E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Every Man Jack of Them.
Everyone. The older form of everyone was everichon, often divided into every chone, corrupted first into every-john, then into every Jack, then perverted into every man Jack of em.
1
I shall them soon vanquish every chone.
Shepherds Kalender.
To have hadde theym . slayne everye chone.More: On the Passion Weeks.