The announcement reads:

Leo O'Shaughnessy

Mark Kinsella

It is with delight that Charles and Kate O'Shaughnessy of Foxrock, announce the engagement of their eldest son Leo to Mark, youngest son of Yvonne and the late Clem Kinsella of Blanchardstown Village.

The announcement has been met with a wave of congratulations on social media.

First gay engagement notice I've seen in Irish Times Social & Personal column. Is this a record etc? pic.twitter.com/JXW9ARhsaQ

— colin coyle (@colincoyle) June 20, 2015

The happy groom to be Leo O’Shaughnessy expressed his gratitude to all the well-wishers saying: “Thanks everyone. Been waiting 20 years to place that ad."

Well I guess there's no backing out now... 😏 @Markkipper pic.twitter.com/sfwgYz73rX

— Leo (@leoie) June 20, 2015