Noor (light) + Jahan (World)

REF.
1. Noorjahan
Meaning: light of the world

Gender: Girl Alphabets: 9 (Muslim Baby Names)

(http://www.atrochatro.com/names_muslim_girl.html)


2. Begum Nur Jahan (Persian/Urdu: نور جہاں ) (alternative spelling Noor Jahan, Nur Jehan, Nor Jahan, etc.) (1577–1645), also known as Mehr-un-Nisaa, was an Empress of the Mughal Dynasty, of Persian origin whose tomb lies in Lahore, Pakistan.
(http://en.wikipedia.org/wiki/Nur_Jehan)


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Note added at 19 mins (2010-04-16 11:28:05 GMT)
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Mehr-un-Nisaa received the name Nur Mahal (Light of the Palace), upon her marriage in 1611 and was conferred the title Nur Jahan (Light of the world) in 1616.
(http://en.wikipedia.org/wiki/Nur_Jehan)