Lemar
Lemar comes from Pashto; it is the Pashto word لمر meaning 'sun' and is used as a feminine given name in Pashtun communities.
No. Lemar is a vernacular Pashto word used as a name; it is not a Quranic name but is culturally used by Muslim Pashto speakers.
In contemporary usage among Pashto speakers Lemar is more commonly given to girls, conveying imagery of light and warmth.
Yes. Names like Mehr (Persian, sun/love) or Shamsa (Arabic/Persian, feminine form of 'sun') share the solar/brightness theme.
Lemar is rare (low popularity) and mostly encountered in Pashtun cultural contexts rather than widely across the Muslim world.