LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Māmercus

Māmercus m (genitive Māmercī, feminine Māmerca)

Meaning

  1. a masculine praenomen, used most notably by the gens Aemilia.

Declension

declension
formsingularplural
nominativeMāmercusMāmercī
genitiveMāmercīMāmercōrum
dativeMāmercōMāmercīs
accusativeMāmercumMāmercōs
ablativeMāmercōMāmercīs
vocativeMāmerceMāmercī

Māmercus, i, m. Mamers for Mars,
I. an Oscan prænomen: Mamercus praenomen Oscum est, ab eo, quod hi Martem Mamertem appellant, Paul. ex Fest. p. 130 Müll.—
II. A Roman surname in the Æmilian gens, who claimed Numa as their ancestor: ridere Mamercorum alapas, Juv. 8, 192.—Esp.: M. Aemilius Mamercus, Cic. Brut. 47, 175.

Origins

Possibly from the name of the god Mamers (the Oscan name for Latin Mārs; compare Māmars). If so, doublet of Mārcus. Believed to have been brought to Rome during the reign of Numa Pompilius. See the doubtless related Māmurra for details.

In the Academy Smith's classical dictionaries

Biography & mythologyMamercusMamercus (Μάμερκος), tyrant of Catana, at the time when Timoleon landed in Sicily, B. C. 344. He is termed by Plutarch a man both warlike and wealthy.…

Quick answers

What does Māmercus mean in Latin?
Māmercus, a proper noun, means “a masculine praenomen, used most notably by the gens Aemilia.”.
What is the genitive of Māmercus?
The genitive singular is Māmercī. Māmercus is masculine, second declension.