Had a short, unhappy marriage with her first cousin which ended when her husband's house mysteriously exploded and he was found conveniently dead in the garden. The acquitted perpetrator (James Hepburn) wedded Mary soon afterwards. The controversy caused enough of a stir that she had to flee for protection to her cousin Elizabeth I. Elizabeth protected Mary by restricting her to various locales in England for 18 years before having Mary's head removed just because Mary was conspiring against her and England.
Catholic historians often praised her while Protestants villified her.
At this time she had a cult for Mary Stuart and enthusiastic veneration for illustrious or unhappy women.
Gustave Flaubert. Madame Bovary
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‘This is where Mary Stuart used to say her prayers; I use it to keep my brooms in.’
Marcel Proust. In Search of Lost Time [volume 2]
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Nursie: ointment! That's what you need when your head's been cut off! That's what I gave your sister Mary* when they done her. "There, there" I said, "you'll soon grow a new one."
BBC. Blackadder, season 2: Head
*Nursie (as usual) is mistaken. Mary was her cousin, not her sister. Although she had a sister named Mary (Mary I -Bloody Mary), however her sister died of disease - not the axe.
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Ludwig: Yes, I thought some kind of disguise. You know, I do a very good Mary, Queen of Scots. [he turns away, rustles his hair, raises his shoulders and turns back to them, speaking in falsetto with a Scottish accent] "Hoots, mon! Whar's me heid?"