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Delaware County, Pennsylvania
Genealogy, History & Facts
County Vital Records ∣ County Census Records ∣ County Courthouse and Government Records ∣
County Societies, Family History Resources and County Genealogy Links
Delaware County, Pennsylvania Facts
aware County was established on September 6, 1789 from Chester County.
What is the County Seat of Delaware County, PA?
The County Seat is located in Media and in addition the county government website is www.co.delaware.pa.us
What counties are adjacent to Delaware County, PA?
Bordering Counties are Montgomery County, Philadelphia County, Gloucester County, New Jersey, New Castle County DE, Chester County.
Delaware County, PA Vital Records
Where can find Delaware County Birth, marriage, Divorce and Death Records?
Delaware County vital records can be found at the Pennsylvania Office of Vital Records has copies of birth and death records since 1906 and death records. There is a fee for each copy requested. Please refer to the information to the Statewide Vital Records in Pennsylvania for current fees and application process. Birth, marriage, and death records are connected with central life events.
You can search online for Delaware County Birth, Marriage, Divorce or Death Records. You can also Order Electronically Online or can download an application for Pennsylvania Birth Certificate, Death Certificate Applications to mail.
- U.S., Social Security Applications and Claims Index, 1936-2007
- USGenweb Archives Pennsylvania Marriage Project
- Pennsylvania Vital Records, Vol. I, Vol. II, Vol. III
- Pennsylvania, Births and Christenings, 1709-1950
- Pennsylvania, Marriages, 1709-1940
- Pennsylvania County Marriages, 1885 – 1950
- Pennsylvania, Philadelphia City Death Certificates, 1803-1915
Delaware County, PA Census Records
What Delaware County, PA census records are available?
There are many types of census records for Delaware County guide you in researching your family tree. Federal Population Schedules are available for 1790-1890, 1900, 1910, 1920, 1930, 1940.
Delaware Co. Mortality Schedules can be obtained for 1850, 1860, 1870 and 1880. Delaware Co. Industry and Agriculture Schedules can be acquired for 1850, 1860, 1870 and 1880. Delaware Co. Union Veterans Schedules can be found for 1890. You can find free down-loadable and also printable census forms to help you with your research. See Also Pennsylvania Census Records Research Guide
Delaware County, PA Courthouse and Government Records

What genealogical records can I find in the Delaware County Courthouse?
The below facts shows exactly what death, marriage, birth, property, wills, and court records are typically in Delaware County. The years listed below are the first noted records with this county. See Also Pennsylvania Courthouse Records Research Guide.
- Delaware County Courthouse (all departments listed below are located here, unless otherwise noted)
- Address: 201 West Front Street, Media, PA 19063
- Delaware County Recorder of Deeds
- Phone: 610-891-4152
- Land Records: 1789
- Delaware County Prothonotary / Clerk of Courts
- Phone: 610-891-4260
- Court & Divorce Records: 1789
- Delaware County Register of Wills/ Orphan’s Court Clerk
- Phone: 610-891-4400
- Marriage & Probate Records: 1789
- Birth & Death Records: before Jan 1906
- Pennsylvania, Wills and Probate Records, 1683-1993
- Early Pennsylvania Land Records
- BLM Land Records
Delaware County, PA Societies and Family History Resources
What genealogical and historical societies, archives, museums, associations and libraries are available for Delaware County, PA?
A list of Delaware County Historical and Genealogical Societies, Libraries, Archives. See also list of Statewide Pennsylvania Archives, Historical & Genealogical Societies.
