Joslyn is an established variant of Jocelyn that peaked in 2010 and has since faded.
Joslyn is predominantly a girl name. In 2025 it ranked #2,732 for girl births in the United States (and #4,815 across all names), given to 63 babies. Joslyn was first reported in SSA data in 1930 and peaked in 2010 (461 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 63 | 63 | #2,732 | — |
| 2024 | 83 | 83 | #2,256 | — |
| 2023 | 104 | 104 | #1,914 | — |
| 2022 | 125 | 125 | #1,679 | — |
| 2021 | 156 | 156 | #1,400 | — |
| 2020 | 176 | 176 | #1,272 | — |
| 2019 | 224 | 224 | #1,099 | — |
| 2018 | 239 | 239 | #1,069 | — |
| 2017 | 285 | 285 | #929 | — |
| 2016 | 282 | 282 | #961 | — |
| 2015 | 321 | 321 | #870 | — |
| 2014 | 319 | 319 | #863 | — |
| 2013 | 385 | 385 | #717 | — |
| 2012 | 416 | 416 | #678 | — |
| 2011 | 448 | 448 | #637 | — |
| 2010 | 461 | 461 | #641 | — |
| 2009 | 432 | 432 | #674 | — |
| 2008 | 420 | 420 | #711 | — |
| 2007 | 420 | 420 | #694 | — |
| 2006 | 399 | 399 | #714 | — |
| 2005 | 372 | 372 | #729 | — |
| 2004 | 323 | 323 | #789 | — |
| 2003 | 317 | 317 | #780 | — |
| 2002 | 294 | 294 | #798 | — |
| 2001 | 210 | 210 | #1,027 | — |
| 2000 | 182 | 182 | #1,123 | — |
| 1999 | 180 | 180 | #1,104 | — |
| 1998 | 189 | 189 | #1,044 | — |
| 1997 | 178 | — | #1,067 | — |
| 1996 | 201 | — | #981 | #7,530 |
| 1995 | 143 | — | #1,206 | — |
| 1994 | 161 | — | #1,120 | — |
| 1993 | 134 | — | #1,276 | — |
| 1992 | 135 | — | #1,269 | — |
| 1991 | 126 | — | #1,316 | — |
| 1990 | 151 | — | #1,141 | — |
| 1989 | 121 | — | #1,303 | — |
| 1988 | 115 | — | #1,271 | — |
| 1987 | 88 | — | #1,473 | — |
| 1986 | 83 | — | #1,500 | — |
| 1985 | 86 | — | #1,451 | — |
| 1984 | 99 | — | #1,308 | #6,813 |
| 1983 | 94 | — | #1,296 | — |
| 1982 | 96 | — | #1,312 | — |
| 1981 | 94 | — | #1,331 | — |
| 1980 | 83 | — | #1,463 | — |
| 1979 | 78 | — | #1,507 | — |
| 1978 | 106 | — | #1,233 | #6,277 |
| 1977 | 129 | — | #1,063 | #5,470 |
| 1976 | 57 | — | #1,803 | #6,022 |
| 1975 | 27 | — | #2,768 | — |
| 1974 | 42 | — | #2,009 | — |
| 1973 | 31 | — | #2,428 | — |
| 1972 | 31 | — | #2,370 | — |
| 1971 | 30 | — | #2,509 | — |
| 1970 | 32 | — | #2,373 | — |
| 1969 | 32 | — | #2,276 | — |
| 1968 | 22 | — | #2,745 | — |
| 1967 | 14 | — | #3,547 | — |
| 1966 | 17 | — | #3,097 | — |
| 1965 | 22 | — | #2,639 | — |
| 1964 | 12 | — | #3,967 | — |
| 1963 | 30 | — | #2,185 | — |
| 1962 | 29 | — | #2,230 | — |
| 1961 | 29 | — | #2,218 | — |
| 1960 | 24 | — | #2,473 | — |
| 1959 | 26 | — | #2,260 | — |
| 1958 | 39 | — | #1,749 | — |
| 1957 | 40 | — | #1,714 | — |
| 1956 | 57 | — | #1,391 | — |
| 1955 | 50 | — | #1,432 | — |
| 1954 | 44 | — | #1,526 | — |
| 1953 | 41 | — | #1,539 | — |
| 1952 | 43 | — | #1,478 | — |
| 1951 | 41 | — | #1,473 | — |
| 1950 | 26 | — | #1,885 | — |
| 1949 | 8 | — | #4,052 | — |
| 1948 | 7 | — | #4,390 | — |
| 1947 | 8 | — | #4,159 | — |
| 1943 | 8 | — | #3,645 | — |
| 1939 | 5 | — | #4,568 | — |
| 1930 | 5 | — | #4,890 | — |