Connellan

Connellan is a surname of Irish origin. It is found in Ireland and among Irish diaspora communities in North America, the United Kingdom, and Australia. The spelling Connellan is one variant among several Anglicized forms of Gaelic-origin surnames and is related to Connell and Connelly. Differences in spelling arose from transcription by clerks and migratory movements over centuries.

The exact etymology is not definitively established, but Connellan is commonly treated as a variant of Connell, a family name with historical usage in Ireland. The name appears in parish and civil records from the 16th century onward, with distribution patterns that reflect Irish emigration and settlement in various regions.

Notable bearers include individuals documented in historical and contemporary records across fields such as academia, public service, and the arts, though the name remains relatively uncommon.

Related surnames include Connell and Connelly, and other Anglicized forms appear in different regions. As with many Irish-origin names, Connellan's modern distribution mirrors patterns of migration and name standardization in English-language records.