Kate Williams (1875-1946) was a Welsh strong woman who was at the peak of her powers in the Edwardian era. Inbetween winning medals, stopping runaway horses and lifting loads of really heavy stuff, she had six kids with her business partner, William Roberts (better known as Atlas - not the Atlas, of course or, indeed, Charles Atlas). They never married, and they spent their professional lives pretending to be brother and sister.
Kate has an interesting footnote in criminal history: she was the person who went to the Police and reported that Dr. Crippen's wife was missing. Oh, and best of all? Kate's stage name was --
I added the exclamation mark. Looks good, though, doesn't it?