Start your family tree now Is your surname Lonergan?
There are already 50 users and 684 genealogy profiles with the Lonergan surname on Geni. Explore Lonergan genealogy and family history in the World's Largest Family Tree.

Lonergan Genealogy and Lonergan Family History Information

‹ Back to Surnames Index

Create your Family Tree.
Discover your Family History.

  • Build your family tree online
  • Share photos and videos
  • Smart Matching™ technology
  • Free!


view all


  • Capt. John Lonergan, Medal of Honor (1839 - 1902)
    Citation Gallantry in the recapture of 4 guns and the capture of 2 additional guns from the enemy; also the capture of a number of prisoners. Civil War Congressional Medal of Honor Recipient. S...
  • Kenneth Lonergan
    Kenneth Lonergan (born October 16, 1962) is an American playwright, screenwriter, and director. He is best known for writing Gangs of New York (2002) and for writing and directing Manchester by the S...
  • ? Lonergan (deceased)
  • ? Hanrahan Lonergan (deceased)
  • ? Lonergan (deceased)

About the Lonergan surname

Common name in Co. Tipperary, Ireland