1739 in Ireland

Events from the year 1739 in Ireland.

Incumbent

 * Monarch: George II

Events

 * 27 April – the trial of Henry Barry, 4th Baron Barry of Santry, before the Irish House of Lords for the drunken murder of a tavern servant in Palmerstown the previous summer opens; he is convicted but later pardoned.
 * July–August – wet summer, affecting the harvest and the cutting of turf.
 * 26 September – "Address of the Roman Catholics of Ireland" to George II of Great Britain requesting longer leases.
 * 6 October – the title Earl of Bessborough is created in the Peerage of Ireland in favour of Brabazon Ponsonby, 2nd Viscount Duncannon, chief commissioner of revenue.
 * 27 December–February 1740 – the 'Great Frost': unusually harsh winter.

Births

 * 27 September – Robert Stewart, 1st Marquess of Londonderry, politician (d. 1821)
 * 31 October – James Gordon, merchant, soldier, and politician in America (d. 1810)

Full date unknown
 * Judge Fulton, judge, surveyor, politician, and founder of the village of Bass River, Nova Scotia (d. 1826)
 * Hugh Kelly, dramatist and poet (d. 1777)
 * Hugh O'Reilly, Roman Catholic Bishop of Clogher (d. 1801)

Deaths

 * Charles Jervas, painter, translator and art collector (b. c.1675)