Map of the 1920 Londonderry Borough Council election, showing all electoral areas coloured in accordance with the party that won the most votes.
In all areas but the West Ward (shaded white, due to no voting taking place) Unionists won a majority of the vote.
Own work. Drawn in line with the ward descriptions contained on page 2, Derry Journal - Monday 01 September 1919
MrPenguin21