In 1991, Congress designated March as Irish American Heritage month, but celebrations of Saint Patrick's Day date back to the 1600s. Here's a look at how many people in the U.S. have ties to the ...

Migrants are more likely to be working than Irish-born people but face higher costs, according to research from the ESRI.

Here's a look at the state's Irish roots ... Here are the states with the highest percentage of Irish people, according to Census data: Melina Khan is a trending reporter for the USA TODAY ...