Hi Carol,
In that case you are also Tony's (very) distant cousin.
Was your ancestor a sibling of Edward Corkill or of Ann Cashin/Cassin?
You were asking about which Jane married Robert Corkill? Did you see the message I posted about some possible Janes:
www.isle-of-man.com/genealogy/messageboard/index.pl/page/1/md/read/id/554213
Sue