1812 – 1894 (February 8)
Dennis Gallagher was born in 1812 in Tuloughbegley, County Donegal, Ireland, the son of Joseph Gallagher and Bridget Fary. He immigrated to Scotland to seek work and was employed in a pottery factory in Delfware. After a time he left Glasgow for New York where he arrived on June 4, 1840, with an introductory letter for Mr. Dennis Kelly of Cobb’s Creek, Pennsylvania. He worked there in Mr. Kelly’s mills, then at Haverford College and on the railroad.