Meaning not yet researched.
Declan: US boys given the name each year, 1880 to 2025, from Social Security card applications. 2,570 in 2025. Its best rank was #95 in 2019.
US births per year · SSA card applications
Peaked at #95 in 2019; #139 in 2025. About 99% of babies named Declan in 2025 were boys.
Baby name · US data 1880–2025
#139 for US boys in 2025. Its best year was 2019, at #95.
Hover, tap or use the arrow keys for any year. Years with fewer than five babies of a sex are not published by SSA and show as zero.
Declan: US boys given the name each year from 1880 to 2025. 2,570 boys in 2025. Peak: #95 in 2019 · most boys in one year: 3,971 (2019).
In 2025, 2,570 US boys were named Declan, making it the 139th most common boys’ name of the year, down 7 places from #132 in 2024. That is 195 fewer than the 2,765 boys named Declan in 2024. Its best rank for boys was #95, reached in 2019. That year also had the most boys given the name: 3,971. For comparison, it was #112 in 2015 and unranked in 1950.
Social Security card records list Declan in 68 years of the 146 from 1880 to 2025, starting in 1951 with 5 babies. In all, 58,950 US babies have been given the name, 0.7% of them girls and 99% boys. Its busiest decade was the 2010s, with 31,336 babies named Declan.
Over the 10 years from 2016 to 2025, 33,618 US boys were named Declan; the busiest of those years was 2019, with 3,971. In 2025 that was about 1 in 665 of the boys in SSA’s list for the year.
Among the states, Declan ranked highest in Delaware in 2025, at #69 for boys there. It was in the top 100 in 12 states (counting DC). Related spellings in the SSA files include Deklan (2,484 babies since 1880), Deklyn (975 babies since 1880) and Declyn (768 babies since 1880). Rarer spellings such as Decklan, Deklin and Decklyn are summarised on this page.
Meaning not yet researched.
We publish a meaning only with a cited source and a confidence label, and never generate one. Meanings are being researched for the most common names first.
Rare spellings summarised here: Decklan (600), Deklin (595), Decklyn (510), Deklen (308), Declynn (233), Decklin (218), Declin (89), Declen (82), Decklen (75), Declann (7), Dekklan (5).
Numbers are all-time US births. Links come from Wikidata’s “said to be the same as” (P460, CC0) and our spelling rule: at most two letters different, with the same sound pattern.
No nicknames listed for Declan in the open dataset we use.
Source: carltonnorthern/nicknames (Apache-2.0).
US boys. Rank within each state. SSA leaves out states where fewer than five boys got the name, so every state is listed.
| State | Births 2025 | Rank 2025 | Rank 2015 |
|---|---|---|---|
| Delaware | 14 | #69 | #94 |
| Montana | 16 | #70 | #60 |
| Wyoming | 6 | #74 | #85 |
| New Hampshire | 20 | #76 | #59 |
| Pennsylvania | 155 | #77 | #66 |
| Massachusetts | 86 | #84 | #51 |
| District of Columbia | 10 | #86 | #96 |
| Vermont | 6 | #86 | #55 |
| Maine | 15 | #86 | #67 |
| Virginia | 92 | #98 | #78 |
| Alaska | 8 | #99 | #140 |
| Ohio | 126 | #100 | #110 |
| North Carolina | 117 | #104 | #127 |
| Idaho | 24 | #104 | #47 |
| Nebraska | 24 | #106 | #88 |
| Wisconsin | 57 | #106 | #99 |
| Washington | 69 | #111 | #84 |
| Rhode Island | 10 | #115 | #107 |
| New Jersey | 83 | #116 | #79 |
| New York | 156 | #116 | #94 |
| Connecticut | 32 | #119 | #76 |
| Kansas | 32 | #120 | #101 |
| Oregon | 33 | #120 | #107 |
| Illinois | 94 | #123 | #87 |
| Colorado | 56 | #125 | #63 |
| South Dakota | 10 | #130 | #95 |
| South Carolina | 42 | #132 | #126 |
| Kentucky | 42 | #133 | #147 |
| Michigan | 74 | #137 | #108 |
| Tennessee | 70 | #138 | #123 |
| North Dakota | 9 | #139 | #90 |
| Minnesota | 46 | #142 | #78 |
| Missouri | 49 | #143 | #115 |
| West Virginia | 14 | #143 | #140 |
| Indiana | 57 | #143 | #127 |
| Arkansas | 25 | #145 | #143 |
| Iowa | 29 | #147 | #79 |
| Oklahoma | 32 | #148 | #224 |
| Utah | 36 | #148 | #103 |
| Maryland | 39 | #149 | #89 |
| Hawaii | 7 | #157 | #242 |
| Louisiana | 32 | #159 | #267 |
| Florida | 135 | #160 | #150 |
| Nevada | 18 | #169 | #131 |
| Alabama | 32 | #180 | #238 |
| Mississippi | 17 | #183 | #270 |
| Arizona | 46 | #189 | #151 |
| New Mexico | 10 | #199 | #242 |
| Georgia | 52 | #234 | #190 |
| Texas | 158 | #247 | #247 |
| California | 148 | #254 | #182 |
Births and national rank for each year SSA lists the name, newest first.
