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Isabeau
GirlMeaning of Isabeau: French: 'pledge'
Isabeau is a girl's name most strongly associated with French naming. It has 7 letters and 3 syllables, and it is a genuinely rare and unique choice — 12789th most popular girls' name in the United States in 2025 and 4192nd in England & Wales.
US rank 2025
#12789
6 babies in 2025
England & Wales 2024
#4192
5 babies in 2024
US babies since 1880
476
First recorded 1987 · peak 2013
Trend
stable
Style: rare
Popularity over time
Gender split
0% boys · 100% girls, based on US, UK and international usage.
Origins & cultures
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