How did The Beatles get their name?

They briefly called themselves the Blackjacks, before changing their name to the Quarrymen after discovering that a respected local group was already using the other name.

Later the three guitarists in the band, billing themselves at least three times as Johnny and the Moondogs, were playing rock and roll whenever they could find a drummer

Lennon's art school friend Stuart Sutcliffe, who had recently sold one of his paintings and was persuaded to purchase a bass guitar, joined in January 1960, and it was he who suggested changing the band's name to Beatals, as a tribute to Buddy Holly and the Crickets. They used the name until May, when they became the Silver Beetles, before undertaking a brief tour of Scotland as the backing group for pop singer and fellow Liverpudlian Johnny Gentle. By early July, they had changed their name to the Silver Beatles and by the middle of August to the Beatles.