| Place Name | Civil Parish | Situation |
| (2 fields in Castle Kelly demesne) | Athleague | There are two fields situated nearly in the centre of Castle Kelly demesne, and about 44 chains west by north of Castle Kelly house. |
| (a field in Castle Kelly Demesne) | Athleague | It is situated in the northern part of Castle Kelly demesne and is bounded on the north by Lower Lisdoo, on the east by Table Rock, and on the south by Cullean Fadda and is about 30 chains north by west of Castle Kelly house. |
| Aircin | Arran | In Killainy townland. |
| Angloragh Castle | Tuam Parish | In S.E. corner of the townland of Augloragh in N. bank of river. |
| Ard Castle Ruins | Moyrus | In the N. end of Ard East townland |
| Aughnanure Castle | Kilcummin | In Aughnanure townland. |
| Aylle Old Castle | Kilteskill | S. part of Aylle in a wood. |
| Ballagh Old Castle | Clontuskert | It is situated in the townland of Ballagh West within 2½ chains S. West of the road and mearing of Tristraan with this townland. It is situated in the Barony of Cloonmacnoon. |
| Ballinderry Castle | Cummer | In Ballinderry townland. |
| Ballindooly Castle | Oranmore | In Ballindooly townland close to Ballindooly Lough. |
| Ballinduff Castle | Kilcoona | Situated near the Lodge offices and c of Ballinduff in townland Ballinduff. |
| Ballintemple | Killeenadeema | In the townland of Killeenadeema East. |
| Ballybrit Castle | St. Nicholas | Central of Ballybrit townland, E. of parish. Not occupied. |
| Ballycoona Old Castle | Killeenadeema | In the townland of Ballycoona. |
| Ballydonnellan Castle | Killallaghtan | Is situated in the West of Ballydonnellan East. |
| Ballydoogan Castle | Kilmeen | Ballydoogan. Leitrim [Barony]. |
| Ballylee Old Castle | Kiltartan | In the townland of Ballylee, parish of Kiltartan and County Galway. |
| Ballynabannaba Old Castle | Fohanagh | Situated in the South of Ballynabannaba townland. |
| Ballynakill Old Castle | Ballinakill in Leitrim Barony | In the South West end of the townland of Ballynakill about 1 mile E. N.E. of Marble Hill House. |
| Barna Old Castle | Rahoon | S. of the parish and Barna townland on the sea shore S.E. of Barna House at the corner of orchard. |
| Barnadarrig Castle Ruins | Killererin | W. of the road passing through Barnadarrig townland. |
| Cargans Castle | Cargin | Situated in the townland of Cargans. |
| Cashlaunnagransha | Lackagh | Close by the northern boundary of Grange E. |
| Cashlaunnaveacul | Belclare | Situated on the townland of Tubberminna. |
| Castle Ffrench | Killosolan | It is situated in Eastern side of Castle Ffrench townland. |
| Castle Roger | Kilgerrill | This ruin is situated in the townland of Killurebeg within about 12 chains East of this mearing of Fair Field with this townland. |
| Castle Ruins | Clonbern | In the N.E. end of Lerhan townland |
| Castle Ruins | Clonbern | In the corner of Park N. townland. |
| Castle Ruins | Dunmore Parish | E. of the townland of Castle. |
| Castle Taylor | Ardrahan | In the townland Castle Taylor South, Parish of Ardrahan, Barony of Kiltartan and Co. Galway. |
| Castlegar (In ruins) | Killeely | S. of Castlegar townland. |
| Castlegar Castle | St. Nicholas | At the village of Castlegar in townland of same name. Not occupied. |
| Castlehacket old castle | Killower | Situated in the townland of Castlehacket. |
| Castlekirk | Cong | Situated in the townland of Drimsnav. |
| Castlereagh | Dunmore Parish | N. side of Stripe townland and on the parish boundary. |
| Cloastoken Old Castle | Kilconickny | The townland of Cloastoken. |
| Cloastoken Old Castle | Kilconickny | The Western boundary of the townland of Knockadadmore. |
| Cloghballymore Castle (in ruins) | Killeenavarra | In Cloghballymore townland. |
| Clonbrock Castle | Fohanagh | This castle is situated in the farm yard of Clonbrock House. |
| Cloonacauneen Castle | Oranmore | E of the parish in townland of same name. |
| Cloonboo Castle | Annaghdown | In Castle Quarter townland. |
| Cloondadauv | Ballinakill in Leitrim Barony | On the North East extremity of the townland of Cloondagauv about 3½ miles East of Woodford. |
| Coolfin Castle | Ballinakill in Leitrim Barony | About the centre of the townland of Coolfin about 3½ miles N.E. of Woodford. |
| Corrofin Castle | Cummer | Corrofin Townland. |
| Corrofin Lodge | Cummer | Corrofin Townland. |
| Cregana Castle (in ruins) | Ballynacourty | S. of Creggannamore townland |
| Creggaun | Killora | E. of the parish in Caheradangan townland. |
| Creggaun | Killora | E. of the Parish. Bounded on the N. by Ballymore. On East by Caheradangan and the parish of Lickerrig. On S. by Cappanraheen and on W. by Roo and Doonard. |
| Cummer Old Castle | Cummer | Glebe. |
| Cushlaunadawcallaugh (old castles) | Moycullen | N.E. of parish and North of Cartoor townland near Lough Corrib. |
