Lawrence Parsons, 4th Earl of Rosse

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Lawrence Parsons, 4th Earl of Rosse

Lawrence Parsons, 4th Earl of Rosse, KP, FRS (17 November 1840 – 29 August 1908) was a member of the Irish peerage and an amateur astronomer. His name is often given as Laurence Parsons.


He was born at Birr Castle, Parsonstown, King's County, Ireland, the son and successor of the astronomer William Parsons, 3rd Earl of Rosse who built the "Leviathan of Parsonstown" telescope, largest of its day, and his wife, the Countess Rosse (née Mary Field), an amateur astronomer and pioneering photographer. Lawrence succeeded his father in 1867 and was educated first at home by tutors, like John Purser, and after at Trinity College, Dublin and Oxford University. He was the brother of Charles Algernon Parsons, inventor of the steam turbine.

He served as the eighteenth Chancellor of Trinity College, Dublin between 1885 and 1908. His father served as the sixteenth Chancellor. He was Lord Lieutenant of King's County and Custos Rotulorum of King's County from 1892 to his death. He was also a Justice of the Peace for the county and was appointed High Sheriff of King's County for 1867–68. [1] He was knighted KP in 1890.

Although overshadowed by his father (when astronomers speak of "Lord Rosse", it is almost always the father that they refer to), he nonetheless pursued some astronomical observations of his own, particularly of the Moon.

He was elected a Fellow of the Royal Society in December 1867 and delivered the Bakerian lecture there in 1873. He was vice-president of the society in 1881 and 1887.[2] From 1896 he was President of the Royal Irish Academy. In May 1902 he was at Carnavon to receive the honorary degree LL.D. (Legum Doctor) from the University of Wales during the ceremony to install the Prince of Wales (later King George V) as Chancellor of that university.[3]

Marriage and children[edit]

He married Frances Cassandra Hawke, daughter of Edward Harvey-Hawke, 4th Baron Hawke and Frances Fetherstonhaugh, on 1 September 1870. They had three children:



  1. ^ "Kalgoorlie Miner (WA : 1895 - 1950) Tuesday 1 September 1908-Obituary, Lord Rosse". Trove. Retrieved 4 August 2013. 
  2. ^ "Library Archive". London: The Royal Society. Retrieved 4 August 2013. 
  3. ^ "The Royal visit to Wales". The Times (36759). London. 5 May 1902. p. 10. 

External links[edit]


Honorary titles
Preceded by
Francis Travers Dames-Longworth
Lord Lieutenant of King's County
Succeeded by
The Earl of Rosse
Political offices
Preceded by
Lord Farnham
representative peer for Ireland
Succeeded by
Lord Ashtown
Peerage of Ireland
Preceded by
William Parsons
Earl of Rosse
Succeeded by
William Edward Parsons