Unisex nameCurrently #2,118 in the USRising

Lou

//ˈlu//

1 syllablePeak year: 19543 lettersStarts with L

Meaning & origin

We're still researching Lou's meaning

We don't have a verified origin story for this name yet — we'd rather leave it blank than make one up. Check back soon, or explore the popularity data below in the meantime.

Lou's popularity over time

Yearly US births named Lou, Social Security Administration data
YearBirths named Lou
1880145
1881129
1882141
1883153
1884156
1885148
1886138
1887157
1888179
1889137
1890141
1891117
1892146
1893147
1894130
1895134
1896140
1897127
1898166
1899138
1900153
1901103
1902127
1903144
1904124
1905156
1906100
1907136
1908162
1909140
1910162
1911162
1912234
1913216
1914265
1915316
1916347
1917383
1918402
1919334
1920369
1921348
1922390
1923378
1924418
1925436
1926446
1927526
1928469
1929502
1930496
1931503
1932585
1933572
1934583
1935551
1936532
1937565
1938562
1939549
1940533
1941545
1942583
1943495
1944501
1945447
1946525
1947566
1948478
1949476
1950445
1951495
1952609
19531,470
19541,547
19551,274
19561,120
1957956
1958918
1959763
1960657
1961527
1962443
1963420
1964325
1965258
1966225
1967200
1968201
1969194
1970199
1971172
1972126
1973120
197483
197570
197668
197760
197863
197965
198042
198146
198251
198331
198438
198531
198624
198729
198821
198931
199036
199130
199228
199324
199427
199513
199614
199721
199819
199914
200020
200128
200221
200320
200426
200535
200629
200719
200819
200927
201027
201143
201236
201339
201449
201567
201680
201767
201871
201984
2020101
2021115
2022136
2023143
2024140

Lou through the decades

  • Lou peaked in 1954, when 1,547 babies were named Lou in the US.
  • Over the last 10 years of data (2015–2024), use of Lou has risen 211% compared to the 10 years before that.
  • Lou currently ranks #2,118 in the US and is on the rise.

Names like Lou

Similar-sounding names.

Sibling names for Lou

A different sound, a similar rhythm.