Lou Unisex

Popularity: #880 · Trend: ↗ Rising

Name Meaning & Origin Pronunciation: loo /luː/

Origin: French; Latin

Meaning: French: light; Latin: renowned warrior

Historical & Cultural Background

The name Lou has its roots in the Latin name "Lucius," which derives from the word "lux," meaning "light." This name evolved through various linguistic stages, transitioning from Latin to Old French as "Luce" and then to Middle English as "Lou." The name is often considered a diminutive or short form of names such as Louise or Louisa, which are feminine forms of Louis, a name of Germanic origin meaning "famous warrior." The evolution of Lou reflects a broader trend in naming practices where shorter forms gain popularity as affectionate or familiar alternatives to longer names. Historically, the name Lou has been associated with several notable figures.

One significant milestone is the use of the name in the context of French royalty, particularly with King Louis IX of France, who was canonized as a saint in the 13th century. His legacy contributed to the enduring popularity of names derived from Louis across various cultures.

Additionally, the name appears in literary works and historical texts, further embedding it in cultural consciousness. The King James Bible, published in the early 17th century, also reflects the influence of names like Louis through its translations and interpretations of biblical figures.

Culturally, Lou carries connotations of light and brightness, aligning with its etymological roots. This symbolism has made it a favored choice in various traditions, often associated with positive attributes such as clarity and enlightenment.

The name's simplicity and elegance have allowed it to resonate across different cultures and eras, maintaining its relevance through time. In some contexts, Lou is affectionately used as a diminutive for names like Louise, which adds to its charm and versatility.

Famous people named Lou

In this section, you will find notable people named Lou. We include individuals across a wide range of fields, including actors known for their work in film, television, and stage productions. You'll also find musicians, directors, and other public figures named Lou who have made a significant impact on popular culture.

We also feature individuals named Lou who have made meaningful contributions to science, politics, athletics, literature, and other areas of public interest.

Please note that not every baby name in our database currently has a famous namesake listed. If you would like to suggest a name we may have missed or submit a correction, feel free to contact us. We review and finalize additions and corrections within 24 hours.

Lou Gehrig is a baseball player best known for his time with the New York Yankees, his consecutive games played streak, and being a two-time MVP.

Lou Reed is a musician best known for his work with The Velvet Underground, and for his solo album Transformer.

Lou Ferrigno is an actor and bodybuilder best known for his role as The Hulk in the television series The Incredible Hulk, and for his appearances in various films and TV shows.

Lou Holtz is a football coach and analyst best known for coaching the University of Notre Dame to a national championship and for his work as a sports commentator.

Lou Costello is a comedian and actor best known for his work in the comedy duo Abbott and Costello, particularly for the routine 'Who's on First?'.

Lou Bega is a musician best known for his hit single 'Mambo No. 5 (A Little Bit of...)'.

Lou Diamond Phillips is an actor best known for his roles in La Bamba, Stand and Deliver, and Young Guns.

Lou Gramm is a musician best known as the lead vocalist of the rock band Foreigner and for hits like 'I Want to Know What Love Is'.

Fictional characters named Lou

The following list of fictional characters named Lou is a work in progress. If you would like to suggest an additional character, please send us the character's name along with a brief, one-sentence description of what they are best known for.

You may also submit corrections, which we will review and update as quickly as possible.

Lou is a fictional character from the animated film Monsters, Inc. He is a friendly and supportive character who helps the main protagonists navigate their challenges.

Sibling suggestions

If you're looking for sibling name ideas that pair well with Lou, the following options are frequently chosen as complementary choices by parents.

Similar names

Based on our extensive baby names database, several names share stylistic or phonetic similarities with Lou. These names can serve as alternatives to the sibling suggestions listed above and may help you find the perfect complementary name for your growing family.

U.S. Historical Usage

The name Lou was first seen in the United States in 1880.

Lou has ranked as high as #374 nationally, which occurred in 1954, and has been most popular in North Carolina, Kentucky, Louisiana, Mississippi, and Oklahoma.

In the past 5 years the name Lou has been trending up compared to the previous 5 years.

Popularity Over Time (National)

The name Lou is part of our comprehensive baby names database, which includes Social Security Administration (SSA) data dating back to 1880—the first official year of state and national tracking. The chart below shows when Lou was first recorded in the United States and illustrates how its popularity has risen and fallen over time.

Top States for Lou (2024)

We track the most popular states for each baby name every year and highlight the locations where the name appears most frequently. In some cases, you may see four or five states listed. However, we only display states where the name represents a significant percentage of births, so the number of states shown can range from one to several.

State Births Share
CA 9
60%
NY 6
40%

Popularity Over Time (National) — Table

We track the national popularity of each baby name annually. The table below displays each year along with the number of births reported by the Social Security Administration. This data combines all state-level reporting from the SSA's baby names database to provide a comprehensive view of overall birth counts for Lou.

YearBirths
202470
202369
202262
202154
202043
201940
201839
201730
201635
201529
201422
201315
201218
201116
201011
20095
20086
20076
20069
200514
200410
200310
20028
20018
20009
19996
19988
19977
19947
199310
19929
19916
199012
198913
198811
198713
198613
198512
198419
198318
198229
198130
198019
197940
197838
197743
197648
197549
197464
197391
1972101
1971134
1970159
1969165
1968169
1967171
1966186
1965225
1964277
1963382
1962396
1961473
1960593
1959706
1958851
1957884
19561,066
19551,225
19541,495
19531,434
1952569
1951440
1950414
1949441
1948439
1947510
1946478
1945399
1944463
1943456
1942536
1941506
1940494
1939502
1938532
1937539
1936506
1935522
1934559
1933534
1932540
1931463
1930468
1929474
1928425
1927489
1926417
1925395
1924381
1923343
1922350
1921320
1920336
1919313
1918371
1917338
1916308
1915285
1914227
1913199
1912212
1911153
1910144
1909140
1908147
1907124
1906100
1905143
1904117
1903133
1902121
190196
1900140
1899125
1898156
1897114
1896130
1895125
1894118
1893137
1892137
1891109
1890132
1889120
1888169
1887147
1886129
1885135
1884146
1883142
1882131
1881114
1880131