Andrew's Professor of Astronomy, Trinity College, Dublin.
Royal Astronomer of Ireland.
The discoverer of Quaternions, on Monday 16th October 1843.
Son of Archibald Hamilton and Sarah Hutton Hamilton, of 38, Dominick Street, Dublin.
He married Helen Maria Bayly in 1833.
She survived him.
For further information, see his entry in Wikipedia,
William Rowan Hamilton
The well known Victorian housing reformer
Sir Charles Alexander Cameron is buried in the immediately adjoining grave.
the mortal remains
SIR WILLIAM ROWAN HAMILTON
Royal Astronomer of Ireland
he was born Aug. 4, 1805
he died Sept. 2, 1865
in the love of God waiting for the mercy of
our Lord Jesus Christ unto eternal life
also of his sister
ARCHIANNA P.H. HAMILTON
also of his daughter
HELEN E.A. HAMILTON
wife of the venerable John O'Regan
born August 11, 1840
died June 21, 1870
and of her husband
the venerable JOHN O'REGAN
archdeacon of Kildare
born Christmas Day, 1817
died Good Friday April 8, 1898
[unclear word] Animae
Love is the following of the Law
erected by his surviving family