Ancient Greek, Animals, Battle/War, Black/Dark, Color, Gaulish/Celtic mythology, L names, Lion, Male, Mythology, Proto-Celtic, Proto-Indo-European, Surname names, Virtues/Attributes, Welsh


Lewis is the medieval English form of Louis, the French form of Ludovicus, the Latinized form of Germanic name Ludwig, from Chlodovech, meaning “famous battle” or “famous in battle” from Germanic elements hlud (famous) and wig (war, battle). It could also be used the anglicized form of Lughaidh (Lugaid), derived from Lugh.

Lewis is also a surname with two different sources. As an English surname it derives from the given name above; as a Welsh surname it’s the anglicized form of Welsh Llewellyn, a name of uncertain meaning though it could be the Welsh form of Celtic Lugubelenus, a combination of two names: Lugus and Belenus; Lugus is a Celtic god of commerce and craftsmanship who was equated with the Roman god Mercury. Though the exact origin of his name is unknown, it has been linked to Proto-Indo-European *leug- (black), leuk- “to shine”, and Proto-Celtic *lug- (oath). Belenus is also a Celtic sun god (equated with Apollo) whose name possibly means “bright” or “shining”. It may also be derived from Welsh llyw meaning “leader” or llew meaning “lion” from Proto-Brythonic *lew (lion) derived from Latin leo from an Ancient Greek source.

Nicknames: Lew, Lou, Louy/Louie

Origin: Proto-Indo-European, Proto-Celtic, Welsh, Ancient Greek



  • Louis (French, English, Dutch)
  • Loïc (French, Breton)
  • Ludovic (French)
  • Ludwig (German)
  • Lodewijk (Dutch)
  • Chlodovech (Ancient Germanic)
  • Clodovicus (Latinized Ancient Germanic)
  • Ludovicus (Latinized Ancient Germanic)
  • Clovis (French, Latinized Ancient Germanic)
  • Hludowig (Ancient Germanic)
  • Koldobika (Basque)
  • Lluís (Catalan)
  • Alojz (Slovene, Slovak, Croatian)
  • Alojzije (Croatian)
  • Alois (German, Czech)
  • Ludvík (Czech)
  • Ludvig (Danish, Swedish, Norwegian)
  • Ludoviko (Esperanto)
  • Lois (Galician)
  • Loís (Occitan)
  • Alajos (Hungarian)
  • Lajos (Hungarian)
  • Lúðvík (Icelandic)
  • Alaois (Irish)
  • Aloisio (Italian)
  • Alvise (Italian)
  • Lodovico (Italian)
  • Ludovico (Italian)
  • Luigi (Italian)
  • Luigino (Italian)
  • Ludis (Latvian)
  • Ludvigs (Latvian)
  • Liudvikas (Lithuanian)
  • Aloys (Medieval Occitan)
  • Aloysius (English)
  • Alojzy (Polish)
  • Ludwik (Polish)
  • Aloísio (Portuguese)
  • Luís (Portuguese)
  • Luisinho (Portuguese)
  • Luiz (Brazilian Portuguese)
  • Luis (Spanish)


Female forms:

  • Louisa (English, German, Dutch)
  • Louise (French, English, Danish, Swedish, Dutch, German)
  • Lovisa (Swedish)
  • Lovise (Danish, Norwegian)
  • Luise (German)
  • Luisa (Spanish, Italian)
  • Luiza (Polish, Romanian, Brazilian Portuguese)
  • Lluïsa (Catalan)
  • Alojzija (Slovene, Croatian)
  • Alojzia (Slovak)
  • Loviise (Estonian)
  • Loviisa (Finnish)
  • Louisette (French)
  • Louiza (Greek)
  • Lujza (Hungarian, Slovak)
  • Ludovica (Italian)
  • Luigia (Italian)
  • Luigina (Italian)
  • Luisella (Italian)
  • Liudvika (Lithuanian)
  • Ruiha (Maori)
  • Ludwika (Polish)
  • Luísa (Portuguese)
  • Luisina (Spanish)
  • Luisita (Spanish)



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