Save Type Surname (from given name) Usage Spanish Pronounced Pron. /i.ˈsi.ðɾo/(Latin American Spanish) /ʔɪ.ˈsi.dɾo/(Filipino Spanish) /ʔɪ.ˈsi.d͡ʒɹo/(Filipino Spanish) [key·simplify] Meaning & History From the given name Isidro.