Shawn is a phonetic spelling of Sean that may be past its peak – it was a Top 30 name in the early 1970s – but is still quite popular for boys: over 500 baby boys were named Shawn in the US in the most recent year counted vs 800 given the original Sean spelling.

Shawn is one name that's become less unisex and more distinctly male over time in all its spellings, given to only 14 baby girls and over 500 boys in the US in the most recent year counted. But at its peak in the early 1970s, it was a Top 200 baby name for girls in the US, given to nearly 2000 baby girls... and 12,000 boys in this spelling alone.