Sir James Paul McCartney was a musician and songwriter in the 20th century, and was a member of the Beatles. (AUDIO: 1963: Fanfare for the Common Men) Rita described him as "nice!" (AUDIO: 1963: Fanfare for the Common Men) Paul McCartney was also part of the band Wings. They sang the songs "Magneto and Titanium Man" and "Band on the Run". (PROSE: Slow Decay)
Peri Brown's mother Janine Foster used to worship McCartney. (AUDIO: The Eye of the Scorpion)
In 1965, McCartney performed "Ticket to Ride" with the Beatles, which was watched aboard the TARDIS on a Time-Space Visualiser by the First Doctor, Ian Chesterton, Barbara Wright and Vicki Pallister, at Vicki's request. (TV: The Chase)
Conspiracist George Wilson suggested Paul McCartney was replaced by a look-a-like between 1967 and 1970. (AUDIO: The Conspiracy)
In 1970, McCartney left the Beatles. (PROSE: The Devil Goblins from Neptune)
Isobel Watkins had a picture of him from after he had married Linda Eastman. (PROSE: Who Killed Kennedy)
At some point, the Tenth Doctor took Donna Noble to see the Beatles play "My Bonnie" at The Cavern Club. Donna told Paul not to marry Heather. (COMIC: The Time of My Life)
In the mid 2000s, Jack Harkness named an alien tapeworm after Paul McCartney. (PROSE: Slow Decay)
Alternate timeline
In an alternate timeline created by Lenny Kruger in which the Common Men rose to prominence in place of the Beatles, McCartney never pursued a musical career and was instead a clerk at a shipping office in Liverpool. He knew the Common Men from a pub in Hamburg, and wanted to give them some of his songs. (AUDIO: 1963: Fanfare for the Common Men)