| Chambered Cairns (12) | Court Tombs (136) |
| Kists (15) | Passage Tombs (100) |
| Portal Tombs (154) | Wedge Tombs (173) |
| Henges (10) | Stone Circles (122) |
| Standing Stones (276) | Stone Pairs (42) |
| Stone Rows (Alignments) (42) |
| Artificial Mounds (27) | Barrows (21) |
| Cairns (69) |
| Boulder Burials (6) | Cists (3) |
| Rock Art (73) |
| Crannogs (7) |
| Castles (10) | Hill Forts (16) |
| Mottes (12) | Promontory Forts (2) |
| Raths (18) | Ring Forts (8) |
| Stone Forts (17) |
| Fulachta Fiadha (4) |
| Souterrains (5) |
| Ogham Stones (29) |
| Churches (88) | Crosses (41) |
| Cross Pillars (13) | Cross-Inscribed Stones (2) |
| Grave or Cross Slabs (18) | High Crosses (43) |
| Oratories (3) | Round Towers (52) |
| Tomb Shrines (1) |
| Holy Wells (65) |
| Caves (2) | Cursuses (1) |
| Dubious Sites (6) | Hill Figures (1) |
| Hut Circles (7) | Lakes/Islands (6) |
| Miscellaneous Sites (18) | Rock Outcrops (10) |
| Sacred Hills (4) | Visitor Centres (5) |
| Sweat Houses (15) |
| Cult Stones (3) |
| Bullaun Stones (143) |
| Carved Figures (4) | Carved Heads (1) |
| Sheela-na-Gigs (15) |
