Lindsey is from the Old English place-name Lindesēg — "island of the linden trees" — originally a region in Lincolnshire. Olympic gold (downhill, Vancouver 2010), bronze (Pyeongchang 2018). Retired in 2019 after 19 surgeries; her comeback at age 40 to make the 2026 Olympic team was a major sports story. Lindsey Buckingham (Fleetwood Mac) is male.
Lindsey does not currently appear in the US Social Security Administration's top 1,000 girls' names, so we don't publish a US rank or birth count for it. That says nothing about the name's standing elsewhere in the world — only that it sits outside the ranked US data we rely on.
In Pythagorean numerology the letters of Lindsey reduce to 7, The Seeker. This is a traditional interpretive system, not a factual claim about the name.