Zachariah was not canonized. He was declared a saint by the early Christian community since Our Lord had chosen him to be the father of the forerunner of Jesus - John the Baptist. The canonization process did not become instituted until about the 12th century.
There are several saints named Zachariah in Christian history, including St. Zachariah the Prophet in the Old Testament and St. Zachariah the father of St. John the Baptist in the New Testament. St. Zachariah is venerated for his role in preparing the way for the coming of Jesus.
St. Francis Xavier was canonized with fellow missionary St. Ignatius in 1622.
St. Eligius was canonized in the Pre-Congregation era. This was when people were often canonized because of their popularity while they were alive.
St. Etheldreda was canonized by Pope Celestine III in 1198.
St. Anselm was canonized in 1494.
There are thousands of canonized saints, not just five.
No, Saint Patrick was never formally canonized
Yes, St. Odilia was canonized. She is known as a patron saint of the blind and visual difficulties.
St. Clare of Assisi was canonized on September 26, 1255, by Pope Alexander IV.
Catherine was canonized in July of 1461 by Pope Pius II.
Juan Diego was canonized on July 31, 2002.
Maria Goretti was canonized by Pope Pius XII.