Many trendy/popular boys names in the last 20 years are actually quite classic. Biblical names like
Eli,
Ezra,
Elijah,
Ethan,
Nathan,
Elias, and
Noah are very old classics; they are just having a moment in the sun. Almost anything Biblical will probably have the ring of a classic to many English speakers.
Some names of boys from my generation (millennial) that I think are not classics (and are not on your list, I think) includes:
MitchellMarshallTroyShawnDwayneTrevor