His mother, Kay, is a schoolteacher.

Lived briefly in Australia following high school and adopted an Australian accent for awhile after returning to the USA.

Education: University of Texas at Austin (Film)

Graduated 1988 from Longview High School, Longview, Texas.

Brother of Rooster McConaughey.

Arrested in Oct 1999 in Austin, TX for "resisting transportation" after first being under suspicion for marijuana possession.

Police responded to a disturbance call at Matthew's home in Austin, Tx. in October. When they arrived, the music was blaring and he was playing bongo drums in the nude. He was with an unknown man and police attempted to arrest him after spotting illegal drugs. He resisted arrest.

Member of Delta Tau Delta Internation Fraternity.

Was the first choice to play the lead in Titanic (1997).

Dated Ashley Judd.

Dated actress Sandra Bullock.

Travelled around Peru after filming Time To Kill, A (1996).