Yes, I know someone who is in her 70s whose mother is 103 years old and still alive.

My aunt had a friend who lived with her 72 year old daughter. The mother was 90.

Yes - although it's not too common.

Yes. Some mothers live well past 100.

Sure. Lots of people do.

Yes - a mother in her 90s.

Yes

Yes

Yes

I know someone I think is an octogenarian and his mother had 3 digits

yes