Sussex County, Delaware Genealogy

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*[ The Sussex County NYGenWeb Project], an member of [[DEGenWeb|The DEGenWeb Project]], an affiliate of [[USGenWeb|The USGenWeb Project]].  
*[ The Sussex County NYGenWeb Project], an member of [[DEGenWeb|The DEGenWeb Project]], an affiliate of [[USGenWeb|The USGenWeb Project]].  
*[ The USGenWeb Archives Project] for Sussex County  
*[ The USGenWeb Archives Project] for Sussex County  
*{{FHL|Delaware%2C+Sussex|subject|}} Family History Library catalog for Sussex County  
*{{FHL|Delaware%2C+Sussex|subject|}} FamilySearch Catalog for Sussex County  
*[ Sussex County, Delaware Genealogy and Family History] (Linkpendium)  
*[ Sussex County, Delaware Genealogy and Family History] (Linkpendium)  
*[ Sussex County Genealogy] (Delaware Genealogy)
*[ Sussex County Genealogy] (Delaware Genealogy)

Revision as of 23:40, 18 July 2014

United States Gotoarrow.png Delaware Gotoarrow.png Sussex County

Guide to Sussex County Delaware genealogy. Birth records, marriage records, death records, census records, family history, and military records.

Hand and keyboard.jpg Delaware
Online Records

Sussex County, Delaware
Map of Delaware highlighting Sussex County
Location in the state of Delaware
Map of the U.S. highlighting Delaware
Location of Delaware in the U.S.
Founded August 8, 1673
County Seat Georgetown
Sussex County, Delaware Courthouse.jpg
Address Administrative Office Building, 1st Floor, 2 The Circle
PO Box 589
Georgetown, DE 19947
Phone: (302) 855-7785 Sussex County Courthouse
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County Courthouse

Formerly known as Deale County, the name was changed to Sussex on 4 Dec 1682.
The Recorder of deeds has land records from 1693.
Register of Wills houses the probate records[1]

Sussex County, Delaware Historical Facts

Parent County

1673--Sussex County was created 8 August 1673 from Deale (old) County. County seat: Georgetown [2]

Boundary Changes

Because of the ongoing boundary disputes between Lord Baltimore of Maryland and William Pitt of Pennsylvania, much of Sussex County (excepting a few miles inland from the coast) was also recognized as part of Maryland's Somerset County up through 1760.  Both Pennsylvania (and, after 1710, Delaware) and Maryland issued land patents for the area, sometimes in conflict with each other.

The British Crown ordered the dispute to be settled in 1760, and commissioned Charles Mason and Jermiah Dixon to survey the boundary.  In 1769, the survey was completed, defining the border between Maryland, Delaware and Pennsylvania that exists today.

The border between Sussex and Kent Counties, Delaware was set in 1683 and has not changed since then.

For animated maps illustrating Delaware County boundary changes, "Rotating Formation Delaware County Boundary Maps" (1673-1841) may be viewed for free at the website.

Record Loss

Places / Localities

Populated Places


  • Lewes
  • Milford
  • Rehoboth Beach
  • Seaford


  • Bethany Beach
  • Bethel
  • Blades
  • Bridgeville
  • Dagsboro
  • Delmar
  • Dewey Beach
  • Ellendale
  • Fenwick Island
  • Frankford
  • Georgetown
  • Greenwood
  • HenlopenAcres
  • Laurel
  • Millsboro
  • Millville
  • Milton
  • Ocean View
  • Selbyville
  • Slaughter Beach
  • South Bethany

Hundreds: More information can be found at Delaware Hundreds.

  • Baltimore
  • Broad Creek
  • Broadkill
  • Cedar Creek
  • Dagsboro
  • Georgetown
  • Gumboro
  • Indian River
  • Lewes & Rehoboth
  • Little Creek
  • Nanticoke
  • Northwest Fork
  • Seaford

Unincorporated communities:

  • Angola
  • Argo's Corner
  • Atlanta
  • Bayard
  • Belltown
  • Broad Creek
  • Broadkill Beach
  • Cannon
  • Cedar Creek
  • Clarksville
  • Concord
  • Cool Spring
  • Coverdale
  • Fairmount
  • Fowler Beach
  • Gumboro
  • Harbeson
  • Hardscrabble
  • Hollymount
  • Hollyville
  • Jimtown
  • Johnson
  • Lincoln
  • Long Neck
  • Marshtown
  • Middleford
  • Middlesex Beach
  • Midway
  • Nassau
  • Oakley
  • Oak Orchard
  • Old Furnace
  • Pepperbox
  • Pinetown
  • Redden
  • Reliance
  • Roxana
  • St. Johnstown
  • Whitesville
  • Williamsville

Neighboring Counties


Sussex County, Delaware Genealogy Resources

Bible Records



For tips on accessing Sussex County, Delaware Genealogy census records online, see: Delaware Census.

Church Records

Court Records

Emigration and Immigration

Ethnic, Political and Religious Groups


  • United States Geographic Survey Place Names - GNIS for Sussex County  (over 1990 entries)
    (may not always be present in alphabetic order on first try.)



Land and Porperty




Naturalization and Citizenship




Poorhouse, Almshouse


  • DeValinger, Leon. A Calendar of Sussex County, Delaware Probate Records, 1680-1800. Dover, Delaware: Public Archives Commission, 1964.
  • Moore, Marguerite R. indexes for Sussex 1800-1869, three volumes(Westminster, Md.: Family Line Publications, 1995-97.)




Vital Records

See also How to order Delaware Vital Records, order electronically online or download an application for Delaware Birth Certificate, Marriage Certificate, Death Certificate to mail.

Societies and Libraries

See also a List of Delaware Archives, Libraries, Publications, Historical & Genealogical Societies

Family History Centers

Web Sites


  1. Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002), Sussex, Delaware Page 121 At various libraries (WorldCat); FHL Book 973 D27e 2002.
  2. The Handybook for Genealogists: United States of America,10th ed. (Draper, UT:Everton Publishers, 2002).