The spelling of the name "Whitny" is not a commonly used variant, as the typical spelling is "Whitney". The pronunciation of "Whitny" would likely be transcribed phonetically as /ˈwɪtni/, with a short "i" sound following the "t" and a stress on the first syllable. It is important to note that while variations in spelling can occur, it is essential to use correct and standardized spellings to ensure effective communication and understanding.