1092822 Tom thinks he knows why Mary decided to become a nun. CK 1 1886325 Are you really a nun? CK 1125088 The nuns are singing. Scott 1498830 Mary became a nun and opened an orphanage. Spamster 266330 When she became a nun, she took the name Sister Teresa. CK 32863 Mother Teresa was a Catholic nun who lived and worked in Calcutta, India. CK