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Samuel Geoghegan (1845-1928) of Guinness and Co
1875 Appointed Chief Mechanical Engineer to Messrs. Arthur Guinness and Co.,
A member of the Institution of Mechanical Engineers, the Midland Institution of Mining, Civil and Mechanical Engineers, the Institution of Civil Engineers of Ireland, and a member of the Council of the Royal Dublin Society. Director of Marconi's Wireless Telegraph Co., Ltd.
See also Samuel Geoghegan: Locomotives
1928 Obituary 
SAMUEL GEOGHEGAN was born in Dublin in 1845.
He served a three years' apprenticeship with Messrs. Walter May and Company, engineers, of Birmingham, and was afterwards a draughtsman with Messrs. P. and W. MacLelland, and Messrs. Howden and Company of Glasgow, and a fitter with Messrs. Fawcett Preston and Company of Liverpool.
In 1869 he went to Smyrna as a mechanic and draughtsman with the Ottoman Railway, and two years later he returned to England as a fitter in the Doncaster locomotive works of the Great Northern Railway.
In 1871 he went to India and was engaged on the construction of a bridge two miles long over the river Chenab in the Punjab, first as assistant engineer and then as executive engineer in charge of half the bridge. Subsequently he was for a year a district locomotive superintendent on the railway near Delhi.
In 1874 he was appointed chief engineer to Messrs. Arthur Guinness and Son of Dublin, and he retained this position until 1901, when he became consulting engineer to the Company.
In 1904 he retired, and his death occurred on 4th September 1928.
He became a Member of the Institution in 1880.