James O'Brien (1806-1882) was a nineteenth-century Irish barrister, politician and judge.
He entered Gray's Inn in 1831 and was called to the Irish Bar in 1831, becoming Queen's Counsel in 1841.
[1] He entered politics as a Whig and was elected to the House of Commons as member for Limerick City in 1854; he was re-elected in 1857.
In 1858 he was appointed a judge of the Court of Queen's Bench (Ireland) and held that office until his death.
[2] He died at his townhouse at St Stephen's Green; he also had a house in Dalkey.