By the ford of the oaks
Adaira is a rare feminine form of the Scottish name Adair. It is derived from a Gaelic surname which itself comes from the Old English name Edgar, combined with elements referring to an oak tree grove near a river crossing.
Less common today
Adaira isn't in the latest US Top 1000. It last peaked at #7,773 in 2016.
US births per 5-year period, 1990βpresent (SSA data).