Here are some Cassidy baptisms I found in records of Roman Catholic parish of
Devenish (this from LDS microfilm)
bapt 2 Nov 1857 Sara Cassidy child of Patrick Cassidy & Brigid O'Brien
sponsors: John Love & Brigid Cassidy
bapt 10 July 1860 Anne Cassidy child of Patrick Cassidy & Brigid O'Brien
sponsor Terence O'Brien
bapt 20 Mar 1858 John Cassidy (illeg.) child of John Maguire & Anne Cassidy,
sponsors: Andrew Cassidy & Catherine MacManus
5 July 1858 Catherine Cassidy of William Cassidy & Margaret Carroll, sp: Felix
& Catherine Carroll
? Nov 1863 James Cassidy of William Cassidy & Margaret Carroll
23 Dec 1865 Anne Cassidy of William Cassidy & Brigid MacManus
17 Oct 1867 Felix Cassidy of Patrick & Sara Cassidy, sp: Andrew & Mary Cassidy
27 Oct 1867 Anne Cassidy of John & Ellen Cassidy, sp: Patrick & Brigid Porteus
29 June 1868 Peter Cassidy of William Cassidy & Brigid Flanagan
3 Aug 1868 Catherine Cassidy of Andrew Cassidy & Cath Maguire, sp: Patrick
Duffy & Mary McGuire
30 Nov 1868* Patrick Cassidy of William Cassidy & Margaret Carroll, Drumanane,
sp: Felix Carroll & Jane Hall
Hope someone finds someone here!
Janet C-S