Searching for information about Irish immigrant to America, Michael Mackin, and descendants. Emigrated from County Louth, Ireland, possibly via his own family's shipping enterprise, with a sister as stowaway, mid-1800s. Lived thereafter in Havre de Grace, Maryland. Wife Susan; at least 6 sons, some named Thomas, Michael, Harry. Youngest son born 1881. Michael died soon after. Operated "Mackin's" tavern on Juniata St, Havre de Grace. Any information would be most welcome.