In the 1960's the Roman Catholic Church took at look at many saints on the calendar to see if there was any true historical data that the person really lived, or if they did, lived a life that would qualify them for sainthood. Christopher was one of those removed.
St. Christopher was neither beatified nor canonized.
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.
Christopher was not canonized in 1960. He is a legendary saint who may, or may not have existed. Tradition tells us he was a martyr for his faith in the early years of the church. There was no official canonization process at the time so Christopher would have been declared a saint by popular acclamation, probably to a bishop.
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.