Working with Pennsylvania Genealogical Records From the 1700s
Genealogy research in Pennsylvania during the colonial and revolutionary periods is one of those things that sounds straightforward until you actually start digging. The records exist, but they are scattered across multiple counties, different languages, and a handful of published compilations that are either outdated or incomplete. I have spent years working with these records, and the general process follows a few patterns that I can break down. Colonial And Revolutionary Families Of Pennsylvania refers to a body of genealogical records and published compendiums that document family lineages from roughly the 1680s through the 1790s. The most well-known published work is the multi-volume set often associated with the Genealogical Publishing Company, which compiled wills, land grants, court records, and family Bible entries into structured family group sheets. These volumes are useful but have significant gaps, and relying on them without checking original sources is how most people build incorrect trees. The raw source material lives in several places. County prothonotary offices hold deed and will books. The Pennsylvania State Archives in Harrisburg has the colonial era records that predate county formation in many cases. Court minute books from the quarter sessions and orphans court are where you find estate administrations. Land warrants and patents from the Pennsylvania Land Office are a separate track entirely and often the only documentary evidence for families who never left but also never appeared in court records.
I ran into a specific problem a few years ago with a family whose surname appeared in the published volumes as established in Philadelphia County. The entry cited a will from 1762 that seemed to match. I decided to pull the original probate record anyway, and the handwriting on the actual will showed a different given name than what the published abstract listed. The clerk who prepared the abstract for the volume had misread a handwritten "George" as "John." This happens far more often than you would expect. The workaround is simple but tedious: never trust a published abstract without verifying it against the image of the original document. I use the Pennsylvania Historical and Museum Commission's online collections and the Digitized Pennsylvania Probate Records on FamilySearch to flip between the abstract and the original at the same time.
The Record Set You Should Start With
Start with the ancestor in the narrowest time frame you can identify and work backward. People in colonial Pennsylvania tended to stay within the same county or migrate to adjacent counties, rarely jumping across the state in a single generation. A family showing up in Lancaster County in 1750 is unlikely to reappear in Bucks County in 1720. That timeline reversal is a common error I see repeatedly. The Pennsylvania Archives, Series 1 through 8, contains copies of colonial records that are not always available elsewhere. These are public domain and freely accessible through HathiTrust and the Internet Archive. The series includes Muster Rolls, Returns of Inhabitants, and various provincial council documents that can place a family in a specific location at a specific date. This is often the missing link between a name in a church record and a property transaction. Quaker records are another track that deserves attention even if the family was not known to be Quaker. Meeting minutes, disownment records, and marriage certificates are sometimes the only surviving documentation for families who rejected the Anglican parish system or who lived in areas where other churches were not well documented. I have found Quaker birth records for families who identified as Lutheran or German Reformed because the parents had married in a Quaker meeting before converting.
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Land Records Are Where Most Research Stalls
Land transactions in colonial Pennsylvania follow a two-step process that confuses people who are used to modern systems. A person first obtained a land warrant, which gave them permission to survey a specific tract. Then, after the survey was completed and returned, they received a patent, which was the actual deed. Both documents exist separately, and the warrant date and the patent date can be years apart. If you are tracking a family's movement, the warrant is usually the earlier marker and tells you where they first intended to settle. The patent confirms they actually completed the purchase. The Pennsylvania Archives, Series 6, Volume 1, contains the land warrant indexes that cover many counties. The General Land Office records are also available through the State Archives reading room. I found a workaround for the online gap here: the Bureau of Land Management's General Land Office records contain some Pennsylvania entries, but the real completeness comes from using the "Pennsylvania Land Records, 1733-1950" collection on FamilySearch, which includes images of the original warrant and survey notebooks from dozens of counties. One counter-intuitive thing about Pennsylvania land records is that the county of record does not always match the current county boundary. Several western Pennsylvania counties were carved out of larger parent counties decades after early settlements were established. A warrant filed in "Westmoreland County" in 1770 might refer to land that is now in a different county. I keep a reference sheet of Pennsylvania county formation dates on my desk. Without it, I wasted months chasing records in the wrong county office for a single family line.
Common Pitfalls
The biggest pitfall is assuming that a surname spelling is consistent. Colonial clerks wrote names phonetically, and the same person appears under three or four different spellings across records. "Schweiker" becomes "Schweickert," "Schweikart," and sometimes just "Swicker." I resolve this by anchoring on given names and locations rather than surnames. A "Johann Jacob Schweiker" in Berks County in 1755 is the same person as "John Jacob Schweickert" in the same county in 1768, even though the name looks completely different on the surface. Another issue is the assumption that baptismal records are equivalent to birth records. In colonial Pennsylvania, many families were baptized well after birth, sometimes years later, and the baptismal entry is the only surviving date. Genealogists who treat the baptismal date as the birth date introduce errors that compound through subsequent generations. I flag every baptismal-only record with a note indicating it is an approximate birth date, usually within one to three years of the actual date. The published compilations are not wrong, but they are incomplete by design. They focus on families that produced notable descendants or that donated materials to the publishers. Ordinary farming families with no connection to prominent individuals are often absent or mentioned only in passing. If your ancestor does not appear in the published volumes, that does not mean the family did not exist in Pennsylvania. It means you need to go to the primary sources directly.
A Practical Workflow
My standard workflow starts with the descendant and works backward using probate records as the primary anchor. Probate records are more reliable than tax lists or census substitutes because they require legal proof of relationship for heirs. I pull the will or administration file, identify all named heirs, and then search for each heir in the next generation backward. This approach usually yields results faster than starting with land records, because land records require matching a name to a specific tract, which is harder to verify without an already-established timeline. I organize my findings in a simple spreadsheet with columns for individual name, approximate date, source type, source citation, and confidence level. The confidence level is where most people skip the step that matters most. I rate each fact as confirmed, probable, or speculative, and I only upgrade a rating when I find a second independent source. Speculative entries stay speculative until verified, and I do not build subsequent generations on speculative entries without a note flagging the uncertainty. The published works like the Colonial And Revolutionary Families Of Pennsylvania series are best used as leads, not as conclusions. They point you toward the right county, the right timeframe, and sometimes the right family group. After that, the real work is in the original documents. That part takes time, and there is no shortcut that replaces it, but the process is consistent and the records are there if you know where to look.
