| NAME AUTHORITIES: LOC: O'Brien, William Smith, 1803-1864 NRA: O'Brien, William Smith (1803-1864) Irish Nationalist DNB: O'Brien, William Smith (1803–1864), Irish nationalist LBT ID: WiOBrie1864 VIAF ID: 42747669 LOC ID: n81013236 | B/BAP:   1803-10-17 DIED: 1864-06-18 | 
| SOURCES: DNB; Virtual International Authority File; LOC Name Authority File | |
| Educated at Harrow and Trinity College, Cambridge, he was a Conservative MP for Ennis
                        (1828-31) and Limerick County (1835-48); he was transported for his role in the Young
                        Irelander Rebellion of 1848. | |
|  REFERENCES TO William Smith O'Brien:  | |