Henry Dawson-Damer, 3rd Earl of Portarlington
Henry John Reuben Dawson-Damer, 3rd Earl of Portarlington KP (5 September 1822 – 1 March 1889) was an Irish peer. He became Earl of Portarlington in 1845 on the death of his uncle John Dawson, 2nd Earl of Portarlington and was appointed a Knight of the Order of St Patrick on 8 February 1879.
- Rayment, Leigh. "Knights of the Order of St Patrick". Retrieved 2008-12-13.
|Peerage of Ireland|
|Earl of Portarlington