This volume investigates the lived experiences and socio-economic motivations of Irish immigrants in Colonial and Revolutionary America through the lens of their own correspondence and personal accounts. The editors, a team of distinguished historians including Kerby A. Miller and David N. Doyle, utilize a vast collection of primary source documents to reconstruct the transition of Irish settlers from their homeland to the North American colonies. The work argues that these letters provide a more nuanced understanding of the immigrant experience than official records, highlighting the complex interplay between economic necessity, religious identity, and political upheaval during the period of 1675 to 1815.

Historians and researchers frequently cite this work as a foundational resource for the study of Irish-American history due to its extensive archival depth. The inclusion of digitized primary sources makes it a highly regarded tool for both academic study and genealogical research.