There are multiple origins and meanings for the name Raisa:
1. East Slavic (Russian Раиса) form of the Arabic name Raisah etymology - "matron; noble lady, she-president", the female equivalent of the male name Rais.
2. Comes from the Slavic word рай [ray] meaning - "paradisiacal; from Eden; of heaven".
St Raisa (Irada)