The most interesting of the purely Irish families, who came with the Scotch to Worcester, with whom they had contracted relationship during their long residence in Ulster, or become attached by community of sentiment and suffering, was the Young family, four generations together. They brought the potato to Worcester, and it was first planted there in several fields in the spring of 1719. The tradition is still lively in Scotch-Irish families (I listened to it eagerly in my boyhood) that some of their English neighbors, after enjoying the hospitality of one of the Irish families, were presented each on their departure with a few tubers for planting, and the recipients, unwilling to give offense by refusing, accepted the gift; but suspecting the poisonous quality, carried them only to the next swamp and chucked them into the water. The same spring a few potatoes were given for seed to a Mr. Walker, of Andover, Mass., by an Irish family who had wintered with him, previous to their departure for Londonderry to the northward. The potatoes were accordingly planted; came up and flourished well; blossomed and produced balls, which the family supposed were the fruit to be eaten. They cooked the balls in various ways, but could not make them palatable, and pronounced them unfit for food. The next spring, while plowing the garden, the plow passed through where the potatoes had grown, and turned out some of great size, by which means they discovered their mistake. This is the reason why this now indespensable esculent is still called in New England certainly, and perhaps elsewhere, the “Irish potato.”
via Scotch-Irish in New England.