We provide personalised research services to people tracing their Irish heritage.

About Ancestor Network


Ancestor Network Limited is a collective of Ireland’s most experienced genealogical experts. Ancestor Network, Ireland’s leading provider of professional genealogy and probate research, was established in May 2009. Ancestor Network is made up of the largest team of professional genealogists across the island of Ireland. Collectively, our genealogists have over 200 years’ research experience in Ireland and abroad.


Ancestor Network conducts Irish probate research for global heir hunter and professional legal firms. It has provided the popular genealogy advisory service at the National Library of Ireland for the past five consecutive years. It was exclusive genealogical researcher for RTÉ’s ‘The Genealogy Roadshow’ and successfully managed projects such as the Kerry Genealogy Road Show, County Monaghan Genealogy Training, and Report on Heritage and Genealogy Initiatives in Carlow. In 2014 it acquired Flyleaf Press (, the specialist Irish genealogy book publisher. The Company is focused on probate and individual research, education, advisory services, consultancy and e-publishing. Our genealogy and heritage services can be provided flexibly, to almost any scale, and with the broadest possible range of advisory and research skills. Our unique panel of experts can provide an unmatched experience for the customer – whether an individual or an institution.


Eye-witnesses to our ancestors: Travellers’ writings
This blog concerns the accounts of travellers  as a  background source in understanding how our ancestors lived.   While biographical...
Lockdown offer – 20% off online genealogy for a limited time
Lockdown Special – to May 15th 2020. For a limited time only we are offering a live personalized genealogy...
Great insights from Petty sources – the Petty Session Court Records
The skeleton of our family history is formed by the dates and names which we find in the major...
Ancestor Network Blog Map
We have updated our website to make it easier to find useful sources.    Our ‘Blogs’  link now has...
On-line Genealogy Advisory Service
Ancestor Network launches a new online genealogy service. Connect to Irish genealogy experts via Zoom.
Ancestor Network Update COVID-19 and Online Genealogy Advisory Service
John Hamrock, CEO of Ancestor Network, here with some latest news from Ancestor Network.
Tenants of the Wynne Estate, Sligo in 1798-1811
Small Sources 64:  This is a list of 84 tenants from the index to a rental among the Wynne...
Tenants of O’Hara Estate, Sligo 1796
Small Sources 65: This is a list of 212 tenants from a rental ledger among the O’Hara Papers in...
Domville tenants in Manulla area of Mayo 1833.
Small Sources 63:     This is a list of  95 tenants in several townlands in western Mayo in...
Tenants of O’Donel Estate in Cong, Co. Mayo 1790-1815.
This is a list of leases granted to 344 named tenants by the O'Donel estate in the Civil Parish...
New Edition of ´Tracing your Mayo Ancestors´
Flyleaf Press, the publishing arm of Ancestor Network, has published a third edition of its acclaimed guide to tracing...
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Ancestor Network - Genealogy Research Ireland