There are several saints named Teresa so you need to be more specific. Each one has a different feast day.
I am not sure which of the many Teresas you are referring to but there were many, many female saints long before any of them were canonized.
Mother Teresa's dad died in 1919, so she was about 9 years old
Theresa Olivas is owner of Milagros casa de Teresas tamales
Mother Teresa's favorite prayer was the "Radiating Christ" prayer. It reflects her desire to spread love and compassion to others in the same way that Christ did.
they have none
There is no Saint Patrick27 Day.
A saint's feast day is a day we remember a particular saint and the life he or she led.
It is Saint Patrick's Day, not Saint Patties Day.
You have it backwards. Saint Patrick's Day was named after Saint Patrick. March 15 is the Catholic feast day of Saint Patrick.
No, Saint Patrick's Day is not Mother's Day. Saint Patrick's Day and Mother's Day are two way different holidays.
It may be the day they died (became a saint) or it can be almost any day. There is no firm rule.
A Saint's feast day falls on whatever day was chosen by the church. It could be a date that has significance to the Saint or a random day.