James Langrishe (c. 1765 – 17 May 1847) was Dean of Achonry from 1791 until 1806 when he became Archdeacon of Glendalough.
He was the second son of Sir Hercules Langrishe, 1st Baronet of Knocktopher, County Kilkenny, Ireland, an MP in the Parliament of Ireland, and a noted supporter of Catholic Emancipation, and his wife Hannah Myhill of Killerney, County Kilkenny.[1]
He served as rector of Newcastle Lyons, co. Dublin, and Killishin, County Carlow. He served as Dean of Achonry from 1791 until 1806,[2] when he became Archdeacon of Glendalough.[3]
He married Mary Harriet Michell, a daughter of Hugh Henry Mitchell and sister to Col. Hugh Henry Mitchell, who married Lady Harriett Somerset (a daughter of the 5th Duke of Beaufort).[4][5] Among their children were:
He died aged 82 in 1847 and was buried at St Finian's Church, Newcastle, County Dublin.[1]