Its source gives its meaning as valiant. Though originally a given name, it is more popular and well known as a surname. The surname's first variant is O Ã³ (Raghallaigh descendent/Of Of) raghallach which was later adapted In english As'O reilly which itself has been anglicized Into. reilly
The word 'vatican' comes from Latin and is a contraction of two words in the following way: 'Vatis' = 'profetic' or 'diviner' 'Can' = 'serpent/snake'. These two words combined make: 'the profetic- or made devine serpent'. The Vatican is a place, so you may say, that 'Vatican' means 'the place of the profetic- and worshipped serpent'.
Vatican City, in full State of the Vatican City, Italian Stato della CittÃ  del Vaticano , ecclesiastical state, seat of the Roman Catholic Church, and an enclave in Rome, situated on the west bank of the Tiber River. Vatican City is the worldâs smallest fully independent nation-state.