Mary-Lou
- Gender
- Girl
- Say it
- MAIR-ee-LOO
- Origin
- Hebrew
- UK rank, 2025
- #4,935 for girls
Mary-Lou is a girls' name of Hebrew origin. In 2025 it ranked 4,935th for girls in the UK (4 babies).
What does Mary-Lou mean?
Hebrew: Mary + Lou
Joins Mary (Hebrew) and Lou (Germanic, “famous in battle”).
Meanings borrowed from Mary and Lou.
Is Mary-Lou a girl's or a boy's name?
Mary-Lou is a girls' name. In 2025, it was given to 4 girls in the UK. Too few boys were given it to be listed.
How popular is Mary-Lou in the UK?
- Rank in 2025
- 4,935th among girls
- Babies in 2025
- 4 about 1 in 70,000 girls
- Five-year trend
- Rising fast up 160% in five years
- Same name in a class
- under 1% chance among 15 girls
In 2025, 4 girls in the UK were named Mary-Lou, making it the 4,935th most popular name for girls. Five years earlier, in 2020, it was 4,110th. Its busiest year was 2012, with 6 girls.
Half of all the girls named Mary-Lou in the UK since 1996 were born between 2006 and 2021, the years shaded on the chart below.
Among girls in 2025, it was 4,866th in England and Wales.
Mary-Lou in the UK, year by year
| Year | Girls | Rank |
|---|---|---|
| 2025 | 4 | #4,935 |
| 2024 | 3 | #5,966 |
| 2023 | 6 | #3,766 |
| 2022 | 0 | – |
| 2021 | 3 | #5,824 |
| 2020 | 5 | #4,110 |
| 2019 | 0 | – |
| 2018 | 0 | – |
| 2017 | 3 | #5,998 |
| 2016 | 6 | #3,788 |
| 2015 | 0 | – |
| 2014 | 0 | – |
| 2013 | 0 | – |
| 2012 | 6 | #3,881 |
| 2011 | 3 | #6,007 |
| 2010 | 0 | – |
| 2009 | 0 | – |
| 2008 | 0 | – |
| 2007 | 0 | – |
| 2006 | 3 | #5,259 |
| 2005 | 0 | – |
| 2004 | 0 | – |
| 2003 | 4 | #3,768 |
| 2002 | 0 | – |
| 2001 | 3 | #4,156 |
| 2000 | 0 | – |
| 1999 | 0 | – |
| 1998 | 0 | – |
| 1997 | 3 | #3,991 |
Names like Mary-Lou
Names given in the same years and the same naming tradition, with a similar sound.
Miriam, Delilah, Margot, Mabel, Ottilie, Athena, Eliza, Sadie, Maria, Elsie, Marnie, Annie
Names related to Mary-Lou
More Hebrew names
Noah, Isabella, Elijah, James, Jack, Mia, Ava, Jude, Ezra, Benjamin, Isaac, Jacob, Ethan, Daniel, Samuel, Elias
Sources
Figures from Baby names in England and Wales (Office for National Statistics), Babies' first names (National Records of Scotland) and Baby names (Northern Ireland Statistics and Research Agency). Nameling last updated them on 20 October 2026. How the figures are worked out, and the data to download.
To cite this page: Nameling, “Mary-Lou: name meaning, origin and popularity”, https://www.nameling.co.uk/names/mary-lou, updated 20 October 2026.