I'd hope somebody could - there is an entry under Ballaugh place names:
Nascoin

1754 Dioc. Reg. Nash Cawin „

,, Niaskawin

1761 Nash Yhoan

This is obscure. Moore (Mx. Names) derives it from yn eas coon, the narrow waterfall,' but this is doubtful as there is no fall here. The first element may be Ir. ais, 'a small hill.' Ir. An ais chumhang the narrow hill.'

the pias etc I don't know - could well be a doubtful transcription between actual register and the 1911 copy