Helen,
I wasn't sure what information was on the death certificate. I found this record on RootsIreland (subscription).
Name:MichaelQuinlivanDate of Death:02-Oct-1873
Age:75Parish / District:CLARECASTLE CIVIL
Address:ManusCounty:Co. Clare
Status:MarriedDenomination:Civil Record
Occupation:LABOURERSex:Male
GraveyardInformant
Graveyard:Relationship:Householder
Parish:Name:Catherine Quinlivan
County:Address:Manus
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Potentially the parish you are looking for. Margot and McCoy might be able to confirm.
Clarecastle and Ballyea, Diocese Killaloe
Killone, Killaloe - Catholic Parish Registers at the NLI
Regards- Mary