Possible antedating for "you all"

[Mark A Mandel]

On Mon, 9 Dec 2002, Laurence Horn wrote:

#Compare Tiny Tim's "God bless you, every one", signalling not "you
#(pl.) as opposed to (sg.)" but the fact that the set of blessees
#extends to every member of the set of addressees, with nobody left
#out.

I'm pretty sure that that's "God bless <us>, every one." Not that the
failure of this citation invalidates your point.

-- Mark A. Mandel