Alexandria \a-lexa-ndria, alex(an)-dria\ is of Greek origin. Variant of Alexandra, influenced by the name of the city in Egypt, founded by Alexander the Great in 322 BC and named in his honor. The name Alexandria means defender of mankind or helper or protector of men. Also, the name alexandria is said to also be known from latin origins to mean beauty or valor. the people that bear this name are usually well known for their many acts of compassion and bravery.