Claude was a Top 100 American boy’s name from 1880 through 1922
Clayton’s lowest rank in over 100 years (USA) was in 2009, when it came in at No. 272
Clifford was a consistent Top 100 name for American males between 1886 and 1945
Clinton was a very popular 20th century male name in the USA, peaking at No. 124 in 1981
Cody’s peak popularity in the USA was between 1987 and 1999 when it was a Top 50 name for boys
Cole became a Top 100 American male name in the USA in 1997, but dropped to No. 102 in 2012
Colton first became a Top 100 American male name in the USA in 2008. Highest rank so far: No. 59 in 2015
Constantine was in the Top 1000 American male names consistently from 1910 to 1993, with a high rank of 618 in 1919
Corbin has consistently been in the Top 300 American male names since 2006, coming in at No. 217 in 2013.