IrishCentral and Findmypast have collaborated to provide advice on researching family history through fraternal organizations. Their top picks are: 1) Ancient Order of Hibernians 2) Knights of Equity 3) St Patrick's Alliance of America 4) Catholic Daughters of the Americas 5) Knights of Columbus They also give mention to a sixth group, Friendly Sons of St Patrick. Most of the recommended organizations have websites. Read the entire article here:  www.irishcentral.com/roots/Top-Five-Irish-Fraternal-Orders-You-Need-to-Include-in-Your-Family-History.html