| Barrow Cemeteries (5) | Megalithic Complexes (2) |
| Monastic Settlements (5) | Passage Tomb Cemeteries (7) |
| Chambered Cairns (14) | Court Tombs (148) |
| Kists (17) | Passage Tombs (111) |
| Portal Tombs (160) | Wedge Tombs (188) |
| Henges (10) | Stone Circles (131) |
| Standing Stones (285) | Stone Pairs (44) |
| Stone Rows (Alignments) (43) |
| Artificial Mounds (27) | Barrows (32) |
| Cairns (78) |
| Boulder Burials (6) | Cists (3) |
| Rock Art (93) |
| Crannogs (7) |
| Castles (10) | Hill Forts (16) |
| Mottes (13) | Promontory Forts (2) |
| Raths (20) | Ring Forts (10) |
| Stone Forts (21) |
| Fulachta Fiadha (5) |
| Souterrains (7) |
| Ogham Stones (30) |
| Churches (90) | Crosses (45) |
| Cross Pillars (15) | Cross-Inscribed Stones (2) |
| Grave or Cross Slabs (19) | High Crosses (46) |
| Oratories (4) | Round Towers (54) |
| Tomb Shrines (1) |
| Holy Wells (71) |
| Caves (4) | Cursuses (1) |
| Dubious Sites (6) | Hill Figures (1) |
| Hut Circles (11) | Lakes/Islands (6) |
| Miscellaneous Sites (19) | Rock Outcrops (11) |
| Sacred Hills (4) | Visitor Centres (5) |
| Sweat Houses (15) |
| Cult Stones (3) |
| Bullaun Stones (155) |
| Carved Figures (4) | Carved Heads (1) |
| Sheela-na-Gigs (15) |