Hi Paul at present Teris Computer is Down .I found they have at least one of the Marriages in Emerald Ancestors
Mike
List Below
Marriages
1858 henry COSGROVE
mary
Londonderry
1867 henry COSGROVE
sara
Londonderry
1874 henry COSGROVE
sophia margaret
Antrim
1878 henry COSGROVE
sarah
Antrim
1898 henry COSGROVE
josephine
Londonderry