classic, very pretty, short and simple, rich etymology and history...so makes sense why it's been so popular. i'd like it much more if not for that- not because popularity Always ruins a name for me, but because it's resulted in me knowing so many nasty Sarahs.
it'd stand out far more nowadays though, if you're hesitant because of that. would be kind of refreshing. you could maybe go with
Sarai though, or
Seraphina nn
Sera, if you're still doubtful for that reason.
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https://www.behindthename.com/pnl/180731/115070 my pnl