Dark haired or from Devon
Deveney is likely a variant of the Irish surname Devaney, derived from 'Γ Duibheanaigh', meaning descendant of the dark-haired one. It may also be used as a locational name referring to the English county of Devon. It is a rare choice that blends the sounds of Delaney and Devin.
Less common today
Deveney isn't in the latest US Top 1000. It last peaked at #5,041 in 1990.
US births per 5-year period, 1990βpresent (SSA data).