4 Gianna names that mean gianna for girls, listing Gianna baby names 1-4. Gianna, Jane and Johnna are popular names. Jiana is an uncommon name. View Gianna baby names for name meanings, or search other baby names.
Gianna ... The name is sometimes used in honor of Saint Gianna Molla who died in 1962 because she had a dangerous pregnancy and preferred to risk her life rather than abort her baby. 
Jane ... [Gianna] 
Jiana ... Phonetic form of Gianna ... 
Johnna ... [Gianna]