Linden tree hill or island of linden trees
Lyndsi is a modern phonetic spelling variation of the English surname Lindsay. It originates from the region of Lindsey in Lincolnshire, which derives from the Old English 'Lindesege' meaning 'Linden tree island'. While the name was historically used for both genders, this specific spelling is almost exclusively feminine.
Less common today
Lyndsi isn't in the latest US Top 1000. It last peaked at #2,186 in 1991.
US births per 5-year period, 1990βpresent (SSA data).