Seith
Seith was last recorded in 2005, when 5 babies were given it; 125 Americans have been recorded with it between 1978 and 2005 (Social Security Administration, published May 2026).
Girls and boys together; gaps are years SSA did not record (fewer than 5 births).
Births of Seith by year: SSA national baby-name file, 1880-2025, published May 8, 2026. SSA’s notes on the data.
How popular is Seith?
Unranked in 2025
Its last boys’ rank on record is #13,019, in 2005; SSA lists a name only in years with 5 or more births.
12 babies in 1999, the peak
Seith peaked in 1999, when 12 boys were given it, #5,589 among boys’ names. It was not recorded in 2025.
| Year | Births | Rank | Per million boys |
|---|---|---|---|
| 2005 | 5 | #13,019 | 2.5 |
| 2003 | 6 | #10,646 | 3.0 |
| 2002 | 6 | #10,437 | 3.1 |
| 2001 | 8 | #8,174 | 4.1 |
| 2000 | 6 | #10,121 | 3.1 |
| 1999 | 12 | #5,589 | 6.2 |
| 1997 | 6 | #9,071 | 3.2 |
| 1996 | 6 | #8,828 | 3.2 |
| 1995 | 7 | #7,656 | 3.7 |
| 1993 | 7 | #7,471 | 3.6 |
Every recorded year (18)
| Year | Births | Rank | Per million boys |
|---|---|---|---|
| 1992 | 6 | #8,274 | 3.0 |
| 1989 | 9 | #5,517 | 4.5 |
| 1988 | 8 | #5,652 | 4.2 |
| 1987 | 8 | #5,367 | 4.3 |
| 1986 | 5 | #7,629 | 2.7 |
| 1983 | 6 | #6,086 | 3.3 |
| 1979 | 8 | #4,781 | 4.6 |
| 1978 | 6 | #5,645 | 3.7 |
Ranks and shares: boys’ names in each year’s SSA file; share of all boys SSA recorded that year.
Is Seith a boy’s or a girl’s name?
Seith has been recorded only for boys: SSA lists no girls with the name in 18 years of records (it lists a name only in years with 5 or more babies of a sex).
Girls and boys named Seith: the SSA national file counts each sex separately.
How many people are named Seith, and how old are they?
An estimated 120 Americans named Seith and born in the U.S. are alive in 2026 (96% of everyone recorded); the median is 31 years old and half are between 26 and 39. An estimate from SSA’s births and life tables, not a count.
The 2020 Census counted 123 people named Seith (2 women and girls, 121 men and boys). SSA’s births carried forward to Census day, April 1, 2020, predict 121 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 2 names spelled alike, given to 166,413 babies since 1880, Seith is the second most given (<1% of them). In 2025 none of their 505 babies recorded by SSA was a Seith (SSA lists a name only with 5 or more babies of one sex).
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 Seith
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 Seith and names like it
- Compare Seith and SethBirths, ranks, peak and the living estimate side by side.
- The most given names of the 1990sSeith peaked in 1999.
- The top names of 1999The year the most babies were named Seith.
- The names of the MillennialsMost people named Seith alive today were born 1981-1996.
- Names starting with SMost given first.