- Pennsylvania Archives – Pennsylvania Historical & Museum Commission (fold3.com)
- Delaware County Historical Society, 408 Ave. of the States, Chester, PA 19013; (610) 359-0826
- Delaware County Archives, 201 West Front Street, Media, PA 19063; Birth and Death Records: (610) 891-5620; Marriage Records: (610) 891-4403; Divorce Records: (610) 891-4370
- The Pennsylvania Archives Online
- Pennsylvania State Archives, 350 North Street, Harrisburg, PA 17120; Phone:(717) 783-3281
- Genealogical Society Of Pennsylvania, 2207 Chestnut Street Philadelphia, PA 19103; (215) 545-0391
- Historical Society Of Pennsylvania. 1300 Locust Street, Philadelphia, PA 19107; Phone: 215-732-6200
- State Library of Pennsylvania, Commonwealth Avenue and Walnut Street, P.O. Box 1601, Harrisburg, PA 17105-1601
Where can I connect with other Delaware County, PA Researchers through message boards and forums?
- https://www.archives.gov/research/census
- Pennsylvania Genealogy Network Community (plus.google.com)
- State of Pennsylvania Genealogy Network (facebook.com)
- Delaware County, Pennsylvania Message Boards (boards.ancestry.com)
- Delaware County, Pennsylvania Genealogy Forum (genforum.genealogy.com)
What other genealogical resources are available in Delaware County, PA?
The following are web links to Genealogy, Records and Resources pertaining to Delaware County. Each of these genealogy links fall into 3 categories: Business oriented Sites, Private Sites or Organization Sites. Some have free access some require a cost. This is basically a listing which has been compiled or submitted. I do not recommend or promote one genealogy site over another.
Delaware Co. PA Maps, Atlases & Gazetteers
- See Also Map of Pennsylvania Links and Information
- Delaware Co. D.O.T. Map
- Delaware County Pa. Maps (delawarecountyhistory.com)
- Historical landmarks with map of Chester (search.ancestry.com)
- Map of Delaware County, PA with Municipal Labels showing Boroughs (red), Townships (white), and Census-designated places (blue).
- 1895 Delaware County Map (livgenmi.com)
Delaware Co. PA Books, Newspapers & Publications
- Pennsylvania Newspapers Books & Publications Research Guide
- Pennsylvania historical newspaper archives online (newspapers.com)
- Historical Newspapers from Pennsylvania (1719 – 1997) (genealogybank.com)
- Delaware County Daily Times (Chester, Pennsylvania) (search.ancestry.com)
- Delaware County Daily Times (Primos, Pennsylvania) (search.ancestry.com)
- Chester Times (Chester, Pennsylvania) (search.ancestry.com)
- Delaware County, Pennsylvania Books (amazon.com)
- Search Pennsylvania Obituaries (1985 to current) (genealogybank.com)
- Delaware County Genealogy Books (books.google.com)
Delaware Co. PA Church / Bible Records & Cemeteries / Graveyards
- Pennsylvania Cemetery Records Research Guide
- Delaware Co., Pennsylvania Graves (findagrave.com)
- Delaware County Tombstone Transcription Project (usgwtombstones.org)
- Delaware Co., Pennsylvania Cemeteries (Internment.net)
- Delaware Co., Pennsylvania Cemetery Books (amazon.com)
- Pennsylvania Church Records Research Guide
- Alphabetic biographical catalog, the Crozer Theological Seminary, 1855-1933 : with names of students by classes appended (search.ancestry.com)
- Pennsylvania, Church and Town Records, 1708-1985 (search.ancestry.com)
- Delaware County, Pennsylvania Church Books (amazon.com)
Delaware Co. PA Family Websites, Pictures & Histories
- Create a Free Family Tree (ancestry.com)
- Delaware Co., PA GenWeb Archives Biographies & Collections (usgwarchives.net)
- Genealogies of Pennsylvania Families from the Pennsylvania Genealogical Magazine (search.ancestry.com)
- Genealogy of the descendants of John Kirk, born 1660, at Alfreton, in Derbyshire, England, died 1705, in Darby Township, Cheste (search.ancestry.com)
Delaware Co. PA General and History Websites
- Delaware County, Pennsylvania Wikipedia (wikipedia.org)
- History of Delaware County, Pennsylvania (delcohistory.org)
- Historic homes and institutions and genealogical and personal memoirs of Chester and Delaware Counties, Pennsylvania (search.ancestry.com)
