I can find no canonized saint named Cassandra.
No, there is no saint named Kennedy.
I can find no saint named Chelsea.
There is no saint named Shined.
There is no saint named Ellen. However, the name derives from Helena and there is a saint named Helena
No, Muireann is not a saint name.
There is no canonized saint by that name.
There is no saint named Macy.
No, there is no saint named Shania.
There is no saint named Lee.
There is no saint named Meredith.
There is no saint named Ashling.
There is no saint named Carol. However, the name is derived from the name Carolus (Charles) and there are a number of saints named Charles.