How do i Spell Jason in Irish?

There isn't a direct, single equivalent of the name "Jason" in Irish. Irish names are often based on meaning rather than direct transliteration. To find an equivalent, you'd need to consider the meaning of Jason (which relates to "healer" or "medicine").

You could consider names with similar meanings in Irish, such as:

* Íosaf: This is a possible interpretation, but its connection to Jason isn't direct. It's a biblical name.

Ultimately, choosing an Irish equivalent depends on personal preference. There's no single "correct" translation.