Vaughn reached Top 400 popularity in the USA from 1947 to 1951
As a Top 500 American male name, Tristan jumped from No. 452 in 1994 to No. 121 in 1995, and in and out of the Top 100 since then
Trevor entered the Top 100 most popular American baby boy names in 1986 and stayed there through 2003
Rihanna entered the most popular American baby girl names in 2006 at No. 529. By 2011, it was No. 729
Rhonda was a consistent Top 100 American baby girl name from 1952 to 1975, peaking at No. 37 in 1965
Rhys first showed up in the Top 1000 American baby boy in 2004 at No. 940. By 2012, it ranked No. 476
Rhodri and Roderick are sometimes said to be variations of each other. Although the meanings are similar, the origin of each name is quite different.
In 2012, 471 American baby boys were named Reese and 554 were named Reece
Powell only made the Top 1000 American male names once: in 1891 at No. 936.
Owen entered the Top 100 American baby boy names for the first time in 2002. By 2011, it was No. 44
Gregory was a Top 50 American baby boy name between 1947 and 1988
Justin was a Top 10 American baby boy name between 1987 and 1990. By 2010, it was No. 50
Moira has never been that popular a name in the USA, but it did make the Top 1000 Popular Names in 9 of the years between 1955 and 1968
Isabella took over the No. 1 spot in the USA in 2009 and was still No. 1 in 2010