except that there are those who insist on the deep 'a' to rhyme with Brit pronunciation of 'can't'. This is thought by most USers to be hoity-toity,
Not in New England, BobY, where you hear the aunt/Brit-cawn't almost exclusively. Not hoity toity at all.
Using Ant for Aunt in NE marks you as a non-Yankee! In other words, a tourist -- or as the Tourism Industry would have us say : a "visitor."