Khayrat, Khayriyya. Khairunnisa (Arabic: خير النساء‎‎) is an Arabic female given name. The name is transliterated as Hayrünnisa in Turkey. Khair means peace and "nisa" or "nissa" means lady, so the complete name means "Lady Of Peace" or other translations show that the names means 'The Best Of Women' .
The name Nessa is a Greek baby name. In Greek the meaning of the name Nessa is: Poor, pure, or chaste. St. Agnes was a 3rd century Christian martyr whose January 21st feast day is described in Keats' poem 'The Eve of St Agnes'. Agnes was popular until the Reformation, then revived in the 19th century.Pure.