LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Hirrius

Hirrius m sg (genitive Hirriī or Hirrī)
Classical[ˈhɪr.ri.ʊs]Ecclesiastical[ˈir.ri.us]

Meaning

  1. masculinesingulara Roman nomen gentile, gens or "family name" famously held by
  2. masculinesingularMarcus Hirrius Fronto Neratius Pansa, a Roman senator

Declension

declension
formsingularplural
nominativeHirrius—
genitiveHirriī
Hirrī		—
dativeHirriō—
accusativeHirrium—
ablativeHirriō—
vocativeHirrī—

In the Academy Smith's classical dictionaries

Biography & mythologyHirriusHirrius. C., son perhaps of------- Hirrius, praetor in B. C. 88, was remembered as the first private person who had sea-water stock-ponds for lampreys…

Quick answers

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