Peoples ruler
A feminine elaboration of the Germanic name Derek, which is derived from Theodoric. It combines the elements 'theud' meaning people and 'ric' meaning power or ruler.
Less common today
Derricka isn't in the latest US Top 1000. It last peaked at #2,544 in 1996.
US births per 5-year period, 1990βpresent (SSA data).