Cidney is a rare girls' name that was most common in the 1990s and has all but disappeared.
Cidney is predominantly a girl name. It last appears in U.S. records in 2017. Cidney first appears in 1949 and peaked in 1999 (58 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2017 | 5 | 5 | #16,403 | — |
| 2016 | 7 | 7 | #13,211 | — |
| 2015 | 8 | 8 | #12,085 | — |
| 2014 | 13 | 13 | #8,584 | — |
| 2013 | 14 | 14 | #8,231 | — |
| 2012 | 15 | 15 | #7,909 | — |
| 2011 | 15 | 15 | #7,882 | — |
| 2010 | 17 | 17 | #7,288 | — |
| 2009 | 24 | 24 | #5,745 | — |
| 2008 | 26 | 26 | #5,471 | — |
| 2007 | 32 | 32 | #5,269 | #12,696 |
| 2006 | 34 | 34 | #4,280 | — |
| 2005 | 38 | 38 | #3,818 | — |
| 2004 | 45 | 45 | #3,348 | — |
| 2003 | 40 | 40 | #3,544 | — |
| 2002 | 36 | 36 | #3,668 | — |
| 2001 | 33 | 33 | #3,881 | — |
| 2000 | 56 | 56 | #2,639 | — |
| 1999 | 58 | 58 | #2,479 | — |
| 1998 | 47 | 47 | #2,802 | — |
| 1997 | 45 | — | #2,740 | — |
| 1996 | 35 | — | #3,308 | — |
| 1995 | 49 | — | #2,562 | — |
| 1994 | 34 | — | #3,718 | #9,032 |
| 1993 | 19 | — | #5,032 | — |
| 1992 | 26 | — | #3,990 | — |
| 1991 | 20 | — | #4,840 | — |
| 1990 | 19 | — | #4,905 | — |
| 1989 | 11 | — | #7,063 | — |
| 1988 | 15 | — | #5,376 | — |
| 1987 | 6 | — | #10,085 | — |
| 1986 | 7 | — | #8,711 | — |
| 1985 | 8 | — | #7,714 | — |
| 1978 | 6 | — | #8,750 | — |
| 1975 | 5 | — | #9,335 | — |
| 1967 | 7 | — | — | #3,294 |
| 1963 | 7 | — | #5,392 | — |
| 1953 | 5 | — | #5,798 | — |
| 1949 | 5 | — | #5,358 | — |