No she was not. She was Protestant.
Because her husband, Henry the eighth was protestant, and would execute her if she was catholic.
Jane Seymore
Edward the sixth was Jane Seymore's son
Lady Jane Grey was protestant christian.She was in her personal belief something of a protestant believer! She was still, however, a member of the Anglican Church! In other words ultimately a Catholic!
Jane Seymore is a very famous actress. She was born in England in 1951 and stidied in The Arts Education School. She played in James Bond's movie "Live and Let Die". Seymore earned an Emmy nomination in 1976 for the miniseries "Captain and the Kings"
Jane Seymore
Historians are not really certain of the year of Jane Seymour's birth, it is circa 1504 to 1509.
Henry VIII started of as a Catholic, became a Protestant, although he later undid many of his reforms creating the Church of England that's a cross between the Catholic Church and Evangelical churches. Catherine of Aragon was a Catholic. Anne Boleyn was a Protestant. Jane Seymour accepted her husbands religion, although many sources said that she was a Catholic at heart. Anne of Cleeves was a strong Protestant. Catherine Howard was a protestant. Catherine Parr was also a strong protestant. ------ The Children ----- Edward was brought up a protestant, as was Elizabeth, but Mary was brought up a firm believer in the Catholic faith.
Jane Seymour was a devout Catholic, which was a reason for people who favored the English Protestant Reformation to dislike her and people who favored the old Church liked her.
She was a Protestant
Jane Seymour was Roman Catholic, but became a Protestant. When Great Britain became a protestant country.