The O'Reillys round out the top 10 most common last names in Ireland. Their family name is derived from the Irish "O'Raghailligh," meaning descendants of Raghaillach.

Over four million Irish immigrants came to the United States between 1820 and 1930. Their surnames are still common around the country, especially in historic enclaves in the Northeast.

When it comes to the most common Irish surnames, Murphy is still top dog. The Central Statistics Office have released data on the top 20 surnames of babies registered in Ireland last year.

We've got insight into 105 of common Irish last names, and their meanings. The luck of the Irish. Where to begin? Perhaps with the Celts, an ancient people who lived in a much larger territory ...

The Central Statistics Office has just released its Year in Numbers report, with a slew of surveys, combined with most recent census and other data, shedding light on everything, ...

30 most common Irish last names and the meanings behind them Irish surnames can be found all over Merseyside. Comments. News. Lottie Gibbons Executive editor SEO and engagement and Laura Grainger.