- When Irelia dies her blades stab her (whether this references or she loses control of them is uncertain)
- Ryan 'Morello' Scott nerfing Irelia the day before her release for 'being too annoying to play against' and the subsequent ones he gave her whenever another champion was deemed overpowered led to the birth of the 'Better Nerf Irelia' meme.
- Irelia and
sport floating objects behind their backs.
- These are called 'Mantles of Decorum' and are the highest decoration an Ionian can receive.
- According to Kuo-Yen 'Xypherous' Lo Irelia is based on from .
- Her name is the feminine version of obscure name Irelius, possibly from ira "wrath".
- In her old lore, she has a brother named Zelos, from Greek Ζῆλος "zeal".
- Rick 'ricklessabandon' Maher once described Irelia as a
and her blade as her .
- If this is the case, then bound Irelia's soul to her blade and, as a resut, she would die for good if they were to be destroyed.
- In French localization her jokes reference .
- "My blade is not only precise, but totally gnarly" goes hand-in-hand with Irelia riding her blade like a surfboard during her joke ('gnarly' is surfer slang for 'cool')
- Irelia shares quotes with:
- [ | ]
- She references .
- [ | ]
- Her pose references from .
- She resembles from .
- Her outfit resembles 's. [ | ]
- [ | ]
- She shares this theme with . [ | ]
- In Irelia's old lore, when Noxus invaded Ionia it was who saved Irelia from the brink of death.
- As a result, Irelia awakened her ability to control her father Master Lito's blade.