Hi, Karen
When I was perusing Quirks of Patrick, I ran into the Patrick Q/Isabella Corlett family you mentioned.

You cited the 1841 census

1851 Patrick census
Kerrowdhoo
Patrick Quirk head married 72 farmer 6 ac emp 1 lab b Patrick
Isabella 63 wife married 63 b Lezayre
William Teare s-i-law married 41 lead lab
Christian Teare dau married 41
Edward grson 14 scholar
Ann grdau 12 scholar
Leonora grdau 11 scholar
Thomas gr son 2
Susannah gr dau 5 mo

Patrick was buried 27 Aug 1854 Patrick res was listed as Glenneedle
He has a will
QUIRK, Patrick 1854 Pat E 78 0106455

Isabella Corlett Quirk was buried 15 Mar 1854 Patrick res was listed as Kerrodhoo.

Patrick was ch 12 Sep 1779 Patrick s/o Thomas Quirk and Catherine Quayle
Isabella was ch 11 Feb 1785 Lezayre d/o Thomas Corlett and Catherine Kneen

DJD