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Beginning in the early 1700s German emigration from the Palatinates on the Rhine introduced massive, strong, neighborhood orientated, industrial organisations to a similar Pennsylvania counties of which the Irish had already immigrated to. These Germans were known for prejudice against the Irish whom they viewed not appropriate to be colonist. As well, the Quaker proprietors of Pennsylvania viewed most of the Irish to be stubborn squatters, as many of them certainly were. Quarreling was abundant.
In 1795, thinking about that of a ratified treaty made by General Wayne and the Indians, it was safer to cross the Allegheny River and settle lands there. The daring, ever curious Irish were the first to rush into this domain in mass and deliver families and farms. It wasnt long until most of western Pennsylvania, on the point of the Ohio border, was predominantly Irish and Scotch-Irish. The migration of the Irish across the state was executed.
Large ingredients of York County were settled by these migrating Irish, and later many of the settlements was a factor of Adams County which is largely Irish nowadays. A little later they began migrating west along the Juniata River and over the Alleghany mountains. Since this was prior to land settlement agreements reached between the Penn family and the native Indians, this introduced about more disturbances between the Irish and the Indians.
Eventually one disputed domain after another was settled, and treaties made, much of the time just after very violent skirmishes between the Irish and the Indians. It seemed that as soon as a local was officially settled, the Irish may again migrate westward to yet more unsettled territory. When the Pennsylvania counties west of the Allegheny River were official declared and mapped, the Irish had already been there for lots of time. During this same period, many of the Irish joined military ranks and fought in the Revolutionary War. They were known as tough and ready fighters.
In the early years of Pennsylvania, the Penn family invited settlers of each and every kind to colonize the state. To this name, responded many Irish, mostly from the northern Irish provinces. The colossal Irish emigration was unexpected and they were not the most respected human beings. But it was too late to retract the open immigration policy. The Irish settled in the counties of Chester, Lancaster, Northampton and Northumberland. As well, an oversized population settled along the Maryland line in the domain disputed between the Penns and Lord Baltimore. This land was appropriate to squatters, which many of the Irish were, since it was not yet for sale and was viewed frustrating to govern, given the land dispute.