Loui Last Name: Meaning and Heraldic Roots

The last name Loui is another written form of Louis, a well-known French family name. The family name meaning is “Famous in battle”, the same as for Louis. Loui drops the “s” of Louis, a simplification that clerks often made. Census takers and immigration officers often wrote what they heard. Related forms: Louie and Loys.

According to the 2010 US Census, the Loui surname had 420 bearers.

Arms linked to Louis and its spellings were granted to individual families; our heraldry team traces which line they belonged to. For the full story, order the Loui surname pack.