Jack O'Brien (jazz pianist)

Jack O'Brien
Birth nameJohn Roger O'Brien
Also known as16 October 1903
Born(1903-10-16)October 16, 1903
Lehighton, Pennsylvania
DiedOctober 12, 1982(1982-10-12) (aged 78)
Allentown, Pennsylvania
Occupation(s)Jazz pianist, songwriter
Years active1926–1956

Jack "Bones" O'Brien (né John Roger O'Brien; 16 October 1903 – 12 October 1982) was an American jazz pianist and songwriter from Allentown, Pennsylvania. Notably, O'Brien was pianist, composer, and arranger with the Ted Weems orchestra from 1925 through 1941.