The 1940 Census is the latest census available to the public. If you are looking for descendants in the Sacramento area today, I would suggest trying Facebook and also look at http://www.whitepages.com/ because I see some strong possibilities there for you to contact. Good luck!
Want to help your kids get into their family history? Check out this new novel that is sure to do just that. Going over Home is a historical fantasy with a genealogy theme set in present and pioneer Indiana. Read the synopsis and review by The In-Depth Genealogist Magazine here: http://www.theindepthgenealogist.com/?page_id=3341