First same-sex marriages could take place as early as October
Minister for Justice Frances Fitzgerald will bring legislation to Cabinet tomorrow that will provide for same-sex marriage.
The bill will give effect to May's referendum in which same-sex marriage was brought in with a 62pc majority vote.
Ireland became the first country in the world to bring in same-sex marriage by a popular vote on May 24 but ratification of the referendum was delayed for legal reasons.
People will be able to apply to get married as soon as the legislation passes and is signed by President Higgins, which is expected to be in a matter of weeks.
Couples who have already applied for a Civil Partnership will have the option of converting their application into one for marriage.
This means that the first marriages between lesbian and gay couples could take place in late October or November.