Via this tweet from John M. Crist (whose Twitter profile says he is NFL Analyst for Scout.com, a voter for the Heisman Trophy and a member of the Professional Football Writers of America), we learn that Bears coach Lovie Smith's mother has passed away:
↵↵The mother of Bears coach Lovie Smith has passed away in Texas at the tender age of 77. She suffered for years from diabetes. RIP Mae Smith.
John M. Crist
JC_NFL
↵↵
There's a bit more information in this article on KLTV's website, including a photo of Mae Smith.
↵↵Our condolences to Lovie Smith, his family, and the Bears family.