"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M54W-8H9 : accessed 13 February 2023), Margaret M Mclanghan in household of Fred C Mclanghan, White Plains, Westchester, New York, United States; citing enumeration district (ED) ED 136, sheet 7A, family 80, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 1091; FHL microfilm 1,375,104.