It's important to note that:
* There is no official French spelling of "Shanoy". It is likely a phonetic spelling or an anglicized version of a similar name.
* "Shannon" is a more common and accepted spelling. It is possible that "Shanoy" is a misspelling or a regional variation.
If you are trying to find the origin and meaning of a specific name, it's always best to consult a reliable source like a baby name website or an etymology dictionary.