Vincent O'Brien (composer)

Vincent O'Brien (1871–1948), Dublin church musician and singing teacher.

Vincent O'Brien (9 May 1871 – 21 June 1948), Irish organist, music teacher and composer. O'Brien was an important figure in early 20th-century Irish music. For some, he is mainly known as the first teacher of singers such as John McCormack, Margaret Burke-Sheridan and the writer James Joyce.