There is no saint for mother earth.
If you are referring to the Blessed Vrgin Mary, her mother's name was Saint Anne.
The mother of Saint David of Wales is thought to have been saint Non.
Blanche of Castile was the mother of Saint Isobel.
Saint Monica is the mother of St. Augustine.
Saint Augustine of Hippo's mother was St. Monica.
If you are referring to Augustine of Hippo's mother's her name was "Saint Monica".
No, Saint Patrick's Day is not Mother's Day. Saint Patrick's Day and Mother's Day are two way different holidays.
Mother Teresa has been beatified but not yet declared a saint.
There is no mother superior of Saint Peter's Basilica.
There is no such patron saint.
There is a Saint Non who was the mother of Saint David of Wales.
Her mother was Saint Sophia and her sisters were Saint Hope and Saint Faith. The three girls were martyred and her mother died a few days later of a broken heart.