How old was Mother Teresa when she became a nun?

Answer:
The thought of even becoming a nun didn't even occur to Mother Teresa until she was eighteen, she then moved out of her mother's house and joined the Loreto Sisters of Dublin. She was eventually sent to teach in Calcutta, where she later felt called to work with the poorest of the poor.
First answer by ID3496768582. Last edit by Albanman. Contributor trust: 174 [recommend contributor recommended]. Question popularity: 13 [recommend question].