Meaning of LOUIS in English

LOUIS

Lou ‧ is, Joe /ˈluːəs, ˈluːɪs, dʒəʊ/ BrE AmE

(1914–81) a US ↑ boxer , known as ‘the Brown Bomber’, who was world HEAVYWEIGHT CHAMPION from 1937 to 1949, which is the longest time that any boxer has held this title

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.