A few examples:
Blessed Virgin Mary
Saint Joseph
All the apostles
Saint Nicholas of Myra
Saint Patrick
Mt Pompeii and Mt Saint Helens
Yes, Saint Peter is really a saint. If he were not a saint he would not have that title.
Yes, St. Thomas the Apostle is really a saint.
There is no canonized saint named Ebony.
Saint George.
I can find no saint named Blaius.
Which Saint Augustine? There are several.
Saint Jorge and Saint Patrick
yes
Saint Patrick is the best known of the Irish saints.
Which Saint Augustine? There are several.
Saint Joan of Arc