St. Joseph is the Patron Saint of the Universal Church.
The patron saints of Catholic schools are St. Thomas Aquinas and St. Ursula.
There are patron saints of artists but no designated patron saint of art history.
Patron saints are specifically designated as protectors or guardians of certain groups of people or places, while Catholic saints are individuals who have been recognized by the Catholic Church for living holy lives. Catholic saints may be invoked as intercessors in prayer, but patron saints have a specific focus based on their designated patronage.
The Catholic Church, which assigns patronages, has no patron saint of Freemasons. If the Freemasons have adopted patron saints they are not officially recognized by the Catholic Church. In the United States, the patron saints of Freemasonry are Saint John the Baptist and Saint John the Evangelist.
Saint Thomas Aquinas is considered the patron saint of Catholic schools. He was a theologian and philosopher known for his scholarly contributions to Catholic education and his emphasis on the importance of reason in faith.
Perhaps one of the better sites for information about Catholic Saints is the Patron Saint Index.
Nearly all Christian countries have patron saints. There are a few countries that have Islam as a state religion and they do not recognize Catholic saints so have no patron. Saudi Arabia is an example.
There is no specific female Patron of Saints. Saints are recognized for their holiness and are venerated within the Catholic Church and other Christian traditions. They can serve as intercessors in prayer, regardless of their gender.
St. Francis Xavier is considered the patron saint of missions in the Catholic faith. He was a missionary in Asia during the 16th century and played a significant role in spreading Christianity in the region.
The patron saints against sudden death are:AldegundisAndrew AvellinoBarbaraChristopher
There are more than 10,000 Roman Catholic saints, but there may be more in other religons.