Yes he was.
Quarrymen
yes and no. before the beatles john had a band called the Quarrymen, with other people. then Paul joined that and after him George. Ringo was the only official one to join a the band when it was named The Beatles. paul wasn't the second one to join the quarrymen either, but he was the second beatle to join the quarrymen.
George Harrison?
The Beatles? they were earlier called The quarrymen and breifly changed there name to the silver beatles. Lennon formed the band and later McCartney joined and then Harrison and then best. However Ringo Starr soon replaced him after the other 3 Beatles had disagreements with him.
Most Beatle historians would say it's the Quarrymen performance at the Woolton Fete on 6th July 1957. Woolton is a district of Liverpool. The Quarrymen were Lennon's first group. Paul McCartney was introduced to Lennon after the performance and shortly after McCartney was invited to join the band.
He formed The Beatles with Paul McCartney and others, first called the Quarrymen, then into The Beatles, where the members of the band have changed into John Lennon, Paul McCartney, George Harrison, and Ringo Starr in 1962, which marked their beginning.
200
They were part of a group called the Quarrymen, then they were called the Beatles.
In 1957, John Lennon created a band named "The Quarrymen" and invited Paul McCartney to join in that same year, the first two Beatles.
He didn't have any; he was only 15 at the time.
Paul McCartney was the leader of "The Wings"
John Lennon formed the Quarrymen with some school friends in March, 1957. Paul McCartney joined in July and George Harrison joined in February, 1958.