Buck O'Brien/infobox

	Buck O'Brien
	Thomas Joseph O'Brien
Bat/Throw:	R/R
Height:	5' 10"
Weight:	188
Born:	1882-5-9 at Brockton, MA (US)
Died:	1959-7-25 at Boston, MA (US)
Interred:	New Calvary Cemetery in Boston, MA (US)

Buck O'Brien
Thomas Joseph O'Brien
Bat/Throw:	R/R
Height:	5' 10"
Weight:	188
Born:	1882-5-9 at Brockton, MA (US)
Died:	1959-7-25 at Boston, MA (US)
Interred:	New Calvary Cemetery in Boston, MA (US)