William Dargan, an engineer, often seen as the father of Irish railways came from County Carlow, Ireland. Born in 1799, he constructed Ireland's first railway from Dublin to Dún Laoghaire (then "Kingstown") in 1833. He constructed over 800 miles of railway to important urban centres of Ireland. He was a member of the Royal Dublin Society and also helped establish National Gallery of Ireland. Wikipedia
The definitive Wikipedia entry for William Dargan. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/William_Dargan