How do you pronounce Louis?

I say lou-ee (and I’m not American). Since both pronunciations are well established, it wouldn’t be hard to correct in my opinion.

Louis/Lewis = lou-iss
[name_u]Louie[/name_u] - lou-ee
[name_f]Lois[/name_f] = low-iss
[name_u]Louise[/name_u] = lou-ees/lou-eez

I pronounce [name_m]Louis[/name_m] as “loo-ee” and [name_m]Lewis[/name_m] as “loo-is” (for context, I’m Australian). I always assume [name_m]Louis[/name_m] is the “ee” pronunciation because of the original [name_u]French[/name_u].