Offaly Heritage Centre open Day Offaly Heritage Centre Co. Offaly Bury Quay 18 August, 2pm - 4pm21 August, 11am - 1pm21 August, 2pm - 4pm
Ogham Trail Walk at Craggaunowen Craggaunowen Castle and Crannóg Craggaunowen Castle & Crannóg, Co. Clare Kilmurry 17, 18, 22, 23 August, 11am - 12pm
Old Buildings New Life Roscommon County Council Meet in Bawn Street, Co. Roscommon Strokestown 18 August, 11am - 12pm
Old Connaught Graveyard and Medieval Church The Medieval Bray Project Old Connaught Graveyard, Opposite Festine Lente., Co. Wicklow Old Connaught Avenue, Bray, Co. Dublin 17, 23 August, 11am - 2pm
Old Kilskeagh Church & Graveyard: Blessing of Graves & Tour Kilskeagh Heritage Committee Entry to Spellman's Fields, Co. Galway – County Kilskeagh, Cloonnavaddoge 22 August, 7pm - 8:15pm
Old Walls, New Voices The Chapel Co. Cork County Sisters of Mercy Convent, Charleville 16 August, 7pm - 9pm20 August, 2pm - 5pm23 August, 11am - 1pm
Oldcastle Walking Tour Meath County Council Meet at St. Brigid's Church, Co. Meath Church Street, Oldcastle, Co. Meath 21 August, 1pm - 2pm
Open Day at Annes Grove Miniature Castle, Castletownroche Irish Landmark Trust Annes Grove Miniature Castle, Co. Cork County Castletownroche, Co Cork 24 August, 10am - 4pm
Open Day at Batty Langley Lodge, Castletown Irish Landmark Trust Batty Langley Lodge, Co. Kildare Castletown, Co. Kildare 24 August, 10am - 4pm
Open Day at Castletown Gate Houses, Celbridge Irish Landmark Trust Castletown Gate, Co. Kildare Castletown, Co. Kildare 24 August, 10am - 4pm
Open Day at Charleville Castle Charleville Castle Heritage Trust Charleville Castle, Co. Offaly Charleville Demesne, Tullamore, Co. Offaly 21 August, 1pm - 4pm
Open Day at Elizabeth Fort Houses Irish Landmark Trust Elizabeth Fort, Co. Cork City Barrack Street, Cork 24 August, 12pm - 4pm
