Guinness is a distinctive boys' name in United States, ranking #10992 in 2000 with 5 recorded births. This places Guinness in the bottom 9% 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 2000, approximately 1 in every 392,786 boys born was named Guinness. RISING Recent data shows the name is currently rising.