From the medieval female name Diot, a diminutive of Dionysia; transferred to a surname and then to a masculine given name. Associated with US president Dwight D. Eisenhower.
Vibe
strong
How it ages.
Firmly mid-century American with presidential gravitas; not yet old enough for a real revival.
The cultural moment.
Popular in the US from the 1930s through the 1960s; very rare for new births today.