What does Florian mean?
From the Roman name Florianus, a derivative of Florus, from Latin 'flos/floris' (flower) and 'florere' (to flourish, bloom). Carried by Saint Florian.
What does Amadeus mean?
A Latin name combining amare 'to love' (amadeo 'I love') with Deus 'God', understood as 'love of God' or 'loving God'. The am- root is unambiguous; best known from Wolfgang Amadeus Mozart.