More info about the name "Dominica"
Feminine form of Dominic which is derived from the Late Latin name Dominicus meaning "of the Lord". This name was traditionally given to a child born on Sunday. Several saints have borne this name, including the 13th-century founder of the Dominican order of friars. It was in this saint's honour that the name was first used in England, starting around the 13th century. It is primarily used by Catholics.