portarlington

• Portarlington, County Laois, on the border between County Laois and County Offaly, Ireland
• Portarlington railway station
• Portarlington (Parliament of Ireland constituency), a constituency until 1801 in Ireland
• Portarlington (UK Parliament constituency), 1801-1885
• Portarlington GAA, a Gaelic football club
• Portarlington RFC, a rugby union club
• Portarlington, Victoria, Australia
• Portarlington Football Club, an Australian rules football club

• Earl of Portarlington, a title in the Peerage of Ireland
• John Dawson, 2nd Earl of Portarlington (1781-1845), British Army officer
• Henry Dawson-Damer, 3rd Earl of Portarlington (1822-1889), Irish peer
• Lionel Dawson-Damer, 4th Earl of Portarlington (1832-1892), British politician
• Aidan Howlin, 5th Earl of Portarlington (1864-1920), British barrister

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