Mattisyn
Mattisyn was given to 5 girls in 2025, #16,431 among girls’ names; 204 Americans have been recorded with it since 2000 (Social Security Administration, published May 2026).
Girls and boys together; gaps are years SSA did not record (fewer than 5 births).
Births of Mattisyn by year: SSA national baby-name file, 1880-2025, published May 8, 2026. SSA’s notes on the data.
How popular is Mattisyn?
#16,431 among girls’ names, 2025
Mattisyn fell from #11,529 in 2015 to #16,431 in 2025 among girls’ names; its share of girls born fell from 5.0 to 3.1 per million.
17 babies in 2009, the peak
Mattisyn peaked in 2009, when 17 girls were given it, #7,568 among girls’ names. The 5 births of 2025 are 29% of that peak.
| Year | Births | Rank | Per million girls |
|---|---|---|---|
| 2025 | 5 | #16,431 | 3.1 |
| 2022 | 5 | #16,870 | 3.0 |
| 2019 | 9 | #11,062 | 5.4 |
| 2017 | 16 | #7,309 | 9.3 |
| 2016 | 12 | #9,234 | 6.8 |
| 2015 | 9 | #11,529 | 5.0 |
| 2014 | 8 | #12,680 | 4.5 |
| 2013 | 13 | #8,884 | 7.4 |
| 2012 | 8 | #13,014 | 4.5 |
| 2011 | 13 | #8,981 | 7.4 |
Every recorded year (21)
| Year | Births | Rank | Per million girls |
|---|---|---|---|
| 2010 | 11 | #10,235 | 6.2 |
| 2009 | 17 | #7,568 | 9.3 |
| 2008 | 11 | #10,539 | 5.8 |
| 2007 | 11 | #10,577 | 5.7 |
| 2006 | 16 | #7,726 | 8.4 |
| 2005 | 7 | #13,960 | 3.8 |
| 2004 | 6 | #15,386 | 3.3 |
| 2003 | 6 | #15,091 | 3.3 |
| 2002 | 9 | #10,782 | 5.0 |
| 2001 | 5 | #16,998 | 2.8 |
| 2000 | 7 | #12,647 | 3.9 |
Ranks and shares: girls’ names in each year’s SSA file; share of all girls SSA recorded that year.
Is Mattisyn a boy’s or a girl’s name?
Mattisyn has been recorded only for girls: SSA lists no boys with the name in 21 years of records (it lists a name only in years with 5 or more babies of a sex).
Girls and boys named Mattisyn: the SSA national file counts each sex separately.
How many people are named Mattisyn, and how old are they?
An estimated 202 Americans named Mattisyn and born in the U.S. are alive in 2026 (99% of everyone recorded); the median is 16 years old and half are between 11 and 20. An estimate from SSA’s births and life tables, not a count.
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.
Names spelled alike
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. Some are separate names, not spellings of one.
Names that rose and fell in the same decades as Mattisyn
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.