Last name מקדואל (Mcdowell 
, Macdowell , Mcdowall ) , in all the world, is a common cognomen. The last name מקדואל is habitual in Saint Vincent and the Grenadines, where it is quite a common surname, Guernsey, and New Zealand (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in the United States, the United Kingdom, and Canada.