What does the name Izzy mean? The meaning of the name Izzy is God Is My Oath. The origin of the name Izzy is American. This is the culture in which the name originated, or in the case of a word, the language.
Alternate spellings: Izzie
People who like the name Izzy also like: Declan
, Isaac Isabella
Name Notes: Diminutive form of Isabel, Isabella, Isadora, Isadore, Israel, Isaac or Isaiah.