"Sure, it goes: Cornelius O'Sullivan (b. 1909 d.1974) > John Denis Michael O'Sullivan (b. 1952) [my father] > Mark John O'Sullivan (b. 1978) [me]"

"Chris, nice to meet you too - and thanks for the extra information, my Dad will be really pleased to hear we can go back a line or two. Really interesting you mention your grandmother being a Healy, because I have got an old Blacksmithing…"

"Hi Chris, thanks for the reply. So Denis O'Sullivan (Roger) is my Great Grandfather. My direct grandfather was Cornelius O'Sullivan - who would have been another of your father's cousins. Glad to hear you dad is alive and well. I…"

"Mark, Thanks for reaching out. Jack Rogers is the first cousin of my father, Roger O’Sullivan. My grandfather George O’Sullivan is the brother of Jack O’Sullivan Rogers father, Denis. Jack is now deceased, but my dad is alive in…"

"Bit late to this post - only stumbled on it by chance. @Kristen and/or @Chris, please reach out to me if you see. Or indeed anyone directly connected to the O'Sullivan pub in Kilgarvan."