Thom's Irish Who's Who/O'Mahony, Pierce Charles de Lacy O'Mahony (The O'Mahony)
O'MAHONY, Pierce Charles de Lacy O'Mahony (The O'Mahony), C.B.E. (1920); formerly D.L. Co. Wicklow, and J.P. Counties Kerry and Limerick. Educ.: Rugby; Magdalen College, Oxford; Agricultural College, Cirencester (Haygarth gold medallist, 1875); M.P. North Meath, 1886-92. Recns.: hunting, gardening. Only surviving son of Pierce K. Mahony, of Kilmorna, Co. Kerry, and Jane, dau. of Robert Gun Cuninghame, D.L., of Mount Kennedy, Co. Wicklow; b. 1850; m. 1st, 1877, Helen Louise (d. 1899), only child of Maurice Collis; 2nd 1901, Alice Jane (d. 1906) dau. of Lt.-Col. Francis W. Johnstone, and has issue one son. Res.: Grange Con, Co. Wicklow. T.A.: O'Mahony, Grangecon.