The Mad Cavalier
Preserved but no longer current.
Prince Rupert (1619-82), noted for his rash courage and impatience of control He was a grandson of James I, through his mother, Elizabeth, and was famous as a cavalry leader on the Royalist side during the English Civil War.
Era: ca. 1898 (Victorian)
Sources & notes
Reproduced from Brewer’s Dictionary of Phrase and Fable (1898 edition, public domain; archive.org, retrieved 2026-07-31; OCR text, minor errors possible). Reflects the scholarship and attitudes of its era.
Common questions
What does “The Mad Cavalier” mean?
Prince Rupert (1619-82), noted for his rash courage and impatience of control He was a grandson of James I, through his mother, Elizabeth, and was famous as a cavalry leader on the Royalist side during the English Civil War.
Is “The Mad Cavalier” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.