Oxford Tree-Ring Laboratory - New Jersey

New Jersey

Jonathan Dunham House

Jonathan Dunham House, Woodbridge, New Jersey (40.564329, -74.272408)

Primary House Felling Dates: Spring 1709

Alterations to Roof Felling Dates:Spring 1871


Site Master 1593-1708 (oak) DHNJx1 (t = 7.63 HUTCH; 5.68 MONNY; 5.41 CFMDx1). Site Master 1788-1870 (pine) dhnj11 (t = 7.82 BYMDx5; 6.48 PA011; 5.82 NY006).

Jonathan Dunham House is a two-story brick structure with elaborate Flemish checker brickwork in the lower portions of its façade. The whole of the roof structure and windows were changed to Gothic Revival style.

Dendrochronological analysis has shown that the building was constructed from timbers felled in the spring of spring of 1709 and that the roof was altered in the spring of 1871.


Worthington and Seiter 2019 "The Tree-Ring Dating of the Jonathan Dunham House Woodbridge, New Jersey" Oxford Tree-Ring Laboratory 2019/15.




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Contact Information

Oxford Tree-Ring Laboratory

Michael Worthington
Jane Seiter, Ph.D

25 E. Montgomery St.
Baltimore, MD 21230