Denis Mahony and Johanna (Judy) Regan married but the record for that era is not available

Children born in Toom (Toam) and baptised on dates on Baptismal Register:

Mary Mahony, 9 June 1819.  Sponsors: John Forbes, Honora Mahony

Anne Mahony, 22 Apr 1821.  Sponsors: James Regan, Mary Mahony

Judy Mahony, 21 Apr 1822.  Sponsors: Daniel Mahony, Margaret Regan

John Mahony, 12 Feb 1827.  Sponsors: John Mahony, Margaret Crowley

Denis Mahony, 21 June 1829.  Sponsors: Michael Mahony, Hanora Regan

Julia Mahony, 15 Dec 1831.  Sponsors: James Regan, Judy Donovan

Margaret Mahony, 14 Mar 1834.  Sponsors: Daniel Mahony, Catherine Crowley

In the Tithe Applotment Books for Toom in 1826 we see that Denis Mahony and partners were tenants of 124acres of land.

In Griffith's Valuation of Ireland we see the following were tenants of 254acs 1rd 11pchs in Toom
They were Jeremiah Mahony, James Regan, John Coakley, John Crowley, Denis Mahony, Bartholomew Mahony

Death:
Denis Mahony died on 20 November 1879 at Toom.  From his death record he was a widower, aged 90 years, a farmer.  Present at his death and the Informant to the Civil Registrar was Hannah Mahony of Toom.