"New Jersey, Births, 1670-1980," database, FamilySearch (https://familysearch.org/pal:/MM9.1.1/FZSW-W5Z : 8 April 2016), Ellenor Dennick in entry for Samuel Guildersleeve, 23 Jan 1891; citing Plainfield, Union, New Jersey, United States, Division of Archives and Record Management, New Jersey Department of State, Trenton.; FHL microfilm 494,218.