Each 'open' record includes name, address, date of birth, marital status and occupation, and the database can be searched by name or address.
'Open' records are those where either the individual would now be over 100 years old or where proof of death has been obtained for an individual born less than 100 years ago.
'Closed' records are those that have been redacted.
FindMyPast says it has 'opened' more than four million records since the Register was launched, so if you've unsuccessfully searched for a missing Irish ancestor before, it may be worth taking another look.
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