However, you could consider these options:
Closest Phonetic Approximation:
* I'one (pronounced ee-oh-nay) - This would capture the "Yvonne" sound most closely.
Meaning-Based Alternatives:
* 'Iolani (pronounced ee-oh-lah-nee) - This means "heavenly bird" and could be a beautiful, meaningful alternative.
* Nani (pronounced nah-nee) - This means "beautiful" and is a common Hawaiian name.
Ultimately, the best option for you will depend on your preferences and the context.