system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why is the name "Sean" pronounced like "Shawn" when there's no letter H in it?
gpt
Seán comes from the Irish name for John, the accent on the a (called a fada) makes the a longer and so changes the pronunciation as well as this Se in Irish is often pronounces as SH.

The name Shawn in an anglicised version of the Irish name Seán.