| Deriak | Killora | In Roo Townland. |
| Doon Castle | Omey | Situated on the N. bank of Streamstown Bay and about the centre of the S. boundary of Doon. |
| Droght Old Castle | Kilreekill | In the townland of Droght. |
| Dunkellin Castle (in ruins) | Killeely | In Dunkellin townland |
| Dunmore Castle | Dunmore Parish | In the S. of Castlefarm townland. |
| Glinsk Castle | Ballynakill in the Barony of Ballymoe | Glinsk Castle now in ruins is situated nearly in the centre of the townland of Glinsk about 2 chains South of Glinsk House. |
| Greg Castle | Dunmore Parish | N. side of Stripe townland and on the parish boundary. |
| Headford Castle | Cargin | Situated in the Northern extremity of Balrickard. |
| Kilcloony Old Castle | Lissgeevy Parish | In the W. end of Kilcloony townland. |
| Kilcooly Castle | Kilcooly | In the townland of Kilcooly. |
| Kilcornan Castle | Stradbally | N. and central of Kilcornan Demesne. |
| Killeen Castle | Oranmore | E. of the parish in Killeen townland. |
| Kiltrogue Castle | Lackagh | In Kiltrogue townland near the southern boundary of Kiltrogue W. |
| Kiltullagh Castle | Oranmore | N. of the Parish of Kiltullagh townland. |
| Knockacushlawn | Duniry | In the South end of the townland of Cloonacastle about 3/4 of a mile South of Dooniry village. |
| Laragh Castle | Killimordaly | Situated 10 chains W. of the E. boundary of the townland of Larha, and about 3 chains S.W. of the meeting of 3 roads, near the N.E. corner of sd. Townland. Kilconnell. |
| Lavallyconnor Old Castle (in ruins) | Killeely | S. of the parish in Lavallyconnor townland |
| Lerhan Castle Ruins | Clonbern | In the N.E. of Lerhan townland. |
| Lisheennora | Clontuskert | Is situated on the S. western extremity of the townland Somerset and on the parish mearing between Kltormer and this parish, in the Barony of Longford. |
| Lisnasheal | Killallaghtan | Is situated in the southern side of the townland of Coollymurraghty, about 40 links South of Lissnaphuil. |
| Lough Cooter Castle | Beagh | On the Eastern shore of Lough Cooter and in the South East of the townland Lough Cooter Demesne, Parish of Beagh, Barony of Kiltartan and Co. Galway. |
| Manus Castle | Clonrush | In the South East end of the townland of Crummaun West about 1 mile S. E. of Whitegate Village. |
| Merlin Castle | Oranmore | In Merlin Park townland. |
| Moneyduff Castle | Oranmore | S. of Munnadhuv townland. |
| Moylough Castle (in ruins) | Moylough | Situated in the S.E. of the townland of Moylough, ½ a mile W. of the cross roads in the village of Newtown Bellew. |
| O'Brien's Castle | Arran | In Innisheer townland. |
| Old Castle | Isertkelly | In the S. part of Castle Park townland. |
| Old castle mostly in ruins | Moyrus | In the W. of Ballinahinch Lake |
| Old Castle of Annaghbride | Kilmeen | Annaghbride. Leitrim [Barony]. |
| Old Castle of Rahaly | Kilthomas | In the N. end of Rayhealy. |
| Oran Castle | Oranmore | W. of the parish and Oranmore townland. |
| Park Castle Ruins | Clonbern | In the E. corner of Park N. townland. |
| Park Old Castle | Killallaghtan | Is situated in the S. East side of the townland Park about 12 chains N. West of the junction between Park, Bullterrine and Coollymurraghty. |
| Police Barrack | Ross Parish | Situated in the townland of Cappaghnagoppul or Peters Bourgh. |
| Police Barrack | Ross Parish | Situated in the townland of Cappaghnagoppul or Peters Bourgh. |
| Renville Castle | Oranmore | In Renville W. townland. |
| Rinvyle Castle | Ballynakill in the barony of Ballynahinch | In the N. corner of Ranrauwer townland, at the sea shore. |
| Ruckwell | Kilconla | In townland Tubberroe. |
| Ruins of Old Castle | Tuam Parish | In townland of Castletown. |
| Shanbally Castle (in ruins) | Killeeneen | South of Shanbally Townland. |
| Shandoonbally or Doonbally Castle | Dunmore Parish | In the S. end of Graigahullin [unable to read] townland and W. side of [unable to read]. |
| Site of Ballygar Castle | Killeroran | It is situated in the townland of Ballygar about 25 S. W. of Ballygar trig. Station. |
| Site of Doon Castle | Fohanagh | Situated in the West of Doon Upper at the North end of Doon House in Doon Fort. |
| Site of Kelly's Castle | Kilcloony | Situated in the S. West of the parish Mackney townland about ? chains ? of the road from Ballinasloe to Galway. |
| Site of Lissnavulthaun Castle | Killaan | It is situated in the Southern part of the townland of Lissavulthaun. |
| Site of Old Castle | Aughrim | Is situated in the South side of Coolulla Townland and about 3 ½ chains North of Aughrim bridge. |
| Site of Old Castle of Cloonigny | Kilgerrill | The site of this Castle is situated in the townland of Cloonigny nigh the centre of it and about 42 chains S. West of the junction of Killuremore, Kilgerril and Cloonigny. Is also situated within about 19 chains S. West of Cloonigny Fort. |