Cydnie is a rare variant of Cydney that was most common in the 1990s and has all but disappeared.
Cydnie is a girl name. It last appears in U.S. records in 2011. Cydnie was first reported in SSA data in 1953 and peaked in 1997 (27 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2011 | 7 | 7 | #13,691 |
| 2010 | 6 | 6 | #15,413 |
| 2009 | 8 | 8 | #12,708 |
| 2008 | 11 | 11 | #10,241 |
| 2007 | 10 | 10 | #11,022 |
| 2006 | 14 | 14 | #8,348 |
| 2005 | 19 | 19 | #6,333 |
| 2004 | 18 | 18 | #6,550 |
| 2003 | 15 | 15 | #7,295 |
| 2002 | 18 | 18 | #6,202 |
| 2001 | 19 | 19 | #5,867 |
| 2000 | 23 | 23 | #5,026 |
| 1999 | 27 | 27 | #4,228 |
| 1998 | 19 | 19 | #5,419 |
| 1997 | 27 | — | #4,031 |
| 1996 | 20 | — | #4,909 |
| 1995 | 19 | — | #5,061 |
| 1994 | 15 | — | #6,051 |
| 1993 | 12 | — | #7,119 |
| 1992 | 17 | — | #5,534 |
| 1991 | 7 | — | #10,508 |
| 1990 | 9 | — | #8,639 |
| 1989 | 8 | — | #8,927 |
| 1988 | 6 | — | #10,655 |
| 1987 | 5 | — | #11,689 |
| 1986 | 5 | — | #11,321 |
| 1967 | 5 | — | #6,985 |
| 1966 | 5 | — | #6,771 |
| 1956 | 6 | — | #5,414 |
| 1953 | 5 | — | #5,828 |