Events from the year 1755 in Ireland.
- 14 May – George Barrington, pickpocket, socialite, Australian pioneer and author (died 1804 in Australia)
- 7 June – Isidore Lynch, soldier (died 1841)
- 24 June – John Glendy, Presbyterian minister (died 1832 in the United States)
- 8 July – James Blackwood, 2nd Baron Dufferin and Claneboye, politician (died 1836)
- John Handcock, soldier and politician (died 1786)
- John Proby Osborne, lawyer and politician (died 1787)
- Owen Wynne, landowner and politician (died 1841)
- Approximate date
- ^ a b Moody, T. W.; et al., eds. (1989). A New History of Ireland. 8: A Chronology of Irish History. Oxford University Press. ISBN 978-0-19-821744-2.
- ^ Delaney, Ruth (2004). Ireland's Inland Waterways. Belfast: Appletree Press.