Firm, strong, or enduring
Aythan is a modern phonetic spelling variant of the Hebrew name Ethan. It shares the same etymological roots meaning 'solid' or 'enduring', often used in the Bible to denote wisdom and permanence.
Less common today
Aythan isn't in the latest US Top 1000. It last peaked at #8,082 in 2010.
US births per 5-year period, 1990βpresent (SSA data).