John Purser Griffiths (1848 - 1938):
John Griffith was born in Holyhead, Anglesley, North Wales and was educated at Trinity College, Dublin. After he had qualified as a Civil Engineer he worked as Assistant Surveyor for County Antrim. From 1898 to 1913 he was Chief Engineer for the Dublin Port and Docks Board and became Commissioner of Irish Lights. He was President of the Institute of Civil Engineers, a Free State Senator from 1922 to 1936 and was given the honorary freedom of Dublin.