Is there more info about the family.Father was Viktor Matson f. Kungsbacka, s. 12.8.1859 Merikarvia/Finland and Alexandra Svanström.
Kungsbacka in entry for Paul Wilhelm Mattson, "California, Death Index, 1940-1997"
name: Paul Wilhelm Mattson event: Death event date: 21 Aug 1952 event place: Mendocino, California, United States birth date: 26 Aug 1891 birthplace: Other Country gender: Male father: Kungsbacka mother: Swanstrom
Paul Wilhelm Mattson, "United States, World War II Draft Registration Cards, 1942"
name:Paul Wilhelm Mattson event:Draft Registration event date:1942 event place:Fort Bragg, Mendocino, California gender:Male birth date:26 Aug 1891 nara publication title:World War II Draft Cards (4th Registration) for the State of California nara publication number: arc identifier:603155 film number:1426409 digital folder number:004667423 image number:00258