Lou

Girl · recorded 1880–2025 · given to both girls and boys (about 1.2 to 1)

  • #2,645in 2025
  • 1 in 24,727girls in 2025
  • +149%last ten years

Most popular in 1880, the first year on record.

Checking your shortlist…

Compare

Meaning

We don’t have a verified meaning for Lou.

We only publish meanings we can cite to a source you could check yourself. Most sites will give you one anyway; the ones you find elsewhere are often copied between sites without verification.

Its story

Popularity since 1880

07201,44018801916195319892025

Hover over or drag across the chart to see any year.

Per million girls born. Years with fewer than five births are not in the record, so the line breaks rather than dropping to zero.
See the 144 recorded years as a table
Lou, per million girls born. Years absent from the table had fewer than five births.
YearPer million
18801,440
18811,240
18821,215
18831,264
18841,132
18851,015
1886893
18871,007
1888946
1889673
1890693
1891588
1892645
1893643
1894529
1895535
1896546
1897487
1898603
1899536
1900467
1901401
1902458
1903508
1904425
1905490
1906339
1907389
1908440
1909403
1910363
1911366
1912380
1913319
1914298
1915290
1916295
1917313
1918320
1919277
1920280
1921260
1922291
1923284
1924305
1925324
1926352
1927410
1928369
1929425
1930416
1931435
1932506
1933530
1934535
1935498
1936486
1937507
1938482
1939458
1940432
1941419
1942397
1943327
1944349
1945305
1946304
1947288
1948259
1949258
1950242
1951244
1952307
1953762
1954770
1955627
1956531
1957432
1958423
1959349
1960293
1961234
1962201
1963198
1964146
1965127
1966110
1967104
1968103
196998
197091
197181
197266
197363
197443
197534
197633
197728
197825
197925
198011
198118
198217
198311
198411
19857
19868
19877
19886
19897
19906
19913
19925
19936
19944
19974
19985
19993
20005
20014
20024
20035
20045
20058
20065
20073
20083
20093
20106
20119
201210
20139
201412
201516
201620
201717
201823
201924
202027
202133
202238
202343
202444
202540

Where it’s loved

Most popular in these states

Lou isn’t concentrated in any one state. Either it’s spread evenly, or no state reaches the 25 births over three years needed before a rate means anything.

More like it

More like Lou

The numbers

Every figure

Births in 2025
65
Rank in 2025
#2,645
How rare
1 in 24,727 girls
Since 1880
34,109

Most popular in 1880, at 1,440 per million girls born.

Over the ten years to 2025 it has risen by 149% per million girls born.

Figures from the US Social Security Administration’s 2025 release. How these numbers are made.