one-two-three (1862)

“There were no less than five of the innings in which the Eagle batters went out in the one-, two, three order, a thing almost unheard of before.” “Base Ball: Eckfords vs. Eagle,” Brooklyn Times, July 30, 1862, p2

Previous earliest use (Dickson Baseball Dictionary, 3rd edition, 2009):
1862.  (New York Sunday Mercury, Aug. 13; Edward J. Nichols).