Likely a modern variant of Teagan or Tegan
Tregan is a contemporary name with unclear etymological roots, most likely appearing as a rhyming variant of the Irish name Teagan or the Welsh name Tegan. If following those roots, it may relate to concepts of fairness or being a little poet. It is currently very rare in the United States.
Less common today
Tregan isn't in the latest US Top 1000. It last peaked at #7,578 in 2008.
US births per 5-year period, 1990–present (SSA data).
