I am now somewhat confused:
Marriage
Party 1 Name   JOSEPH CUMMINS
Party 2 Name   KATE CURTIN
Date of Event   25 September 1909
Group Registration ID   1923024
SR District/Reg Area   Cork
Sorted, Denis' Kate was a Catherine:
Party 1 Name   DENIS CUMMINS
Party 2 Name   CATHERINE CURTIN
Date of Event   20 September 1909
Group Registration ID   1919982
SR District/Reg Area   Cork