Augustine
Great, majestic, or venerable
Cassian
From the Roman family name Cassius, meaning 'hollow' or 'cup-shaped'.
Ulysses
Wrathful or hater of kings
Cornelius
Horned; one who is horned
Claude
From the Latin 'Claudius,' meaning 'lame' or 'crippled,' though this literal meaning is largely overshadowed by its noble associations.