| Year | Girls | Girls rank | Boys | Boys rank |
|---|---|---|---|---|
| 2025 | 17 | #6,606 | 2,570 | #139 |
| 2024 | 14 | #7,688 | 2,765 | #132 |
| 2023 | 30 | #4,588 | 2,814 | #132 |
| 2022 | 30 | #4,615 | 3,345 | #114 |
| 2021 | 40 | #3,755 | 3,647 | #106 |
| 2020 | 31 | #4,377 | 3,601 | #102 |
| 2019 | 36 | #4,031 | 3,971 | #95 |
| 2018 | 30 | #4,588 | 3,812 | #101 |
| 2017 | 40 | #3,792 | 3,470 | #115 |
| 2016 | 28 | #4,889 | 3,623 | #109 |
| 2015 | 21 | #6,086 | 3,587 | #112 |
| 2014 | 16 | #7,402 | 3,321 | #123 |
| 2013 | 22 | #5,870 | 3,116 | #121 |
| 2012 | 18 | #6,942 | 2,781 | #143 |
| 2011 | 13 | #8,755 | 2,169 | #176 |
| 2010 | 5 | #17,684 | 1,257 | #274 |
| 2009 | — | — | 1,046 | #309 |
| 2008 | — | — | 942 | #347 |
| 2007 | — | — | 923 | #348 |
| 2006 | 6 | #15,616 | 817 | #367 |
| 2005 | — | — | 842 | #353 |
| 2004 | — | — | 606 | #431 |
| 2003 | — | — | 611 | #423 |
| 2002 | — | — | 562 | #441 |
| 2001 | 6 | #13,976 | 531 | #454 |
| 2000 | — | — | 388 | #545 |
| 1999 | — | — | 351 | #569 |
| 1998 | — | — | 234 | #712 |
| 1997 | — | — | 124 | #1,031 |
| 1996 | — | — | 105 | #1,132 |
| 1995 | — | — | 92 | #1,208 |
| 1994 | — | — | 66 | #1,457 |
| 1993 | — | — | 49 | #1,746 |
| 1992 | — | — | 44 | #1,857 |
| 1991 | — | — | 33 | #2,197 |
| 1990 | — | — | 37 | #2,022 |
| 1989 | — | — | 34 | #2,076 |
| 1988 | — | — | 23 | #2,533 |
| 1987 | — | — | 14 | #3,379 |
| 1986 | — | — | 12 | #3,693 |
| 1985 | — | — | 15 | #3,105 |
| 1984 | — | — | 8 | #4,650 |
| 1983 | — | — | 10 | #3,937 |
| 1982 | — | — | 13 | #3,334 |
| 1981 | — | — | 10 | #3,912 |
| 1980 | — | — | 6 | #5,689 |
| 1978 | — | — | 6 | #5,206 |
| 1977 | — | — | 6 | #5,286 |
| 1976 | — | — | 7 | #4,542 |
| 1975 | — | — | 8 | #4,040 |
| 1974 | — | — | 9 | #3,630 |
| 1971 | — | — | 6 | #4,519 |
| 1970 | — | — | 11 | #2,933 |
| 1969 | — | — | 9 | #3,118 |
| 1968 | — | — | 8 | #3,168 |
| 1967 | — | — | 7 | #3,326 |
| 1966 | — | — | 5 | #4,070 |
| 1965 | — | — | 7 | #3,312 |
| 1964 | — | — | 7 | #3,354 |
| 1963 | — | — | 10 | #2,715 |
| 1962 | — | — | 5 | #4,185 |
| 1961 | — | — | 5 | #4,200 |
| 1960 | — | — | 7 | #3,417 |
| 1959 | — | — | 5 | #4,124 |
| 1957 | — | — | 6 | #3,653 |
| 1956 | — | — | 5 | #4,071 |
| 1955 | — | — | 6 | #3,585 |
| 1951 | — | — | 5 | #3,830 |
About the data: counts are Social Security card applications for US births, for names given to at least five babies of a sex in a year (SSA, names.zip, public domain). Ranks follow SSA’s own order: most births first, ties alphabetical. Files retrieved 2026-10-05 (checksum on our sources page).