King St. Louis IX was canonized in the year 1297 by Pope Boniface VIII. Exact day unknown.
Florence Nightingale is not a canonized saint.
Blessed Isabella of France, the sister of King St. Louis IX, was beatified in 1520 but has not been canonized. She is not yet a saint.
Florence Nightingale is not a canonized saint.
The date that st valentine was canonized is unknown. records do not date back that far; saints were also not formally canonized during this time. (i am writing about the st valentine in which valentine's day was named for)
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.
The five canonized saints are St. Francis of Assisi, St. Therese of Lisieux, St. Teresa of Avila, St. John Paul II, and St. Mother Teresa.
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.
Isabel is the sister of King St. Louis IX of France. She has been beatified but has not been canonized as a saint.