Baby names?

⭐️MerFerret⭐️ • 👼🏼👼🏼👼🏼 • Beagle mama • Lupus & Fibro • 🏳️‍🌈 bi
We have names already picked out. I'm just struggling with one of the middle names. These are the ones we know for sure about:
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Boys:
Oliver Martin Krull
Anthony Gotham Krull
Girl:
Rachel Anne Krull
Rebecca ???
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Because we're both Irish, I was looking at traditional Celtic names.
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I particularly like the name Aoibheann (<a href="https://play.google.com/store/apps/details?id=com.glow.android.eve">eve</a>-een). It means "beautiful sheen" "radiant beauty" or "little <a href="https://play.google.com/store/apps/details?id=com.glow.android.eve">Eve</a>". But I think there's something really playful about it, and I really love these complexly spelled Irish names. I know I'd never name any of my kids with a traditional Celtic spelling first name (because they are quite crazy).
Rachel Aoibheann Krull
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What do you think of this middle name? Any suggestions? Also, what are your chosen names?