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Gillian is a feminine given name of Irish origin, traditionally meaning 'youthful' or 'downy-bearded.' It is a variant of the Irish Gaelic name Aisling.
Both Gillian and Eleanor are classic, elegant names of British origin with a timeless feel.
While Gillian is feminine, Callum offers a strong yet gentle counterpart, both names sharing a Celtic heritage.
Both names have Irish roots and evoke a sense of nature and folklore, creating a harmonious sibling pairing.