- "Though hotly denied by subsequent generations, there is ample evidence to suggest that the first Lucius Malfoy was an unsuccessful aspirant to the hand of Elizabeth I, and some wizarding historians allege that the Queen's subsequent opposition to marriage was due to a jinx placed upon her by the thwarted Malfoy."
- —Lucius Malfoy I in Malfoy family history[src]
At some point during his life, he aspired for the hand of Queen Elizabeth I of England. He was unsuccessful in his attempt to woo her. Although never proven, many wizarding historians believe this upset Lucius enough to make him jinx the Queen, resulting in her well-known reluctant behaviour towards marriage. This was denied by subsequent generations of the Malfoy family, but there has never been solid evidence to either belief.
- The name Lucius may come from the Roman dictator Lucius Cornelius Sulla, who extra judiciously executed his rivals. His name could also be a reference to the Roman Emperor Lucius Domitius Ahenobarbus, also known as Nero. Lucius is a name that derives from Latin meaning "bright" or "intelligent" and is related to the name Lucifer, the first name of Satan, which may reference Lucius Malfoy being bright but evil, or just evil.
- Malfoy is derived from the French mal foi or mal foy, meaning bad faith or unfaithful.
- A Latin male first name. A character in Shakespeare's play Julius Caesar, Lucius is the servant of Brutus, the leader of the conspirators who plot against and assassinate Caesar. This is ironic, as Brutus is the name of one of Malfoy's descendents.
- Pottermore (Mentioned only)