LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Iallius

Iallius m sg (genitive Ialliī or Iallī)
Classical[ˈjal.li.ʊs]Ecclesiastical[ˈjal.li.us]

Meaning

  1. masculinesingulara Roman nomen gentile, gens or "family name" famously held by
  2. masculinesingularMarcus Iallius Bassus, a Roman senator and general

Declension

declension
formsingularplural
nominativeIallius—
genitiveIalliī
Iallī		—
dativeIalliō—
accusativeIallium—
ablativeIalliō—
vocativeIallī—

Quick answers

What does Iallius mean in Latin?
Iallius, a proper noun, means “a Roman nomen gentile, gens or "family name" famously held by”.
What is the genitive of Iallius?
The genitive singular is Ialliī. Iallius is masculine, second declension.
How do you pronounce Iallius?
In classical Latin, [ˈjal.li.ʊs]; in ecclesiastical (church) Latin, [ˈjal.li.us].