Coastwatch Seagrass Heritage Day Event Coastwatch Achill Outdoor Education & Training Centre, Co. Mayo Cashel, Achill, Co. Mayo Ireland. 21 August, 9am - 1pm
Coddington Family 1724 to 1984 Oldbridge House, Battle of the Boyne, Drogheda, Co. Meath Meeting point: Front of Oldbridge House, Co. Meath Oldbridge House 17 August, 12pm - 1pm
Collecting and Connecting Stories with the Cork Folklore Project Cork Folklore Project Civic Trust House, Co. Cork City 50 Popes Quay, Shandon, Cork 20 August, 2pm - 4pm
Collection Close-Ups at the National Print Museum National Print Museum Co. Dublin – Dublin City Old Garrison Chapel, Beggar's Bush Barracks, Haddington Road, Dublin 4. 22 August, 2pm - 3pm
Colour with Rossie the Heritage Duck Roscommon County Council Various locations, Co. Roscommon 16 - 24 August, 12pm - 6pm
Comber & The Second World War Comber Historical Society Rollo Gillespie Monument, Co. Down The Square, Comber, Co. Down 22 August, 7pm - 9:30pm
Comber History Scavenger Hunt Comber Historical Society Rollo Gillespie Monument, Co. Down The Square, Comber, Co. Down 23 August, 10:30am - 4:30pm
Combined Tour - Maynooth Castle & St. Mary's Church of Ireland Office of Public Works - Maynooth Castle Maynooth Castle Main Reception Desk (Inside the Castle), Co. Kildare Maynooth Castle, Parsons Street, Maynooth, Co.Kildare 21 August, 11am - 12:30pm
Comeragh Mountain Farm Heritage Walk 2025 Talamh Beo Comeragh Mountain Farm, Co. Waterford Ballinamult 22 August, 11am - 1pm
Commemorative 200th Anniversary of the Construction of the Low Road Tubberclare Local Action Group (TLAC) Heritage Center Glasson, Co. Westmeath Glasson Westmeath 24 August, 12:30pm - 3pm
Common Tern Project -Galway City Conservation Volunteers Galway GRETB Outdoor Education Centre, Co. Galway – City Lakeshore Drive (Opp Dept of Defence) 21 August, 7pm - 8pm
Community Archaeology in Co Clare Clare Community Archaeology Edna O'Brien Library, Co. Clare Mountshannon Road, Scariff 22 August, 10am - 12:30pm
