Plans to give adopted people the right to access their birth certificates are expected to be approved by Cabinet this morning.
Children's Minister Roderic O'Gorman is bringing proposed Birth Information and Tracing legislation before his government colleagues.
It's expected the legislation will change the long standing situation where the right to privacy of the birth mother took precedence over the rights of the adopted person.
The legislation is likely to give adopted people access to their full birth certs, the name of their birth mother and other documentation from their early lives.
Breeda Murphy of the Tuam Mother and Baby Home Alliance says people have been waiting decades for this: