Oak tree
Dair is a rare name of Irish origin, derived from the Old Irish word for 'oak'. In Celtic culture, the oak tree was highly revered as a symbol of endurance, wisdom, and nobility. It is often considered a shortened form of names like Adair or Daire.
Fewer than 5 boys were named Dair in 2025.
US births per 5-year period, 1990–present (SSA data).
