What does "lennon" mean?

A surname from Irish, notably of John Lennon (1940–1980), one of the Beatles.

What is a synonym for "lennon"?

Common synonyms include: family name, last name, surname.

/ˈlɛn.ən/ name

name ·Rare ·Advanced level

Proper Noun

1
A surname from Irish, notably of John Lennon (1940–1980), one of the Beatles.
"'He means the other Lennon,' Slowey's voice said. ' John Lennon from the Beatles.' And Farley saw him then, on the bend of the counter smoking a cigar. Slowey then turned to the barman, '... and he means the other Lenin, you know, the Russian revolutionary?'"
2
A unisex given name transferred from the surname, of modern usage.
3
A commune in Finistère department, Brittany, France.
4
A village in Venice Township, Shiawassee County and Clayton Township, Genesee County, Michigan, United States.

"Why do many people like John Lennon so much?"

From Irish Ó Leannáin (“descendant of Lover (Leannán)”) and from Ó Lonáin (“descendant of Blackbird (Lonán)”).