Young mother beat a cougar off her kid in Chilliwack (B.C.) many years ago - in the 70's I think it was. I was in Surrey at the time. The cougar was a young one, apparently, just kicked out of the family unit.
The child was in a play pen outside, in the back yard.
Kid was screaming - cat was screaming and the young mom mom whacked it several times with a corn broom very much vocal about it - the cat dropped the kid and fled. 1 - account.