Hennessey households in mid-nineteenth century Ireland

Householders by county in (1847-64), as on the map

Click on a county to see more detail

Surname Dictionary

Hennessy Very numerous: all areas, mainly Munster and S Leinster. Ir. Ó h-Aonghusa, from the personal name Aonghus, earlier Óengus. There were septs in the Midlands and W Cork. The Hennessys of Cognac fame came from Mallow. IF.
Hensey fairly rare: Dublin and scattered. A variant of Hennessy, q.v.
Ó h-Aonghusa rare: scattered. Ir.Lang. See Hennessy.
Ó h-Aonghusa Hennessy: líonmhar: Laighin & Mumhain. Clann a bhí suite in Uíbh Fhailí. Leathaigh go C. Mumhan mar a mbíonn Henchy ortha uaireannta. B'as Mala do lucht an bhranda sa Fhrainc. IF & SGG.


  • Hennessey in 1659.
  • Hennessey births mapped 1864-1913
  • Hennessey 1901 census map
  • Hennessey 1911 census map
  • Hennessey Roman Catholic baptisms
  • Hennessey Roman Catholic marriages NEW!

The surname

Parishes where Hennessey and a second surname are found together


Variants in Griffith's
& total households

Click here to see all variants on a single map

Click on a name to see it on the map.

Non-Griffith's Variants

Click here for all variant sources.

Irish Times subscribers | | John Grenham | | Sitemap | | Login | | Subscribe | | Contact | | FAQs | | What's new?| | Privacy policy

Copyright © John Grenham 2021