William Petty estimated (in the 1655-56 Down Survey) that the death toll of the wars in Ireland since 1641 was over 618,000 people, or about 40% of the country's pre-war population.
William Petty vurderede (I Down Survey) dødstallet til at være 618.000 i perioden 1641-53 eller rettere 40 % af befolkningen før krigsudbruddet.