Cosimo
- Gender
- Boy
- Say it
- KOZ-ih-moh
- Origin
- Greek
- UK rank, 2025
- #3,021 for boys
- US rank, 2025
- #5,606 for boys
Cosimo is a boys' name of Greek origin, meaning “order, decency”. In 2025 it ranked 3,021st for boys in the UK (7 babies) and 5,606th for boys in the US (16 babies).
What does Cosimo mean?
Greek: Italian form of Cosmas, from kosmos
“order, decency”
Cosimo de' Medici founded the Medici family's political power in 15th-century Florence.
Is Cosimo a girl's or a boy's name?
Cosimo is a boys' name. In 2025, it was given to 7 boys in the UK and 16 boys in the US. Too few girls were given it to be listed.
How popular is Cosimo in the UK?
- Rank in 2025
- 3,021st among boys
- Babies in 2025
- 7 about 1 in 43,000 boys
- Five-year trend
- Steady up 13% in five years
- Same name in a class
- under 1% chance among 15 boys
In 2025, 7 boys in the UK were named Cosimo, making it the 3,021st most popular name for boys. Five years earlier, in 2020, it was 4,803rd.
2025 had the most boys named Cosimo of any year since it first appeared, in 1999.
Half of all the boys named Cosimo in the UK since 1996 were born between 2008 and 2022, the years shaded on the chart below.
Among boys in 2025, it was 2,938th in England and Wales.
Cosimo in the UK, year by year
| Year | Boys | Rank |
|---|---|---|
| 2025 | 7 | #3,021 |
| 2024 | 4 | #4,346 |
| 2023 | 6 | #3,279 |
| 2022 | 5 | #3,639 |
| 2021 | 6 | #3,179 |
| 2020 | 3 | #4,803 |
| 2019 | 6 | #3,184 |
| 2018 | 6 | #3,162 |
| 2017 | 4 | #4,161 |
| 2016 | 5 | #3,655 |
| 2015 | 1 | #6,220 |
| 2014 | 3 | #4,829 |
| 2013 | 5 | #3,466 |
| 2012 | 4 | #4,147 |
| 2011 | 0 | – |
| 2010 | 0 | – |
| 2009 | 0 | – |
| 2008 | 3 | #4,615 |
| 2007 | 3 | #4,486 |
| 2006 | 4 | #3,522 |
| 2005 | 3 | #3,992 |
| 2004 | 0 | – |
| 2003 | 0 | – |
| 2002 | 0 | – |
| 2001 | 0 | – |
| 2000 | 3 | #3,146 |
| 1999 | 6 | #1,941 |
How popular is Cosimo in the US?
- Rank in 2025
- 5,606th among boys
- Babies in 2025
- 16 about 1 in 110,000 boys
- Five-year trend
- Rising up 39% in five years
- Same name in a class
- under 1% chance among 15 boys
In 2025, 16 boys in the US were named Cosimo, making it the 5,606th most popular name for boys. Five years earlier, in 2020, it was 7,497th. Its busiest year was 1927, with 30 boys. It first appears in the records in 1911.
Half of all the boys named Cosimo in the US since 1880 were born between 1926 and 1993, the years shaded on the chart below.
