English / Map Form: Altass
Gaelic Form: Altas
Post Town: LAIRG
Postcode area: IV27
County: Sutherland
Local Authority: Highland
English / Map Form: Altass
Gaelic Form: Altas
Sources
Altas Mòr: 1st edn OS map
Altas: Robertson [headform is Altasbeag]
Alltais: Watson in Dwelly and CW12, 2a [in list of names with the suffix -es]
G. Alltais: Watson 1904, xlix
V Altas: ‘altas’: ‘alt’ as in G alt ‘joint’ and as pronounced as in Eng ‘ash’, cu-ach tree (Sorry it is not pronounced “allt’. CW11 [postcard to Watson from informant]
It seems Watson’s interpretation of Alltais from allt + ais is wrong in this case, as in evidence with Robertson’s form, the OS form and the correction sent to him