Yes:
There are several saints named Joan, Joana or Joanna but no saints named Joeanne.
There are saints named Sophia or Sofia as well as saints named Rose.
There are no saints named Janet but there are a number of saints named Jane.
Some are named after saints, mostly the apostles.
Yes they do. They have three children named James Sirius (named after Harry's father, and godfather), Albus Severus (named after Albus Dumbledore and Severus Snape), and Lily Luna (named after Harry's mother and parent's dear friend Luna Lovegood). (Named from oldest to youngest.)
albus severus potter
There are a number of saints named Thomas so you will need to be more specific.
There are no saints named Danny but there are a number of saints named Daniel from which the name derives.
Some hospitals, especially those run by, or founded by, Catholics, are named for saints.
The New Orleans Saints were not named for a particular saint. The team's name was inspired by the song "When the Saints Go Marching In."
There are no saints named Page.
There are many saints named Margaret. Please be specific.