George Coppinger Ashlin was an Irish architect, particularly noted for his work on churches and cathedrals, and who became President of the Royal Institute of the Architects of Ireland.
Biography from Wikipedia, licensed CC BY-SA 4.0.

Architect
1837–1921
Portrait: No image credit · Public domain · Wikimedia Commons
George Coppinger Ashlin was an Irish architect, particularly noted for his work on churches and cathedrals, and who became President of the Royal Institute of the Architects of Ireland.
Biography from Wikipedia, licensed CC BY-SA 4.0.