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Joseph Patrick Tierney (c1883-1919)
1919 Obituary 
JOSEPH PATRICK TIERNEY died on 5th March, 1919, at the age of 38.
He joined the electrical staff of the Dublin United Tramways Company in the year 1899 shortly after the electrification of the Dublin tramway system, and remained for 13 years in the service of the Company. During this period he invented and developed the type of electric point-shifter which is still used extensively in the Dublin district.
On leaving the Tramway Company he became a consulting engineer and acquired a considerable practice throughout Ireland, holding the position of consulting engineer to several urban district councils.
He was for some time engineer to the Dublin and Blessington Steam Tramway and was responsible for the introduction of petrol-electric cars on this line, having designed special cars for combined trolley and self-propelled operation.
He lectured on electrical engineering at the City of Dublin Technical Schools from the year 1902 up to the time of his death.
He was elected a Student of the Institution in 1901 and became a Member in 1913. He served on the Dublin Committee for a number of years and occupied the position of Chairman of the Irish Centre at the time of his death. He read several papers before the Dublin Local Section, and his Address as Chairman in October 1918 has been published in the Journal.