I found two saints named Emily - Emily of Rodat and Emily of Vialar. Neither is a patron saint.
Clare's only patronage is of the town of Montefalco, Italy.
There is a saint named Therese and several others named Teresa but I can find no saint named Theresa.
His areas of patronage derive from the miraculous healings that occurred at his tomb.
Catherine does not have any patronages assigned at this time.
Saint of the Sick and those who have lost parents.
His only patronage is of Genzano di Roma, Italy.
Patronage of St. UrsulaBritish Virgin IslandsCatholic education (especially of girls)Cologne, Germanyeducatorsholy deathschoolchildrenstudentsteachersUniversity of Paris
following ex. according to Emilys idea Following Emilys idea
St. Clare of Assisi is not a patron saint of any country.
There are at least 100 saints named John so you need to be more specific.
There are at least two saints that fit that patronage - St. Gabriel the Archangel and St. Expeditis. Yes, there is a Saint Expeditis. Really!
St. Matthew the apostle, once a tax collector, is patronage of financial matters.