Linden tree island
A modern phonetic spelling of the English surname Lindsay. It originally derived from the Old English 'Lindesege', referring to a marshy island or wetland area characterized by linden trees.
Less common today
Lyndzee isn't in the latest US Top 1000. It last peaked at #12,837 in 1990.
US births per 5-year period, 1990βpresent (SSA data).