Douglas (Irish: Dúglas or Dúbhglas, meaning "dark stream") is a suburb of Cork city, Ireland and the name given to the Roman Catholic, Church of Ireland and Civil parish in which it is contained. As its borders are ill-defined and it straddles the boundary between Cork city and County Cork, it is difficult to ascertain the exact population. The CSO gives a figure of 19,787 for the parts of Douglas that lie within Cork County.