Kellaher
Kellaher is a surname of Irish origin. It is believed to be an anglicized form of the Gaelic O'Ceallachair, meaning "descendant of Ceallachair". The personal name Ceallachair itself is thought to derive from "ceall", meaning "church" or "battle". Families bearing this name were historically associated with the province of Munster, particularly in counties Tipperary and Limerick. Over centuries, the surname has spread throughout Ireland and to other parts of the world, including the United States, Canada, and Australia, due to emigration. Individuals with the Kellaher surname can be found in various professions and walks of life. Research into the Kellaher lineage often involves tracing ancestral roots back to Ireland, utilizing historical records such as census data, birth, marriage, and death certificates, and land records. The distribution and evolution of the surname reflect broader patterns of Irish migration and settlement.