- Considers herself to be a Feminist and tries to steer clear of the "stereotypical roles for teenage girls"
because she finds them to be "sexist"
- Likes coats with hoods
- Was bitten on the toe by a rabbit when she was about three
- Shares the birthday with actors Alan Rickman, Kelsey Grammar, Jennifer Love Hewitt, Mélanie Laurent, Jack Coleman, Corbin Bleu and Scout Taylor-Compton
- After filming the movie “Marion Bridge” (2003) she realized acting is what she wanted to do for the rest of her life
- Played football in the position of right wing / midfield in the women team of Halifax in her youth
- Her soccer nickname was “Peeps”
- Got her nickname "The Tiny Canadian" from her roommates in New York City
- Is good friends with her “X-Men: The Last Stand” co-star Ben Foster
- Had to wear hair extensions for “X-Men: The Last Stand” as she had shaved her head bald for her role in the previous movie “Mouth to Mouth”
- Third actress to play Kitty Pryde / Shadowcat, replacing Katie Stuart from X2, who replaced Sumela Kay from X1
- She originally turned down the role of Kitty Pryde in “X-Men: The Last Stand” until director Brett Ratner personally contacted her and talked her into it
- Attended Vaughan Road Academy (VRA) in Toronto in the Interact program for 2 years and was classmate with actor and close friend Mark Rendall
- After attending three different high schools, she graduated from the Shambhala School in Halifax, though she only attended Shambhala for Grade 12
- Is friends with Olivia Thirlby, who was her co-star in “Juno”
- Was in the play "Charlie and the Chocolate Factory" in 5th grade and played Charlie
- Considers Patti Smith her role model and Kate Winslet her favorite actress
- Ranked #1 on interview magazines Hollywood faces to watch "future stars of tomorrow" Along with Kellan Rhude
- As of 2008 she is the fifth youngest actress to receive a Best Actress Academy Award nomination at the age of 20 years and 335 days after receiving a nomination for her performance in “Juno” (2007). The younger actresses are Keira Knightley, aged 20 years and 311 days, for her role in Pride & Prejudice (2005), Isabelle Adjani, aged 20 years and 235 days, for her role in Histoire d'Adèle H., L' (1975), and Keisha Castle-Hughes, aged 13 years and 309 days, for her role in Whale Rider (2002)
- Before his death in January 2008, Ellen had discussed with Heath Ledger the idea of starring in his directorial debut, “The Queen's Gambit”.
- Was the first choice for Christine in Sam Raimi’s 'Drag Me to Hell'(2009), but was forced to pass due to scheduling difficulties. That part later went to Alison Lohman
- Supported the US Campaign for Burma in May 2008, calling for an end to the military dictatorship in this country
- Gives her voice to pop teen singer “Alaska Nebraska” in the 20th season of The Simpsons
- Has a cocktail (mixed by Skyy Vodka) named after her. The so-called ”The Page Pucker” is a simple pink grapefruit juice and vodka combo, topped with a raspberry
- In fall 2008 she participated in permaculture projects at Lost Valley Educational Center in Dexter, Oregon
- Served as a spokesperson in a series of ads for Cisco Systems
- Supported CTV’s “London 2012 BELIEVE Campaign”
- Made a guest appearance as Lindsey in an episode of the American animated sitcom "Family Guy”
- Supported Kate Winslet's coffee-table book "The Golden Hat: Talking Back to Autism," which raises awareness of the illness
- She was offered to play Vanessa in “The Oranges”, but turned it down because she thought she isn’t right for that part and her Alia Shawkat (who auditioned for the role as well) would be so much better for it.
- On February 14, 2014 she publicly came out as gay at Human Rights Campaign's Time to Thrive conference in Las Vegas