Koshi ... is perfectly nepali... sounds very sweet.... unique too.... name of river in eastren nepal.... i havenot heard anyone with this name before ... easy to pronounce for red necks too....

Rayee .... sounds indian but is a name of god... (we got 20 million god... so dont aske me which god) another unique one....

Sia .... you may have heard Tia, Ria, Piya, Kia...... but Sia is not very common ... but may sound a little bit muslim... (sia/sunni are two types of muslim)

Gwen, Harper, Summer, Autumn, Peaches if you are after Yanks/English names

common purano nepali naam .... shova, kusum, sujata, sila, shilpa, sapana , bipana... Shova is my fav

new common nepali names...... karishma, alankrita, upama, upasana, srinkhala, surakhsya, shikshya,     Shikshya is my fav