Delaware County History and Listings

Deale
Incorporated: 1680
Parent county: Whorekill
Notes: See Sussex County. Name changed to Deale June 30, 1680. Name changed to Sussex Dec. 4, 1682.

Kent
555 Bay Rd., Dover, DE 19901
(302) 744-2366
http://www.co.kent.de.us/Departments/Administration/kc_complex.htm
Incorporated: 1682
Parent county: St. Jones
Marriage records: unknown start, kept by the Clerk of Peace
Divorce: unknown start, County Courthouse
Land: 1680, Count Courthouse
Probate: 1680, State Archives
Court: 1680, State Archives
Notes: Formerly St. Jones County. Name changed to Kent 1682.

New Castle
87 Reads Way, New Castle, DE 19720
(302) 395-5555
http://www2.nccde.org
Incorporated: 1664
Parent county: Original County
Marriage records: start in 1911, kept by the Clerk of Peace
Divorce: unknown start, County Court
Land: unknown, Recorder of Deeds
Court: unknown, State Archives
Wills: 1682, State Archives
Notes: Once named New Amistel. Name changed to New Castle Dec. 31, 1674. State Archives has wills 1682-1800.

St. Jones
Incorporated: 1680
Parent county: Whorekill County
Notes: See Kent County listing. Name changed to Kent in 1682.

Sussex
Box 589, Georgetown, DE 19947
(302) 855-7700
http://www.sussexcountyde.gov
Incorporated: 1670
Parent county: Deale
Land records: start in 1693, kept by the Recorder of Deeds
Probate: 1680, State Archives
Notes: Formerly Whorekill, formed in 1670. Name changed to Deale in 1680. Name changed to Sussex in 1682.

Whorekill
Incorporated: 1670
Parent county: Original county
Notes: See Deale County. Whorekill was divided into Deale and Saint Jones counties in 1680.

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From the Family Tree Sourcebook
Also available: the State Research Guide Book, State Research Guides CD and The Researcher’s Guide to American Genealogy.