Trained at Royal Scottish Academy of Music and Drama (now known as the Royal Conservatoire of Scotland).
McAvoy and Jessica Brooks were the first actors to tackle the complex roles Leto II & his twin sister Ghanima Atreides, the strange prescient Children of Dune (2003) based on Frank Herbert's novel of the same name. Although Leto and Ghanima were only nine years old in the novel, their ages were bumped up about seven years, making them about sixteen for the Sci-Fi Channel's miniseries in March 2003.
His younger sister is Joy McAvoy, also an actress who appeared as 'Estelle' alongside McAvoy in Filth (2013).
His parents divorced when he was seven.
As a child, he wanted to become a missionary because he wanted to travel the world.
After his parents divorced, McAvoy and his sister moved in with their maternal grandparents, James and Mary Johnstone.
After growing up in Glasgow, he moved to London at the age of 20.
Before he went into acting, he wanted to join the Navy.
While filming The Chronicles of Narnia: The Lion, the Witch and the Wardrobe (2005), Georgie Henley never saw McAvoy in his Mr. Tumnus costume before filming their scenes together. Henley's scared reaction upon seeing McAvoy is genuine surprise.
Former roommate of Jesse Spencer when they were both living in London.
Fan of Celtic Football Club.
Joe Wright considered him for a role in his Pride & Prejudice (2005). Both director and actor refused to name the part.
Born to James McAvoy, a bus driver-turned-builder, and his then-wife Elizabeth (Johnstone), a psychiatric nurse.
Attended St. Thomas Aquinas Secondary in Jordanhill, Glasgow. Also attended by Tom Mannion.
Enjoys science fiction, including Star Trek (1966) and the new Battlestar Galactica (2004).
Was ranked #18 on Entertainment Weekly's '30 Under 30' the actors list. (2008).
While growing up, he wanted to be a priest.
Chosen as one of People Magazine's Sexiest Men Alive for 2007.
Worked out to improve his physique for the action scenes in Wanted (2008). However he suffered several injuries during shooting, including a twisted ankle and an injured knee.
Said the script for Atonement (2007) was the best he had ever read.
Is good friends with actors Tom Ellis and Benedict Cumberbatch.
His favorite director is Ken Loach.
Was inspired to become an actor after meeting actor/director David Hayman.
Among his favorite movies are The Goonies (1985), Back to the Future (1985), The Great Escape (1963), Brief Encounter (1945), Kes (1969) and My Name Is Joe (1998).
Became a father for the first time at the age of 30 when his wife (now his ex-wife) Anne-Marie Duff gave birth to their son Brendan McAvoy in February 2010.
His fans refer to themselves as "McAvoyeurs".
Has a younger half-brother named Donald.
Has said he is "desperately allergic" to horses and suffered terribly while shooting scenes for 'The Conspirator'.
Former member of Pace Youth Theatre. Other members included Barry Arthur McKay, Shauna MacDonald, Paolo Nutini, Martin Quinn and Gordon McCorkell.
Nominated for a Best Actor Olivier Award for his performance in "Macbeth" (2013).
McAvoy and Anne-Marie Duff were married at a celebrity-free ceremony at the 19th century Drumtochty Castle in Aberdeenshire. McAvoy didn't invite any co-stars 'because he didn't want the day to be about being famous'.
At the London premiere of Danny Boyle's film Trance (2013) in March 2013, McAvoy apologised to reporter Sophie van Brugen when he accidentally spat on her during a red carpet interview.
Keeps an apartment in the centre of Glasgow for family visits.
Worked as a trained confectioner for two and a half or three years in order to fund drama school.
At McAvoy's request, he was punched in the face by a German actress during the making of Filth (2013).
Is close friends with X-Men co-star Michael Fassbender.
He has two roles in common with Patrick Stewart: (1) McAvoy played Macbeth in ShakespeaRe-Told: Macbeth (2005) while Stewart played him in Great Performances: Macbeth (2010) and (2) Stewart played Professor Charles Xavier in X-Men (2000), X-Men 2 (2003), X-Men: The Last Stand (2006), X-Men Origins: Wolverine (2009), The Wolverine (2013) and X-Men: Days of Future Past (2014) while McAvoy played him in X-Men: First Class (2011), X-Men: Days of Future Past (2014) and X-Men: Apocalypse (2016).
On 9 March 2015, McAvoy was nominated for a Best Actor Olivier award for his performance as Jack, the 14th Earl of Gurney in "The Ruling Class" (2015). The award ceremony takes place at the Royal Opera House in London's Covent Garden on Sunday 12 April.
In April 2015 McAvoy pledged £125,000 to help fund a ten-year scholarship programme at his former drama school, the Royal Conservatoire of Scotland (RCS). The fund will help those aged 25 and under who would otherwise be unable to afford tuition at the school. Applicants will need to demonstrate that financial cost is the main barrier to their accessing pre-higher education drama training at the RCS.
 Drives an Audi RS3.
His first car was a Citroen C3 Picasso.
Crashed a 1980s Porsche 911 on the set of Atomic Blonde (2017) when a stunt went wrong.
Passed his car driving test at the age of 30, although he had ridden a motorcycle for many years.
An addiction to Xbox while he was filming Becoming Jane (2007) made him forget his lines.
McAvoy broke his hand on the set of Split (2016) after he got angry at not getting a scene. He became so annoyed with his performance that he ended up hitting a door, which he thought was a fake door, but it was a solid metal door. Viewers can see that James's hand is injured during the scene where he's on a train and he's putting on his glasses.
In order to secure a career in Hollywood, McAvoy masked his Glaswegian accent, often convincing directors and producers that he was English. Even M. Night Shyamalan was fooled when he cast him in Split (2016); the director thought all along that he was English.