Younger brother of Arthur Wahlberg, Donnie Wahlberg and Robert Wahlberg.
Named one of "People" magazines 50 Most Beautiful People in the World. [May 1992]
His older siblings are: Arthur Wahlberg, James, Debbie, Michelle, Paul, Tracey,Robert Wahlberg and Donnie Wahlberg. Robert, Donnie and Mark are from their mother's third marriage with Donald Wahlberg. Half Siblings from his dad's side of the family Scott Wahlberg, Buddy Wahlberg and Donna Wahlberg.
Was originally cast as Linus Caldwell in Ocean's Eleven (2001) but dropped out.
December 2001 - Bought a 5 million dollar mansion in Beverly Hills, and moved his mother in.
His music group, Marky Mark and the Funky Bunch, debuted on "The Arsenio Hall Show" (1989) in the late 1980s.
[September 2, 2003] His first child with Rhea Durham, a girl named Ella Rae was born at 4.am at Cedars-Sinai Medical Center in Los Angeles. The baby weighed in at 7 pounds, 4 ounces.
He said in one of the featurettes in The Italian Job (2003) DVD that he thought about doing the movie because it was going to be his third remake in a row (if you don't count Rock Star (2001)) after The Truth About Charlie (2002) and Planet of the Apes (2001).
Is of Swedish, Irish, German and French Canadian descent.
Narrated the documentary Juvies (2004) along with The Italian Job (2003) co-star Mos Def (Mos Def supplied poetry).
His older sister Debbie passed away on September 2nd, 2003, leaving behind a teenage son. She died the same day Mark's first child Ella Rae was born.
Has a tattoo of Bob Marley on his left shoulder.
Is very close to his mother.
Older brother, Donnie Wahlberg, was a member of the boy group New Kids on the Block.
Mark and Rhea Durham, welcomed their second baby and first son, Michael Wahlberg, on March 21, 2006.
Has a summer home in Wrentham, Massachusetts.
Turned down the role of "Hero" in Feast (2005).
Turned down the lead role of "Jake Roenick" in Assault on Precinct 13 (2005).
Martin Scorsese directed Wahlberg to his very first Academy Award nomination as "Sgt. Sean Dignam" in The Departed (2006). Wahlberg has said that it's one of the roles he is most proud of.
Friends with Leonardo DiCaprio.
Considers The Truth About Charlie (2002) his worst film.
He and some friends were actually booked to fly on one of the planes that crashed in to the twin towers on September 11, 2001. Originally planning on flying from Boston to Los Angeles but at the last minute they decided to charter a plane to Toronto, Canada for a film festival and then from there to Los Angeles. A near brush with death that he still dreams about today. "We certainly would have tried to do something to fight. I've had probably over 50 dreams about it."
Ranked #65 on VH1's 100 Sexiest Artists.
His father Donald E. Wahlberg, a veteran of the Korean War, died on 14 February 2008.
As of 2008, he earns a reported $12-15 million per film plus a percentage of the back end profits.
While performing as Marky Mark and the Funky Bunch he often wore nothing but underpants on stage. Calvin Klein consequently asked him to model for Klein's underwear line.
Was originally a member of New Kids on the Block, but left the band before they had their big break.
Through being a distant relative of Madonna, he is also one of Céline Dion.
Had to spent about 60 days in the House of Correction in Massachusetts when he was a teenager.
Was a drug dealer as a young teenager.
His mother's maiden name is Alma McPeck.
Was born in St. Margarets's hospital in Boston.
Dropped out of school when he was 13.
Rhea Durham, gave birth to their third child, a boy named Brendan Joseph Wahlberg, on September 16, 2008. He weighed 7 lbs. 10 oz.
Has stated his performance as Max Payne in Max Payne (2008) as his favorite role.
Has stated that he struggled with weight gain his whole life.
Was briefly sent to prison for two 1988 incidents in which he attacked, beat, and yelled ethnic slurs at two Vietnamese men in Dorchester, Massachusetts. Both incidents were unprovoked by the victims, and in the second attack, Wahlberg beat and permanently blinded in one eye a man who was trying to help him escape from the police after the first attack.
Ranked #1 on VH1's "Hottest Hotties of the 90's".
Was spoofed by Andy Samberg on "Saturday Night Live" (1975). After the first skit premiered Wahlberg jokingly acted as if he was offended when appearing on "Jimmy Kimmel Live!" (2003) ("Jimmy Kimmel Live!: Episode #6.141" (2008)), but he eventually appeared in SNL ("Saturday Night Live: Josh Brolin/Adele (#34.5)" (2008)) going along with the joke.
He and his wife, Rhea Durham, welcomed their fourth child, Grace Margaret Wahlberg, on January 11, 2010.
Paid $8.25 million to purchase a 6.14-acre, vacant lot in Beverly Hills, California's Beverly Park neighborhood where he plans to custom-build a mansion on the property. 
Received a star on the Hollywood Walk of Fame on July 29, 2010.
Married long time partner, Rhea Durham, at a private Catholic ceremony in Beverly Hills, California [August 1, 2009].
On September 11th 2001, Wahlberg and several friends were due to take flight United 93 from his native Boston to Los Angeles. At the last moment, they decided to hire a charter flight to a film festival in Toronto. United Airlines flight 93 went on to crash in a Pennsylvania field as passengers fought to overpower four Al-Qaeda hijackers who intended to use the plane to attack Washington DC.