1943: (69) Probable death 14th February, Portland, Oregon

NB Possible confusion with James C Hume 1872 father born Scotland , wife Margaretta 1880 father born Ireland and daughter Joanna C Hume born Minnesota 1925 living Douglas County, Portland.