The Lieutenancy of Ireland currently has 200 members, primarily lay faithful and some clergy, who have been invested Knights and Dames. 
It is a registered Charity providing much needed aid to the Christian population, the ‘living stones’ in the Holy Land, by means of supporting Capital Investment projects, Humanitarian Aid initiatives and Pastoral Support activities.
In the past 18 months, members of the Lieutenancy of Ireland have donated €480,000 directly to the Latin Patriarchate of Jerusalem’s parishes situated in Israel, The Occupied Palestinian Territories and Jordan.
On Saturday 23rd July 2022, the Cardinal Sean Brady Grand Prior of the Lieutenancy of Ireland invested four new members into the Order: Dame Aileen Sheridan (Dublin), Dame Fiona Kane (Wicklow), Chevalier Rev Derek Leonard (Dublin) and Chevalier Dermot Brennan (Meath).

Chevalier Damien Walls (Tyrone), Chevalier  Jim Holohan (Dublin), Grand Officer Bishop Denis Nulty Diocese of Kildare and Leighlin, His Grace Eamon Martin Archbishop of Armagh and Primate of All Ireland, His Excellency Bishop William Shomali The General Vicar and Patriarchal Vicar for Jerusalem, His Eminence Cardinal Sean Brady, Grand Prior, Very Rev Fr Patrick Mangan P.E. (Dublin), Rev Fr Ray Murrin (Dublin) and Chevalier Christopher Nolan KC*HS (Dublin) who participated in The Celebration of the Vigil of Arms Ceremony prior to the Investiture of Knights and Dames at the Pontifical University College Chapel, Maynooth.

Knights and Dames to be invested signing their solemn lifelong promise to the Equestrian Order of the Holy Sepulchre of Jerusalem, at the altar of the Pontifical University College Chapel, Maynooth, part of The Celebration of the Vigil of Arms celebrated the evening prior to the Ceremony of Investiture.

Newly invested Knights and Dames of the Equestrian Order of the Holy Sepulchre of Jerusalem – Lieutenancy of Ireland: Dame Aileen Sheridan (Dublin), Chevalier Rev. Derek Leonard (Dublin), Dame Fiona Kane (Wicklow), Chevalier Dermot Brennan (Meath) with Chevalier Thomas Kilduff (Cavan) Communications Officer holding the Order flag. Seated at front, from left to right: His Excellency Peter Durnin, Lieutenant of Ireland; His Excellency Bishop William Shomali, the General Vicar and Patriarchal Vicar for Jerusalem; His Grace Eamon Martin,  Archbishop of Armagh and Primate of All Ireland; His Eminence Cardinal Sean Brady, Grand Prior and Grand Officer Bishop Denis Nulty, Diocese of Kildare and Leighlin.