Thereasa
Thereasa was last recorded in 1982, when 7 babies were given it; 345 Americans have been recorded with it between 1927 and 1982 (Social Security Administration, published May 2026).
Girls and boys together; gaps are years SSA did not record (fewer than 5 births).
Births of Thereasa by year: SSA national baby-name file, 1880-2025, published May 8, 2026. SSA’s notes on the data.
How popular is Thereasa?
Unranked in 2025
Its last girls’ rank on record is #9,162, in 1982; SSA lists a name only in years with 5 or more births.
17 babies in 1958, the peak
Thereasa peaked in 1958, when 17 girls were given it, #2,960 among girls’ names. It was not recorded in 2025.
| Year | Births | Rank | Per million girls |
|---|---|---|---|
| 1982 | 7 | #9,162 | 4.1 |
| 1981 | 6 | #10,309 | 3.6 |
| 1980 | 7 | #9,019 | 4.2 |
| 1979 | 7 | #8,947 | 4.4 |
| 1977 | 6 | #9,546 | 3.9 |
| 1975 | 12 | #5,139 | 8.2 |
| 1974 | 10 | #5,741 | 6.8 |
| 1973 | 5 | #9,682 | 3.4 |
| 1971 | 11 | #5,101 | 6.6 |
| 1970 | 11 | #5,033 | 6.3 |
Every recorded year (34)
| Year | Births | Rank | Per million girls |
|---|---|---|---|
| 1969 | 9 | #5,417 | 5.3 |
| 1968 | 16 | #3,439 | 9.8 |
| 1967 | 10 | #4,596 | 6.1 |
| 1966 | 14 | #3,542 | 8.3 |
| 1965 | 13 | #3,719 | 7.4 |
| 1964 | 16 | #3,367 | 8.4 |
| 1963 | 13 | #3,783 | 6.7 |
| 1962 | 17 | #3,153 | 8.6 |
| 1961 | 8 | #5,265 | 4.0 |
| 1960 | 15 | #3,346 | 7.4 |
| 1959 | 12 | #3,806 | 5.9 |
| 1958 | 17 | #2,960 | 8.5 |
| 1957 | 12 | #3,673 | 5.9 |
| 1956 | 15 | #3,169 | 7.5 |
| 1955 | 8 | #4,703 | 4.1 |
| 1954 | 11 | #3,694 | 5.7 |
| 1953 | 11 | #3,666 | 5.8 |
| 1952 | 6 | #5,514 | 3.2 |
| 1951 | 9 | #3,983 | 5.0 |
| 1950 | 6 | #5,247 | 3.5 |
| 1949 | 7 | #4,627 | 4.1 |
| 1948 | 7 | #4,611 | 4.1 |
| 1942 | 5 | #5,306 | 3.7 |
| 1927 | 6 | #4,746 | 5.0 |
Ranks and shares: girls’ names in each year’s SSA file; share of all girls SSA recorded that year.
Is Thereasa a boy’s or a girl’s name?
Thereasa has been recorded only for girls: SSA lists no boys with the name in 34 years of records (it lists a name only in years with 5 or more babies of a sex).
Girls and boys named Thereasa: the SSA national file counts each sex separately.
How many people are named Thereasa, and how old are they?
An estimated 289 Americans named Thereasa and born in the U.S. are alive in 2026 (84% of everyone recorded); the median is 62 years old and half are between 56 and 69. An estimate from SSA’s births and life tables, not a count.
The 2020 Census counted 323 people named Thereasa (323 women and girls, 0 men and boys). SSA’s births carried forward to Census day, April 1, 2020, predict 305 born in the U.S. The Census count is 6% 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 8 names spelled alike, given to 450,341 babies since 1880, Thereasa is the eighth most given (<1% of them). In 2025 none of their 215 babies recorded by SSA was a Thereasa (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 Thereasa
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 Thereasa and names like it
- Compare Thereasa and TheresaBirths, ranks, peak and the living estimate side by side.
- The most given names of the 1950sThereasa peaked in 1958.
- The top names of 1958The year the most babies were named Thereasa.
- The names of the Baby BoomersMost people named Thereasa alive today were born 1946-1964.
- Names starting with TMost given first.