| Scottish Gaelic name | Siolaigh/Seilaigh |
|---|---|
| Old Norse name | Selrey |
| Meaning of name | Seal Island or "Herring island", from Norse |
| Location | |
  Shillay Shillay shown within the Outer Hebrides | |
| OS grid reference | NF593628 |
| Coordinates | 57°32′N 7°41′W / 57.53°N 7.69°W |
| Physical geography | |
| Island group | Monach Islands |
| Area | 7.4 ha |
| Highest elevation | 10 m (33 ft) |
| Administration | |
| Council area | Comhairle nan Eilean Siar |
| Country | Scotland |
| Sovereign state | United Kingdom |
| Demographics | |
| Population | 0 |
 | |
| References | [1][2][3][4] |
 The old lighthouse was not used between 1942 and 2008 | |
 | |
| Location | Shillay Isle Monach Islands Outer Hebrides Scotland United Kingdom |
|---|---|
| OS grid | NF5928262723 |
| Coordinates | 57°31′33″N 7°41′42″W / 57.525894°N 7.695055°W |
| Tower | |
| Constructed | 1864 |
| Designed by | Thomas Stevenson, David Stevenson  |
| Construction | brick tower |
| Automated | 2008 |
| Height | 41 metres (135 ft) |
| Shape | tapered cylindrical tower with balcony and lantern attached to a 2-storey keeper’s house |
| Markings | unpainted tower |
| Operator | Northern Lighthouse Board [5][6] |
| Heritage | category B listed building |
| Light | |
| Deactivated | 1942-2008 |
| Focal height | 47 metres (154 ft) |
| Range | 18 nautical miles (33 km; 21 mi) |
| Characteristic | Fl (2) W 15s. |
Shillay (Scottish Gaelic: Siolaigh or Seilaigh from the Norse selrey, meaning Seal island) is the westernmost of the Monach Islands (Heisgeir), off North Uist in the Outer Hebrides.
- ^ 2001 UK Census per List of islands of Scotland
- ^ Haswell-Smith, Hamish (2004). The Scottish Islands. Edinburgh: Canongate. ISBN 978-1-84195-454-7.
- ^ Ordnance Survey
- ^ Iain Mac an Tailleir. "Placenames" (PDF). Pàrlamaid na h-Alba. Archived from the original (PDF) on 29 May 2008. Retrieved 8 December 2007.
- ^ Rowlett, Russ. "Lighthouses of Scotland: Western Isles". The Lighthouse Directory. University of North Carolina at Chapel Hill. Retrieved 19 May 2016.
- ^ Monach Archived 20 November 2010 at the Wayback Machine Northern Lighthouse Board. Retrieved 19 May 2016