Note: 1850 census living in Essex County, Elizabeth twp, New Jersey, occupation Cooper. - 1860 census still in Elizabeth twp, name of county has change to Union, - 1870 census by now he's a widower living in New York city with his daughter Catharine Day and son-in-law Thos Day.

Certificate of death - name of deceased,Joseph Rittenhouse age 83yrs-6mos-13days,birthplace-US.
How long resident in this city. 3yrs-4days.
Father's birthplace Germany. Mother's birthplace France. Place of death,no 31st& 33rd Broadway,ward 1. I hereby certife that I last saw him on the 7th day of Sept 1871,that he died on the 9th day of Sept 1871 and that the cause of his death was old age. Place of burial Evergreen cemetery,Hillside New Jersey. As for him remembering his father's birthplace,due to age

Father: Garret RITTENHOUSE b: 1744 in Cresheim Philadelphia, County, Pennsylvania. Died in 1822.

Mother: Catharine BIGONETTE b: 29 AUG 1762 in Roxborough, Philadelphia County, Pennsylvania

Married: Margartta/Margaret Rebecca REESE b: 27 July 1792 in Hess, Cassel, Germany

Children
Peter RITTENHOUSE b: 19 September 1813 in Roxborough twp, Philadelphia, Pa
Mary Sophia RITTENHOUSE b: 15 June 1815 in Philadelphia, Pa
Catharine Bigonette RITTENHOUSE b: 25 May 1817 in Philadelphia County, Pa
Margaret Rebecca RITTENHOUSE b: 06 March 1819 in Philadelphia County, Pa
Eliza RITTENHOUSE b: 04 March 1821
Susan C. RITTENHOUSE b: 19 January 1823 in Elizabeth, Union, New Jersey
Henrietta W. RITTENHOUSE b: 08 September 1824 in Elizabeth, Union, New Jersey
Jane Ann P.B. RITTENHOUSE b: 17 November 1825 in New Jersey
John Jacob RITTENHOUSE b: 07 March 1836 in ,Elizabeth, New Jersey
David M. RITTENHOUSE b: 08 September 1832 in New Jersey
Samuel Dickinson RITTENHOUSE b: 6 March 1834 in Elizabeth, New Jersey
William Henry RITTENHOUSE b: 1835-37 in Elizabeth, Union, New Jersey