Flanigan Genealogy Show all FLANIGAN (5 individuals) ALL First name starts with: C D J M Catherine J FLANIGAN ♀1872 – 1964 Daniel FLANIGAN ♂1875 – 1876 James H FLANIGAN ♂1844 – James Jr. FLANIGAN ♂1830 – 1905 Margaret FLANIGAN ♀1880 – 1880 Gavigan Genealogy Genealogy (from Greek: γενεαλογία genealogia from γενεά genea, “generation” and λόγος logos, “knowledge”), also known as family history, is the study of families and the tracing of their lineages and history.