Rathgar is named from the Gaelic Rath Gharbh, meaning the Rough Ring Fort.
| Year | Architect | Building |
| 1860 | Patrick Byrne | Church of the Three Patrons |
| 1864-65 | Andrew Heiton | Christ Church Presbyterian |
Rathgar is named from the Gaelic Rath Gharbh, meaning the Rough Ring Fort.
| Year | Architect | Building |
| 1860 | Patrick Byrne | Church of the Three Patrons |
| 1864-65 | Andrew Heiton | Christ Church Presbyterian |