Alydia
Alydia was given to 5 girls in 2025, #15,065 among girls’ names; 627 Americans have been recorded with it since 1918 (Social Security Administration, published May 2026).
Girls and boys together; gaps are years SSA did not record (fewer than 5 births).
Births of Alydia by year: SSA national baby-name file, 1880-2025, published May 8, 2026. SSA’s notes on the data.
How popular is Alydia?
#15,065 among girls’ names, 2025
Alydia fell from #6,251 in 2015 to #15,065 in 2025 among girls’ names; its share of girls born fell from 11.2 to 3.1 per million.
36 babies in 2014, the peak
Alydia peaked in 2014, when 36 girls were given it, #4,107 among girls’ names. The 5 births of 2025 are 14% of that peak.
| Year | Births | Rank | Per million girls |
|---|---|---|---|
| 2025 | 5 | #15,065 | 3.1 |
| 2024 | 15 | #7,268 | 9.3 |
| 2023 | 12 | #8,504 | 7.5 |
| 2022 | 26 | #5,032 | 15.9 |
| 2021 | 20 | #5,961 | 12.2 |
| 2020 | 17 | #6,645 | 10.5 |
| 2019 | 18 | #6,425 | 10.7 |
| 2018 | 34 | #4,150 | 20.0 |
| 2017 | 19 | #6,302 | 11.0 |
| 2016 | 16 | #7,252 | 9.0 |
Every recorded year (35)
| Year | Births | Rank | Per million girls |
|---|---|---|---|
| 2015 | 20 | #6,251 | 11.2 |
| 2014 | 36 | #4,107 | 20.2 |
| 2013 | 32 | #4,430 | 18.2 |
| 2012 | 19 | #6,594 | 10.8 |
| 2011 | 23 | #5,741 | 13.1 |
| 2010 | 26 | #5,249 | 14.6 |
| 2009 | 31 | #4,688 | 16.9 |
| 2008 | 30 | #4,891 | 15.9 |
| 2007 | 23 | #5,901 | 12.0 |
| 2006 | 23 | #5,720 | 12.1 |
| 2005 | 26 | #4,961 | 14.1 |
| 2004 | 16 | #7,099 | 8.7 |
| 2003 | 22 | #5,428 | 12.0 |
| 2002 | 16 | #6,706 | 8.9 |
| 2001 | 19 | #5,827 | 10.6 |
| 2000 | 13 | #7,598 | 7.2 |
| 1999 | 13 | #7,259 | 7.3 |
| 1998 | 15 | #6,380 | 8.5 |
| 1997 | 6 | #12,156 | 3.4 |
| 1995 | 11 | #7,542 | 6.3 |
| 1993 | 5 | #13,514 | 2.8 |
| 1992 | 5 | #13,376 | 2.7 |
| 1991 | 5 | #13,227 | 2.7 |
| 1949 | 5 | #5,260 | 2.9 |
| 1918 | 5 | #4,837 | 4.3 |
Ranks and shares: girls’ names in each year’s SSA file; share of all girls SSA recorded that year.
Is Alydia a boy’s or a girl’s name?
Alydia has been recorded only for girls: SSA lists no boys with the name in 35 years of records (it lists a name only in years with 5 or more babies of a sex).
Girls and boys named Alydia: the SSA national file counts each sex separately.
How many people are named Alydia, and how old are they?
An estimated 615 Americans named Alydia and born in the U.S. are alive in 2026 (98% of everyone recorded); the median is 15 years old and half are between 9 and 21. An estimate from SSA’s births and life tables, not a count.
The 2020 Census counted 539 people named Alydia (534 women and girls, 5 men and boys). SSA’s births carried forward to Census day, April 1, 2020, predict 526 born in the U.S. The Census count is 2% above that prediction.
Living estimate: SSA births carried forward with the survival rates in SSA’s cohort life tables (2024 Trustees Report) for each birth year and sex. How the estimate is made. Count: Census Bureau, first names in the 2020 Census (released April 14, 2026; names reported 100 or more times, with the Bureau’s disclosure-avoidance adjustment).
Names spelled alike
Of these 7 names spelled alike, given to 13,440 babies since 1880, Alydia is the fifth most given (4.7% of them). In 2025 it was given to 5 of their 78 babies (6.4%), the third most given that year.
Spelled alike: names in the SSA national file with the same pattern of letters and sounds and at most two letters apart, and Wiktionary’s listed forms; births since 1880 and in 2025, and each name’s peak year, from the SSA national file, published May 8, 2026. Some are separate names, not spellings of one.
Names that rose and fell in the same decades as Alydia
Names whose births rose and fell across the same decades, measured on each decade’s share of births.
Similar histories: each decade’s share of births, from the SSA national file, 1880-2025, published May 8, 2026. SSA’s notes on the data.
More about Alydia and names like it
- Compare Alydia and AldaBirths, ranks, peak and the living estimate side by side.
- The most given names of the 2010sAlydia peaked in 2014.
- Ohio’s most given namesThe state where SSA recorded the most babies named Alydia since 1910.
- The top names of 2014The year the most babies were named Alydia.
- The names of Generation ZMost people named Alydia alive today were born 1997-2012.
- Names starting with AMost given first.