Heidy is an uncommon variant of Heidi that peaked in 2010 and has grown less common since.
Heidy is a girl name. In 2025 it ranked #1,917 for girl births in the United States (and #3,515 across all names), given to 101 babies. Heidy first appears in 1955 and peaked in 2010 (338 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 101 | 101 | #1,917 |
| 2024 | 111 | 111 | #1,812 |
| 2023 | 119 | 119 | #1,730 |
| 2022 | 107 | 107 | #1,888 |
| 2021 | 102 | 102 | #1,932 |
| 2020 | 117 | 117 | #1,722 |
| 2019 | 134 | 134 | #1,590 |
| 2018 | 122 | 122 | #1,697 |
| 2017 | 127 | 127 | #1,690 |
| 2016 | 125 | 125 | #1,707 |
| 2015 | 134 | 134 | #1,603 |
| 2014 | 138 | 143 | #1,573 |
| 2013 | 191 | 191 | #1,249 |
| 2012 | 217 | 217 | #1,134 |
| 2011 | 242 | 242 | #1,032 |
| 2010 | 338 | 338 | #809 |
| 2009 | 270 | 279 | #982 |
| 2008 | 285 | 290 | #950 |
| 2007 | 262 | 270 | #1,013 |
| 2006 | 220 | 231 | #1,127 |
| 2005 | 226 | 235 | #1,055 |
| 2004 | 236 | 247 | #1,001 |
| 2003 | 198 | 210 | #1,115 |
| 2002 | 205 | 217 | #1,049 |
| 2001 | 143 | 152 | #1,346 |
| 2000 | 124 | 144 | #1,482 |
| 1999 | 115 | 131 | #1,495 |
| 1998 | 115 | 132 | #1,483 |
| 1997 | 83 | — | #1,808 |
| 1996 | 105 | — | #1,523 |
| 1995 | 87 | — | #1,692 |
| 1994 | 90 | — | #1,667 |
| 1993 | 97 | — | #1,583 |
| 1992 | 72 | — | #1,934 |
| 1991 | 57 | — | #2,277 |
| 1990 | 64 | — | #2,072 |
| 1989 | 52 | — | #2,287 |
| 1988 | 43 | — | #2,501 |
| 1987 | 24 | — | #3,665 |
| 1986 | 17 | — | #4,604 |
| 1985 | 30 | — | #3,032 |
| 1984 | 40 | — | #2,394 |
| 1983 | 29 | — | #2,933 |
| 1982 | 26 | — | #3,287 |
| 1981 | 32 | — | #2,802 |
| 1980 | 23 | — | #3,542 |
| 1979 | 20 | — | #3,814 |
| 1978 | 28 | — | #2,890 |
| 1977 | 13 | — | #5,029 |
| 1976 | 9 | — | #6,230 |
| 1975 | 20 | — | #3,428 |
| 1974 | 15 | — | #4,100 |
| 1973 | 18 | — | #3,527 |
| 1972 | 8 | — | #6,161 |
| 1971 | 15 | — | #4,012 |
| 1970 | 16 | — | #3,769 |
| 1969 | 10 | — | #4,827 |
| 1968 | 6 | — | #6,517 |
| 1967 | 6 | — | #6,295 |
| 1966 | 11 | — | #4,043 |
| 1965 | 13 | — | #3,623 |
| 1964 | 13 | — | #3,766 |
| 1963 | 8 | — | #5,026 |
| 1962 | 8 | — | #5,021 |
| 1961 | 8 | — | #5,037 |
| 1960 | 12 | — | #3,777 |
| 1959 | 9 | — | #4,426 |
| 1958 | 6 | — | #5,667 |
| 1957 | 6 | — | #5,660 |
| 1956 | 7 | — | #5,018 |
| 1955 | 5 | — | #6,186 |