What does Māmilius mean in Latin?

Māmilius, a proper noun, means “a Roman nomen gentile, gens or "family name" famously held by”.

What is the genitive of Māmilius?

The genitive singular is Māmiliī. Māmilius is masculine, second declension.

In classical Latin, [maːˈmɪ.li.ʊs]; in ecclesiastical (church) Latin, [maˈmiː.li.us].

proper noun · masculinesecond declension

Māmilius m sg (genitive Māmiliī or Māmilī)

Classical[maːˈmɪ.li.ʊs]Ecclesiastical[maˈmiː.li.us]

Mămilĭus, a root mar-, the shining, splendid one; cf. marmor,

I. name of a Roman gens.

1. Octavius Mamilius, a prince of Tusculum, Liv. 1, 50.—

2. C. Mamilius Limetanus, a tribune of the people, Sall. J. 40, 1.—

3. C. Mamilius Vitulus, a prætor, Cic. Verr. 2, 2, 50, § 123; Sall. J. 40.—

4. L. Mamilius Tusculanus, Liv. 3, 29.—Hence,

II. Mămilĭus, a, um, adj., of or belonging to a Mamilius, Mamilian: rogatio, of the tribune Mamilius, Cic. Brut. 33, 127; Sall. J. 40, 4: lex, Cic. Brut. 34, 128; id. Leg. 1, 21, 55; Sall. J. 65, 5: turris, Paul. ex Fest. p. 131; v. Müll. ad loc.

adjectivefirst/second-declension adjective

Māmilius²

Māmilius (feminine Māmilia, neuter Māmilium)

Classical[maːˈmɪ.li.ʊs]Ecclesiastical[maˈmiː.li.us]

singular
form	masculine	feminine	neuter
nominative	Māmilius	Māmilia	Māmilium
genitive	Māmiliī	Māmiliae	Māmiliī
dative	Māmiliō	Māmiliae	Māmiliō
accusative	Māmilium	Māmiliam	Māmilium
ablative	Māmiliō	Māmiliā	Māmiliō
vocative	Māmilie	Māmilia	Māmilium

plural
form	masculine	feminine	neuter
nominative	Māmiliī	Māmiliae	Māmilia
genitive	Māmiliōrum	Māmiliārum	Māmiliōrum
dative	Māmiliīs	Māmiliīs	Māmiliīs
accusative	Māmiliōs	Māmiliās	Māmilia
ablative	Māmiliīs	Māmiliīs	Māmiliīs
vocative	Māmiliī	Māmiliae	Māmilia

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