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“Variant of London — Place that floods (disputed)” — Celtic origin
Girl's name · #1789 in the US (2025) · 2010s
Londynn reached its best rank, #1057, in 2020 and ranked #1789 in 2025. Roughly 3,100 girls have been named Londynn since 2004. In Mississippi and Louisiana it runs 4–6× its national rate. Londynn is the less common spelling of Londyn — about 12% of babies given the name are written this way; Londyn itself ranked #388 in 2025.
Appears in 2020-2025 birth records of 18 states. See the full state-by-state map on this page.
Similar names: London · Kinlee · Loralei · Gwyneth · Aislynn · Carsyn
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