↑ "United States Census, 1850," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MD9B-9Z3 : accessed 06 Jan 2014), Willard J Lawrence in household of Ezekiel Adams, Chicopee, Hampden, Massachusetts, United States; citing dwelling 3373, family 3647, NARA microfilm publication M432, roll 319.
Joseph W Lawrence, M, 46, Dentist, New Hampshire; Sarah F Lawrence, F, 37, Vermont; Percis F Lawrence, F, 4, Massachusetts; Nathaniel Lawrence, M, 2, Massachusetts