All I can think of is pronouncing "marry" and "Mary" as "mar" (as: to damage) rather than as "men" (as "merry men", where the "me" parts are pronounced the same

All I can think of is pronouncing "marry" and "Mary" as "mar" (as: to damage) rather than as "men" (as "merry men", where the "me" parts are pronounced the same) but if I try to do that it comes off, to my Midwestern American ear, as very rural-sounding.