Carlisle, Middlesex, Massachusetts, 17 Aug 1850, Dwelling #1, Family #1 Calvin Heald, age 51, Farmer, b. Mass Mary C. Heald, age 48, b. Mass Mary J. Heald, age 18, b. Mass Edward Heald, age 17, Farmer, b. Mass Harriet Heald, age 15, b. Mass Hannah Heald, age 12, b. Mass Alfred Heald , age 10, b. Mass John Heald, age 8, b. Mass
This source was published in 1851, but lists no children after 1840. Several of the dates and names have minor errors, as if there was difficulty reading the writing of a correspondent?