Lester Young vs Lester Willis Young

Lester Young and Lester Willis Young both are nouns.

Word	Noun	Adjective	Verb	Adverb
Lester Young	Yes	No	No	No
Lester Willis Young	Yes	No	No	No

As nouns, Lester Young and Lester Willis Young are synonyms defined as:

Lester Young and Lester Willis Young: United States jazz tenor saxophonist (1909-1959)

Other synonyms of Lester Young include Pres Young, Young.

Lester Young (noun)	Lester Willis Young (noun)
United States jazz tenor saxophonist (1909-1959)	United States jazz tenor saxophonist (1909-1959)