- A history of Delaware County, Pennsylvania, and its people (search.ancestry.com)
- History of Delaware County, Pennsylvania (search.ancestry.com)
- History of Delaware County, Pennsylvania : from the discovery of the territory included within its limits to the present time, (search.ancestry.com)
- Biographical and historical cyclopedia of Delaware County, Pennsylvania : comprising a historical sketch of the county (search.ancestry.com)
- Delaware County, Pennsylvania Wiki (familysearch.org)
- Delaware Co. PA Genealogy (kindredtrails.com)
- Family History Library (familysearch.org)
- Delaware County, Pennsylvania (linkpendium.com)
- Cyndi’s List – United States – Pennsylvania – Counties – Delaware (cyndislist.com)
- Delaware County Pennsylvania (genealogytrails.com)
- Delaware Co. PAGenweb (delcogenweb.org)
- Delaware County Genealogy Queries (cousinconnect.com)
- Delaware County, Pennsylvania USGenWeb Archives (usgwarchives.net)
- Delaware Co. Data Collections (search.ancestry.com)
Delaware Co. PA Immigration & Naturalization
- Pennsylvania, Naturalizations, 1794-1908 (search.ancestry.com)
Delaware Co. PA Military Records
- Pennsylvania Military Records Research Guide
- Pennsylvania Military Records (fold3.com) offers access to military records, stories, photos, and personal documents belonging to the Pennsylvania both males and females who served. Excellent for Delaware County genealogists, researchers, historians and a lot more.
Delaware Co. PA Schools & Directories
- Chester City, Pennsylvania Directory, 1888-89 (search.ancestry.com)
- Boyd’s directory of Delaware County, Penna., 1899-1900 : containing a general directory of Chester City, and of the towns of C (search.ancestry.com)
- Boyd’s directory of Delaware County, Penna., 1897-98 : containing a general directory of Chester City (search.ancestry.com)
- Chester city directory, 1891-92 : consolidated with the borough of South Chester and including the boroughs of Upland, Eddyston (search.ancestry.com)
- Spencer’s Chester city directory for 1898-99 : including the boroughs of Upland and Eddystone : containing a general directory (search.ancestry.com)
- Spencer’s Chester city directory for 1895-96 : including the boroughs of South Chester, Upland, and Eddystone : containing a g (search.ancestry.com)
- Spencer’s Chester city directory for 1893-94 (search.ancestry.com)
- Chester city directory, 1889-90 : consolidated with the borough of South Chester and including the boroughs of Upland and Eddys (search.ancestry.com)
- Chester city directory, 1885-86 : including the boroughs of South Chester, North Chester, Upland and Media : containing a gener (search.ancestry.com)
- Chester city directory, 1883-84 (search.ancestry.com)
- Chester city directory, 1887-88 : consolidated with the boroughs of North and South Chester, and including the borough of Uplan (search.ancestry.com)
- Farm and business directory of Delaware County, Pennsylvania : with a complete road map of the county. (search.ancestry.com)
- Chester city directory, 1882-83 : including the boroughs of South Chester and Upland : containing a general directory of the ci (search.ancestry.com)
- Business directory of Delaware County, Pa., for 1893-95 : to which is appended a directory of the principal farmers of the coun (search.ancestry.com)
- Chester directory for 1872-73 (search.ancestry.com)
- The Chester city directory, 1880-81 : including the borough of South Chester : containing a general directory of the citizens, (search.ancestry.com)
- Chester and Delaware Co. directory for 1869-70 : containing the names of the inhabitants, together with a town business directo (search.ancestry.com)
- The Chester city directory, 1879-80 : containing a general directory of the citizens, a partnership directory, a street directo (search.ancestry.com)
- Media directory, 1915-16 : including a business and residential directory of the following towns : South Media, Collingdale, Mo (search.ancestry.com)
- Directory of the borough of Lansdowne, East Lansdowne, and vicinity, 1910 (search.ancestry.com)