Many modern Irish Pittsburghers can trace their roots to immigrants fleeing an Ireland devastated by the Great Potato Famine of the mid-1800s. They migrated to
Presbyterians from the Irish province of Ulster were among the first to push the wild frontier west and found the city of Pittsburgh. By the 1840s, the flow of
Irish Presbyterians and the Shaping of Western Pennsylvania, 1770–1830 is a historical study examining the religious culture of Irish immigrants in the early