My Nephew's name is Zayyaan, but i've noticed that there are girl's with the same name.Can it be Unisex?The meaning is Beautiful.

Aadam: Name of the first man and prophet of Allah; father of mankind. The word Aadam is derived from the Arabic word udmah meaning wheat-coloured. Aadam alayhis-salaam was of his colour. Hence the name.
Haw-waa: A beautiful girl with a ruddy complexion and somewhat dark lips, name of the wife of Aadam alayhis-salaam-mother of mankind.

Idrees: Name of an illustrious prophet of Allah. It is said that this word is derived from dars or diraasah meaning to read or teach the lessson. Owing to Idrees' (AS) reading and teaching the Holy Scriptures, he was called by this name.

Nooh: Name of Prophet of Allah (Alayhis salaam)

Eesaa (usually spelt Isa): Name of a well-known prophet of Allah. He is also known as Maseeh and Roohul-Lah.
Maryam: Name of the mother of Sayyidona Easaa alayhis-salaam and daughter of Imraan alayhis-salaam.

Moosaa (usually spelt Moosa): Name of an illustrious prophet of Allah.

Aasiyah: A mansion with solid foundation or pillars; a queen with a powerful dynasty; name of Fir'own's wife who had been executed by Fir'own after he discovered her Imaan.

Haaroon: Chief; protector; guard; the wealth of the entire universe; name of an illustrious prophet of Allah Ta'ala. Haaroonur-Rasheed was the name of a Khaleefah in the Abbaasi dynasty.

Shuaib: Name of an illustrious prophet of Allah Ta'aala.

and Allah Ta'ala Knows Best

Mufti Ebrahim Desai