Show ContentsO'Connolys History, Family Crest & Coats of Arms

While many Irish names are familiar, their past incarnations are often shrouded in mystery, reflecting the ancient Gaelic heritage of their bearers. The original Gaelic form of the name O'Connolys is Ó Conghalaigh, Ó Conghaile, or Ó Coingheallaigh. 1

Early Origins of the O'Connolys family

The surname O'Connolys was first found in Connacht and Munster, as well as County Monaghan and Leinster. There were three Gaelic septs whose name was Anglicized as Connolly: the O Conghalaigh sept (also known as O Conghaile) who lived in Connacht and the adjacent County Monaghan; the O Coingheallaigh sept, which also used the alias Mac Coingheallaigh, were subordinate to the powerful O'Donovans and dwelled in West Cork in Munster; and another sept, related to the O'Maddens, resided in Connacht and were of the Ui Maine. 2

Early History of the O'Connolys family

This web page shows only a small excerpt of our O'Connolys research. Another 115 words (8 lines of text) covering the years 1014, 1591, 1660, 1715, 1729, 1738, 1750, 1760, 1803 and 1825 are included under the topic Early O'Connolys History in all our PDF Extended History products and printed products wherever possible.

O'Connolys Spelling Variations

Within archives, many different spelling variations exist for the surname O'Connolys. Ancient scribes and church officials recorded names as they were pronounced, often resulting in the name of the single person being recorded under several different spellings. Different spellings that were found include Connolly, Conolly, Connally, O'Connolly, Connolley, Conally, Connelly, Conoley, Connaleigh, Connelay, Conley, Conlay, Conlaye and many more.

Early Notables of the O'Connolys family

Notable amongst the family name at this time was William Connolly (c.1660-1729), Speaker of the House of Commons. He was the son of a publican, or, as some say, of a blacksmith. Having been called to the bar, he soon made way in his profession; but he distinguished himself more particularly in the Irish House of Commons, of which he was chosen speaker 12 Nov. 1715. He continued to hold this post until his resignation through failure of health, 12 Oct...
Another 80 words (6 lines of text) are included under the topic Early O'Connolys Notables in all our PDF Extended History products and printed products wherever possible.

Migration of the O'Connolys family

Irish families fled the English-colonized Ireland in record numbers during the 19th century for North America. Many of those destitute families died from disease during, and even shortly after, the long journey. Although those that immigrated before the Great Potato Famine of the 1840s often were granted a tract of land, those that arrived later were generally accommodated in urban centers or in work camps. Those in the urban centers would labor in the manufacturing sector, whereas those in work camps would to build critical infrastructures such as bridges, canals, roads, and railways. Regardless of when these Irish immigrants came to North America, they were critical for the rapid development of the young nations of the United States and Canada. Early immigration and passenger lists have recorded many early immigrants bearing the name of O'Connolys: Michael and Thomas Connally who settled in Philadelphia, Pennsylvania in 1834 and 1856 respectively; M. Connolley settled in New York in 1820; John Connolly settled in Virginia in 1773.



  1. MacLysaght, Edward, Supplement to Irish Families. Baltimore: Genealogical Book Company, 1964. Print.
  2. MacLysaght, Edward, Irish Families Their Names, Arms and Origins 4th Edition. Dublin: Irish Academic, 1982. Print. (ISBN 0-7165-2364-7)


Houseofnames.com on Facebook