Except for the brief period from March 1803 to March 1806, no official registers of passengers leaving Irish ports were ever kept. The exception refers to lists

His new book, Finding Your Irish Ancestors, is intended as a companion volume to the venerable Pocket Guide. Making use of the case study technique employed in

Recollections of Ohio County, Kentucky, replete with genealogical data on early families and 2,500 marriage records before 1840.

Title of the first 10 volumes of the series is Germans to America : lists of passengers arriving at U.S. ports 1850-1855.