Island or lake; waterfall
Ilynn is a modern American coinage, likely a creative blend of the Welsh name Lynn, meaning 'lake' or 'waterfall', and the prefix 'I-'. It may also be interpreted as a variant of Eileen or Aileen, which are Irish forms of Helen, meaning 'bright' or 'shining light'.
Less common today
Ilynn isn't in the latest US Top 1000. It last peaked at #6,359 in 2023.
US births per 5-year period, 1990–present (SSA data).
