You have maybe found the persons already, but if not, here is one possible alternative. Social Security Death Index gives:
Given Name: Carl
Birth Date: 10 January 1881
Social Security Number: 540-05-5794
Last Place of Residence: Portland, Multnomah, Oregon
Previous Residence Postal Code: 97214
Event Date: August 1969
In Multnomah county Oregon, Census 1920, can be found
b. about 1882 Finland
immigration 1910 !
finnish, but swedish speaking !
Also in Multnomah county Oregon, Census 1940
b. about 1883 Finland