Monmouth County was formed 7 March 1683 as an original county in the Province of East Jersey. The southern portion of old Monmouth County was set off as Ocean County in 1850.
Recording of wills and estate inventories at the county level began in 1804. Orphans Courts were established in 1785. Consult the Secretary of State page linked below for original estate records for the 1660s-1900 period.
The State Archives' holdings vary from county to county. Consult the Collecting Policy for additional information about our accessioning guidelines.