Cosimo in the US, year by year
| Year | Boys | Rank |
|---|---|---|
| 2025 | 16 | #5,606 |
| 2024 | 19 | #5,063 |
| 2023 | 18 | #5,250 |
| 2022 | 12 | #6,822 |
| 2021 | 10 | #7,582 |
| 2020 | 10 | #7,497 |
| 2019 | 14 | #6,099 |
| 2018 | 14 | #6,032 |
| 2017 | 15 | #5,784 |
| 2016 | 6 | #10,739 |
| 2015 | 9 | #8,035 |
| 2014 | 5 | #12,102 |
| 2013 | 0 | – |
| 2012 | 0 | – |
| 2011 | 8 | #8,760 |
| 2010 | 9 | #8,133 |
| 2009 | 12 | #6,798 |
| 2008 | 10 | #7,693 |
| 2007 | 7 | #9,782 |
| 2006 | 6 | #10,655 |
| 2005 | 10 | #7,089 |
| 2004 | 5 | #11,348 |
| 2003 | 7 | #8,636 |
| 2002 | 0 | – |
| 2001 | 5 | #10,548 |
| 2000 | 6 | #9,104 |
| 1999 | 7 | #7,867 |
| 1998 | 0 | – |
| 1997 | 0 | – |
| 1996 | 0 | – |
| 1995 | 5 | #8,861 |
| 1994 | 5 | #8,794 |
| 1993 | 8 | #6,221 |
| 1992 | 6 | #7,414 |
| 1991 | 6 | #7,263 |
| 1990 | 0 | – |
| 1989 | 0 | – |
| 1988 | 8 | #5,194 |
| 1987 | 8 | #4,962 |
| 1986 | 0 | – |
| 1985 | 0 | – |
| 1984 | 0 | – |
| 1983 | 7 | #4,904 |
| 1982 | 7 | #5,001 |
| 1981 | 6 | #5,466 |
| 1980 | 14 | #3,097 |
| 1979 | 0 | – |
| 1978 | 0 | – |
| 1977 | 7 | #4,580 |
| 1976 | 5 | #5,584 |
| 1975 | 8 | #3,939 |
| 1974 | 5 | #5,225 |
| 1973 | 0 | – |
| 1972 | 7 | #3,960 |
| 1971 | 0 | – |
| 1970 | 8 | #3,519 |
| 1969 | 10 | #2,860 |
| 1968 | 10 | #2,734 |
| 1967 | 9 | #2,759 |
| 1966 | 11 | #2,464 |
| 1965 | 0 | – |
| 1964 | 6 | #3,600 |
| 1963 | 11 | #2,538 |
| 1962 | 5 | #4,031 |
| 1961 | 0 | – |
| 1960 | 0 | – |
| 1959 | 10 | #2,662 |
| 1958 | 0 | – |
| 1957 | 7 | #3,255 |
| 1956 | 6 | #3,533 |
| 1955 | 8 | #2,962 |
| 1954 | 8 | #2,940 |
| 1953 | 8 | #2,904 |
| 1952 | 5 | #3,731 |
| 1951 | 9 | #2,660 |
| 1950 | 9 | #2,579 |
| 1949 | 9 | #2,605 |
| 1948 | 8 | #2,787 |
| 1947 | 11 | #2,355 |
| 1946 | 12 | #2,142 |
| 1945 | 8 | #2,573 |
| 1944 | 13 | #1,987 |
| 1943 | 7 | #2,962 |
| 1942 | 5 | #3,559 |
| 1941 | 9 | #2,491 |
| 1940 | 10 | #2,322 |
| 1939 | 0 | – |
| 1938 | 11 | #2,185 |
| 1937 | 5 | #3,516 |
| 1936 | 7 | #2,853 |
| 1935 | 8 | #2,719 |
| 1934 | 10 | #2,393 |
| 1933 | 8 | #2,737 |
| 1932 | 11 | #2,313 |
| 1931 | 9 | #2,650 |
| 1930 | 22 | #1,559 |
| 1929 | 25 | #1,443 |
| 1928 | 17 | #1,902 |
| 1927 | 30 | #1,350 |
| 1926 | 20 | #1,720 |
| 1925 | 15 | #2,088 |
| 1924 | 25 | #1,532 |
| 1923 | 27 | #1,420 |
| 1922 | 23 | #1,591 |
| 1921 | 17 | #1,979 |
| 1920 | 19 | #1,820 |
| 1919 | 13 | #2,264 |
| 1918 | 22 | #1,595 |
| 1917 | 22 | #1,528 |
| 1916 | 15 | #1,948 |
| 1915 | 17 | #1,706 |
| 1914 | 15 | #1,607 |
| 1913 | 8 | #2,091 |
| 1912 | 6 | #2,268 |
| 1911 | 5 | #1,739 |
Names like Cosimo
Names given in the same years and the same naming tradition, with a similar sound.
Theodore, Cosmo, Leo, Arlo, Theo, Milo, Otto, Angelo, Lorenzo, Arthur, Hugo, Louie
Names related to Cosimo
More Greek names
Luca, Sophia, George, Lucas, Sofia, Alexander, Sebastian, Penelope, Phoebe, Margot, Luke, Chloe, Sophie, Zoe, Iris, Maisie
Sources
Figures from Baby names in England and Wales (Office for National Statistics), Babies' first names (National Records of Scotland), Baby names (Northern Ireland Statistics and Research Agency) and Popular Baby Names (US Social Security Administration). Nameling last updated them on 20 October 2026. How the figures are worked out, and the data to download.
To cite this page: Nameling, “Cosimo: name meaning, origin and popularity”, https://www.nameling.co.uk/names/cosimo, updated 20 October 2026.