O'Sullivan, Mortimer, 1792 or 1793-1859 (Personal Name)

His Captain Rock detected, or, The origin and character of the recent disturbances ... of the South and West of Ireland ... 1824: t.p. (a Munster farmer)

Halkett & Laing (a Munster farmer, Rev. Mortimer O'Sullivan, M.A.)

NUC pre-56 (O'Sullivan, Mortimer, 1791?-1859)

Romanism as it rules in Ireland, 1840: t.p. (Rev. Mortimer O'Sullivan, D.D.)

Oxford DNB, 6 June 2013 (Mortimer O'Sullivan, Church of Ireland clergyman, younger brother of Samuel (1790-1851); born at Clonmel, co. Tipperary, 1792 or 1793; entered as a protestant scholar at Trinity College Dublin in 1813 (having first matriculated in 1811), BA in 1816, MA in 1832, and BD and DD in 1837; he became interested in the relations between the Catholic and protestant churches in Ireland and published numerous sermons, tracts, and contributions to the debate on Roman Catholicism and the state of Ireland; in 1849 he became a prebendary of Armagh and in 1853 was made rector of Tandragee, co. Armagh; died 30 April 1859 in Dublin)

College recollections, 1825

Wolfe, Charles, 1791-1823. The Burial of Sir John Moore, and other poems, 1909: p. xv (... volume entitled "College recollections" published anonymously in 1825, two years after Wolfe's death; the author was Rev. Mortimer O'Sullivan)