Boy or Girl

Is Theadore a boy or girl name?

Theadore was a boy name in the US. Across 1880–2024, 0% of the 4,000 US babies named Theadore were girls. Fewer than 10 babies were given the name in 2024.

Boy rank, 2024
#10,762
Girl rank, 2024
Not ranked
Babies named Theadore since 1880
4,000
Most popular year
1927
91 babies
Babies named Theadore each year in the US
Line chart of US births named Theadore from 1880 to 2024, boys and girls. The table below has every value.025507510018801900192019401960198020002020

Boys and girls named Theadore, by decade

DecadeBoysGirlsShare girls
1880s4700%
1890s3800%
1900s13700%
1910s42800%
1920s77000%
1930s70300%
1940s59200%
1950s53600%
1960s32300%
1970s17500%
1980s11000%
1990s5000%
2000s2800%
2010s3200%
2020s3100%
Every year
YearBoysBoy rankGirlsGirl rank
20247#10,7620–
20235#13,9680–
20226#12,1560–
20218#9,6000–
20205#13,8450–
20195#13,9230–
20185#13,8830–
20178#9,5930–
20160–0–
20158#9,4720–
20140–0–
20130–0–
20126#12,1330–
20110–0–
20100–0–
20090–0–
20085#14,3890–
20075#14,1910–
20060–0–
20057#10,0420–
20040–0–
20030–0–
20020–0–
20015#12,1440–
20006#10,2380–
19997#8,6220–
19980–0–
19970–0–
19960–0–
19957#7,7180–
19949#6,3140–
19939#6,1750–
19929#6,0840–
19919#5,8910–
19900–0–
198914#4,0060–
19887#6,3580–
198710#4,5500–
19865#7,7210–
198510#4,3070–
198412#3,6700–
198312#3,6090–
19828#4,9540–
198119#2,5660–
198013#3,4150–
197913#3,3370–
197816#2,7860–
197721#2,2630–
197615#2,8090–
19759#3,9260–
19749#3,8110–
197320#2,1150–
197219#2,1520–
197124#1,8590–
197029#1,6110–
196929#1,5240–
196824#1,6420–
196718#1,9000–
196632#1,3670–
196536#1,2910–
196434#1,3680–
196331#1,4210–
196243#1,1990–
196141#1,2500–
196035#1,3570–
195935#1,3360–
195851#1,0790–
195745#1,1620–
195652#1,0540–
195561#9660–
195449#1,0780–
195368#8750–
195263#8950–
195158#9280–
195054#9460–
194947#1,0260–
194851#9880–
194765#8690–
194647#1,0010–
194551#8970–
194454#8680–
194370#7860–
194271#7690–
194162#8060–
194074#7090–
193954#8340–
193876#6980–
193760#8020–
193681#6520–
193557#8320–
193472#7240–
193372#7190–
193270#7550–
193176#6960–
193085#6800–
192964#8140–
192871#7740–
192791#6760–
192677#7290–
192587#6960–
192483#7300–
192368#8190–
192274#7760–
192178#7590–
192077#7520–
191968#7850–
191873#7580–
191758#8460–
191649#9130–
191559#7900–
191434#9650–
191333#8510–
191229#8320–
191115#8910–
191010#1,1100–
190920#6090–
190815#7100–
190716#6630–
19068#9930–
190517#5900–
190415#6100–
190311#7290–
190212#6810–
190110#7230–
190013#7310–
18995#1,1910–
189810#7380–
18975#1,2140–
18967#9730–
18950–0–
18945#1,2200–
18936#1,0200–
18920–0–
18910–0–
18900–0–
18897#8710–
18880–0–
18870–0–
18867#8380–
18855#1,0860–
188410#6540–
18837#7920–
18826#9340–
18810–0–
18805#1,0450–

Highest rank

As a boy name, Theadore reached #590 in 1905. It has never been ranked as a girl name. Ranks count every name SSA published for that year and sex, so they go well past the top 1,000.

Names from the same era

These names were also most popular in the 1920s, with a similar number of babies. They can work as sibling or middle names that feel like they belong together.

Names spelled like Theadore

Compare Theadore with another nameTry Theadore with your surnameTop names of 1927More names starting with T

Source: US Social Security Administration baby name data, 1880–2024. Counts are Social Security card applications for US births; SSA leaves out names given to fewer than 5 babies in a year. Updated 2026-10-05. How these numbers are made.