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Brennan is an Irish surname of Gaelic origin, meaning 'descendant of Braonán.' Braonán itself likely means 'raven' or 'little drop,' suggesting associations with wisdom, foresight (ravens are often seen as symbols of intelligence), and perhaps even gentleness.
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Both Brennan and Maeve have Irish origins and a strong, elegant feel.
Sharing Irish roots and similar length and sound, Aidan complements Brennan well.
Another beautiful Irish name with a similar flow and lyrical quality as Brennan.
Both names are classic, strong, and have a timeless appeal, fitting for siblings.