Mansur
No. Mansur is not used as a proper name in the Quran; it is an Arabic adjective meaning "victorious," derived from Quranic vocabulary but not a Quranic proper noun.
Yes. The best-known historical bearer in Sufi history is Mansur al-Hallaj (d. 922), a Persian-born mystic and poet whose writings and martyrdom are widely discussed in Sufi studies.
Yes. Mansur has been attested in Arabic, Persian, Turkish and South Asian historical sources and is recognized though not always widely popular in contemporary naming.
Linguistically it implies divine help or victory; culturally it often signals reliance on God’s succor or spiritual triumph in classical Islamic and Sufi contexts.
There is no common feminine given name derived directly from Mansur; feminized forms are rare and classical practice more commonly uses distinct feminine names with related meanings.