Guinness is a distinctive boys' name in United States, ranking #11500 in 2003 with 5 recorded births. This places Guinness in the bottom 10% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2009 with 9 births ranking #8535. In 2003, approximately 1 in every 395,054 boys born was named Guinness. RISING Recent data shows the name is currently rising.