I am a little confused by the writing in this story, but it appears to say that six-man was played in Ohio back in 1910. I think the writer is confused, but see for yourself. May need get get Leman on this...
http://morrowcountysentinel.com/news/3879/looking-back-on-homecomings-of-years-past
http://morrowcountysentinel.com/news/3879/looking-back-on-homecomings-of-years-past