Lyndie is of American origin, derived from the Scottish surname 'Lynch'. It is a unisex name but is more commonly used for females. The name Lyndie has gained popularity in recent decades, particularly in English-speaking countries. It is often associated with the character Lyndie Lipton from the television series 'My So-Called Life', which may have contributed to its rise in popularity.
The name Lyndie experienced fluctuations in popularity over the years, with notable peaks in recent times.