(adj.adj.adj.) : Tĭtĭus, i, m.; Tĭtĭa, ae, f.
* The name of a Roman gens; e. g. Sex. Titius, a tribune of the people, whose motions so much resembled dancing that a certain dance was named Titius after him, Cic. Brut. 62, 225; id. de Or. 2, 11, 48.
* Titius Septimius, to whom is addressed Hor. C. 2, 6; cf. id. Ep. 1, 9, 1. — Hence
* Tĭtĭus, a, um, adj., of or belonging to a Titius, Titian: lex,Cic. Mur. 8, 18; id. Leg. 2, 6, 14; Val. Max. 8, 1, 3; Dig. 11, 5, 3: atrium,Liv. 39, 44, 7: sodales,appointed for the Sabine worship by king Titus Tatius,Varr. L. L. 5, § 85 Müll.; Tac. A. 1, 54; Luc. 1, 602.—Called also TITIALES, Inscr. Orell. 2432; cf. also SODALIS TITIENSIS,Inscr. Murat. 299.
* Tĭ-tĭānus, a, um, adj., of or belonging to a Titius, Titian: fundus,Dig. 23, 3, 50; ib. 45, 1, 85.
* Tĭtĭensis, e, adj., of or belonging to king Titus Tatius; v. sodalis, A. —Subst.: Tĭtĭenses, ĭum, m., for the usual Tatienses, one of the three Roman equestrian centuries; v. Tatius; also abbrev. Tĭtĭens, ĭum, Varr. L. L. 5, § 81; Prop. 4 (5), 1, 31.

Male Personal name
Confirmed occurences in the Roman Empire:

• L. Epidius Titius Aquilinus (Masc, senator), ref: E¹ 0055 | PIR ID5585
• M. Marius Titius Rufinus (Masc, senator), ref: PIR M 0320 | PIR ID8997
• Q. Seppius Celer M. Titius Sassius Candidus (Masc, senator), ref: PIR S 0403 | PIR ID12117
• M. Titius (Masc, senator), ref: PIR T1 0196 | PIR ID13200
• Titius (Masc), ref: PIR T1 0195 | PIR ID13201
• L. Titius (Masc), ref: Mart. 5, 14, 5 | PIR ID13202
• Titius Aristo (Masc), ref: PIR T1 0197 | PIR ID13203
• C. Titius Communis (Masc), ref: FGrHist 2, 257 fr. 37 | PIR ID13204
• Titius Homullus (Masc, senator), ref: PIR T1 0198 | PIR ID13205
• Titius Honoratus (Masc, eques), ref: BGU 2069 | PIR ID13206
• L. Titius Mansuetus (Masc, eques), ref: VI 41275 | PIR ID13207
• Titius Maximus (Masc), ref: PIR T1 0199 | PIR ID13208
• L. Titius Plautius Aquilinus (Masc, senator), ref: PIR P 0460 | PIR ID13209
• Titius Pompeius (Masc, senator), ref: PIR P 0586 | PIR ID13210
• C. Titius Probus (Masc), ref: RE Suppl. 15 (1978) 645-652 s.v. Titius 34a | PIR ID13211
• Titius Proculus (Masc), ref: PIR T1 0200 | PIR ID13212
• Titius Rufus (Masc, senator), ref: PIR T1 0201 | PIR ID13213
• Titius Rufus (Masc), ref: cf. R 0191 | PIR ID13214
• Titius Sabinus (Masc), ref: PIR T1 0202 | PIR ID13215
• Titius Saturninus (Masc, eques), ref: AE 1993, 1377 | PIR ID13216
• C. Titius Severus (Masc), ref: XV 8502 | PIR ID13217
• C. Titius Similis (Masc, eques), ref: PIR T1 0203 | PIR ID13218
• T. Titius Tappo (Masc, senator), ref: PIR T1 0204 | PIR ID13219
• Titius Verecundus (Masc, eques), ref: cf. T. Flavius Verecundus | PIR ID13220
• Titus Titius Campanius Priscus Maximianus (Masc, senator), ref: PIR C 0373 | PIR ID13233
• Ulpius Titius Calpurnianus Fado (Masc), ref: I. Prusias ad Hypium 54 | PIR ID13555