In the Japanese version, Lillie uses 'watakushi', a personal pronoun which, when used outside of formal situations, makes a character seem either "prim and proper", "cultured", or "snobby".

[4] In these games, she does not depart for Kanto, and instead becomes a trainer in Alola, assisting the player in stopping Team Rainbow Rocket in the postgame.

She also appears in the second episode of Pokémon Evolutions, which recounts the events that took place at the Altar on Poni Island as they are depicted in the Ultra games.

[6] People who pre-ordered the Figma figurine from either Good Smile or Pokémon Center Online got a hand dryer or hair brush respectively.

[7] Lillie has also appeared multiple times in the Pokémon Trading Card Game in its Sun and Moon expansion sets.

[10] Allegra Frank and Simone de Rochefort of Polygon regarded Lillie as one of the best women in video games in 2016.

"[13] Dan Van Winkle of The Mary Sue expressed hope that a followup to the Sun and Moon games would star Lillie in the setting of Pokémon Red and Blue.

[15] Meanwhile, Emily Reuben of Ball State Daily criticized Sun and Moon for devoting too much time to Lillie and taking away from the player character's story.