Frederick Smyth, b. 9 Mar 1819 in Candia, Rockingham County, New Hampshire, d. 22 Apr 1899 in Manchester, Hillsborough County, New Hampshire, son of Stephen Smyth & Dolly Rowe. He married Emily Lane (1st wife) on December 11, 1844 in Candia, Rockingham County, New Hampshire. He married Marion Hamilton Cossar (2nd wife) in February, 1886 in Scotland.
Frederick Smyth, b. Aug 1832 in County Galway, Ireland, d. 18 Aug 1900 at the Hotel Dennis, Atlantic City, Atlantic County, New Jersey, the son of Matthew Thomas Smyth & Unknown. He married Anna Augusta Findlay on April 28, 1855 in Manhattan, New York County, New York.