Crossword clues for the word: DUMBARTON The word DUMBARTON has appeared as an answer to at least 2 crossword clues on different crossword puzzles. Crossword clues for DUMBARTON Showing 1 to 2 of 2 results Clue(s) Estate in the District of Columbia, US, that hosted a 1944 conference that led to the formation of the United Nations Town in Scotland on the north bank of the River Clyde; administrative HQ of West Dunbartonshire