Here are some options you could consider, inspired by the meaning of "Ashton" (meaning "ash tree" in Old English):
* 'Ākau (pronounced ah-kow): This translates directly to "tree" in Hawaiian.
* Lā'au (pronounced lah-ow): Another word for "tree" in Hawaiian.
* 'A'o (pronounced ah-oh): This means "to learn" and could be used to symbolize knowledge and wisdom.
* Keawe (pronounced kay-ay-vay): This refers to a type of tree, the "Hawaiian koa" tree, and is often associated with strength and resilience.
Ultimately, the best way to translate "Ashton" into Hawaiian is to choose a name that resonates with you and your family's values.