1791 in Ireland

Events from the year 1791 in Ireland.

Incumbent

 * Monarch: George III

Events

 * September – Wolfe Tone publishes Argument on Behalf of the Catholics of Ireland.
 * 14 October – the Northern Whig Club, a group of nine Belfast Presbyterians, meets with Wolfe Tone and Thomas Russell and forms the Society of United Irishmen to press for liberal non-denominational parliamentary reform.
 * 7 November – The Custom House in Dublin opens for business, having been completed under the supervision of James Gandon.
 * The Grand Canal opens to a junction with the Barrow at Athy.
 * The first bridge across the River Foyle at Derry, built by the American Lemuel Cox in wood, is opened to vehicular traffic.

Births

 * 6 March – John MacHale, Roman Catholic Archbishop of Tuam, Irish Nationalist and writer (died 1881).
 * 17 August – Richard Lalor Sheil, politician, writer and orator (died 1851).
 * 14 December – Charles Wolfe, poet (died 1823).
 * Full date unknown
 * James Graham, soldier, commended for his gallantry during the Battle of Waterloo (died 1845).

Deaths

 * 2 December – Henry Flood, statesman (born 1732).
 * Full date unknown
 * George Bryan, businessman, statesman and politician in Pennsylvania (born 1731).
 * Robert Carver, artist (b. c1730).