Lake or pool of water
A modern phonetic spelling of the Scottish surname Lindsay. It originally referred to a specific region in England, Lindsey, which likely combines the British Celtic word for 'pool' with the Old English word for 'island'.
Less common today
Lynnsie isn't in the latest US Top 1000. It last peaked at #9,143 in 1991.
US births per 5-year period, 1990βpresent (SSA data).