Are your cousins likely to be still living?
no unfortunately they have all passed away i know they lived in boherbee newcastle west in the 70s and 80s opposite the convent may healy had a florist shop n boherbee i know at some stage sorry maybe not a lot of use tony
There are many "Healy's" in Newcastle West.
Free site www.irishgenealogy.ie may have some of the records up to c1940.
As you have knowledge of this family, you will be better able to distinguish which are your late relatives.