On 2 June 2017, the World Meeting of Families 2018's official hymn, "A Joy For All The Earth" (written by Irish composer Ephrem Feeley) was launched in Dublin.

There was also a special "Voices of Impact: Women in Leadership Symposium" at the RDS on the Saturday morning of 26 August, ahead of Mass and live-feed broadcast of Pope Francis's Itinerary as he arrived in Ireland.

"[6] The humanitarian campaign, Equal Future 2018, was launched during the course of the Pastoral Congress, with the intention of raising awareness around the world of the damage done to children and young people by LGBT stigma.

The Pope addressed those in attendance, heard the testimonies of five families from Burkina Faso, Canada, India, Iraq and Ireland, and he and the audience were entertained by an orchestra comprising more than fifty musicians; a choir of one thousand voices; more than seven hundred Irish, sean-nós and contemporary dancers; Daniel O'Donnell, Riverdance, an Andrea Bocelli and Celine Byrne duet of Franz Schubert's "Ave Maria" and Bocelli's rendition of "Nessun Dorma", the aria from the final act of Giacomo Puccini's opera Turandot.

[11] On the morning of Sunday 26 August, Pope Francis made a pilgrimage to Knock Shrine in County Mayo in the West of Ireland.

[13] A Solemn Eucharistic Celebration commencing at 3:00 pm on Sunday 26 August and presided over by Pope Francis, at Phoenix Park in Dublin, brought about the conclusion of the World Meeting of Families 2018.

[19] Ursula Halligan, a prominent Catholic and gay activist, organised a choir to sing outside the WMOF venue to highlight the perceived opposition to LGBT people.

[20] In August 2018, Allianz Insurance issued a statement denying they were "headline sponsors" of the event following a claim made by businesswoman and entrepreneur Norah Casey on RTÉ.