1834 – Westland Row Station, Dublin Architect: William Dargan Westland Row Station opened on 17 December 1834 as the city terminus of the Dublin &
1843 – Mount Annville, Dublin Architect: John Skipton Mulvany / William Dargan Probably initially design by Dargan for himself with work also by John Skipton Mulvany.
1849 – Monard Railway Viaduct, Co. Cork Architect: William Dargan Seven-arch limestone built viaduct, opened 1849, carrying Cork-Dublin railroad over Blarney River. Rock-faced rusticated piers, walls,
1852 – Suir Railway Viaduct, Cahir, Co. Tipperary Architect: William Dargan Triple-span railway viaduct over River Suir, built 1852, on railway line between Limerick and Rosslare Harbour.
1853 – Great Industrial Exhibition, Dublin Architect: Sir John Benson The Great Industrial Exhibition in 1853 was the largest international event to be held in Ireland.
1854 – Railway Station, Dundrum, Co. Dublin Architect: William Dargan The original Dundrum station built by William Dargan in 1854 behind the modern Luas halt. This was the station closest to Dargan’s home at Mount Annville and he was a regular user.