There are a number of patron saints named Thomas so you need to be specific.
The Patron Saint Index shows no patron saints of courage, including Saint Thomas.
SAINT THOMAS MORE Is PATRON SAINT OF POLITICAL LEADERS
The patron saint of geometricians is Thomas Aquinas.
Thomas Becket is the patron saint of:clergyExeter College, Oxford, EnglandPortsmouth, Englandsecular clergy
Thomas is not a patron of any countries but is the patron of:clergyExeter College, Oxford, EnglandPortsmouth, Englandsecular clergy
The patron saint of the Chaldean Catholic Church is Saint Thomas the Apostle. He is considered the patron saint because of his role in spreading Christianity to the Chaldean people in ancient Mesopotamia.
There are a number of saints named Thomas so you will need to be more specific.
Saint Thomas the apostle and Saint Barbara are the patron saints of architects The patron saints of architects are:
Sir Thomas More
Thomas the Apostle is the patron saint of:against blindnessagainst doubtarchitectsblind peoplebuildersCertaldo, Italyconstruction workersCeylonEast IndiesgeometriciansIndiamasonsPakistanpeople in doubtSri Lankastone masonsstonecutterssurveyorstheologians
There is no specific patron saint of ideas, but St. Thomas Aquinas is often associated with intellect and learning. He is considered a patron saint of students and scholars.
The patron saint of surveyors is St. Thomas the Apostle.