1920 census:
Name: Calvin W Suydam
Age: 58 years
Estimated birth year: 1861
Birthplace: Illinois
Father born in NJ
Race: White
Home in 1920: Dixon, Lee, Illinois
Others in the home: Wife Hattie (called Addie by the census taker), daughter Bessie, son-in-law James L. Simpson, and granddaughter Eloise Simpson.