Girls' name · peaked in 1946

Trudy name popularity since 1925

25,157 babies born in the US from 1925 to 2025 were named Trudy. Half of them were born in 1956 or earlier, so the typical Trudy is about 70 years old in 2026. Trudy peaked in 1946 as the #238 name for girls, and it was outside the top 1,000 in 2025.

US babies since 1925: 25,157; Named Trudy, 1925–2025
Peak year: 1946; #238 for girls that year
Typical age: About 70; Median birth year 1956
In 2025: Not top 1,000; #5,225 for girls in 2025
Girls / boys: 100.0% girls; 25,152 girls · 5 boys
Most popular in: Louisiana; 2.56× its national share

Peak year is the year Trudy made up the largest share of US girls, in records going back to 1880. Typical age is based on births from 1925 on, not on who is living today.

Trudy births per year, 1925–2025

The biggest year by count was 1947. Measured as a share of all babies, Trudy peaked in 1946.

Fastest rise: Between 1939 and 1944, Trudy became 4.2× more common, from 1 in 8,630 baby girls to 1 in 2,040.
Steepest fall: Between 1976 and 1981, its share of baby girls fell by 50%, from 1 in 7,080 to 1 in 14,300.

Shaded on the chart. Both compare Trudy's share of all US girls five years apart, counting only years with at least 100 babies named Trudy.

Decade by decade

Babies named Trudy in each decade, and its rank among girls' names in the middle year of the decade (1935, 1945 … 2025).

Decade	Girls	Boys	Rank
1925–29	209	0	–
1930s	756	0	#772
1940s	6,196	5	#250
1950s	8,348	0	#297
1960s	5,923	0	#377
1970s	2,200	0	#787
1980s	664	0	#2,596
1990s	290	0	#3,581
2000s	205	0	#5,783
2010s	207	0	#5,817
2020–25	154	0	#5,225

Ranks count every name given to at least 5 girls that year, so they can go past 1,000.

Generation fingerprint

62.2% of babies named Trudy from 1925 to 2025 were born in the Baby Boom years (1946–1964). The full split by generation:

Where Trudy is most popular

The index compares Trudy's share of babies in each state with its share nationwide, 1925–2025 (1.50× = 50% more common). States with at least 300 babies named Trudy.

State	Index	Babies
Louisiana	2.56×	1,011
Utah	2.52×	471
Iowa	2.21×	618
Nebraska	1.95×	301
Kansas	1.82×	407

Other spellings

Spellings that sound like Trudy and were given to at least 1,000 girls from 1925 to 2025, with the year each one was most popular.

Spelling	Girls	Peak year
Trudy (this page)	25,152	1946
Trudi	3,215	1965
Trudie	2,149	1911

Names with a similar story

Of the other 1999 names on this site, these six had the share of babies closest in shape to Trudy's from 1925 to 2025, however common each one got. Each line is scaled to its own high; the dashed line is Trudy.

Names from the same era

Other common names that peaked within two years of Trudy (1946).

Source: U.S. Social Security Administration national and state baby-name data, which covers names given to at least 5 babies of one sex in a year. About the data