Guilherme
- Gender
- Boy
- Say it
- gee-LYEHR-mee
- Origin
- Germanic
- US rank, 2025
- #8,906 for boys
Guilherme is a boys' name of Germanic origin, meaning “resolute protector”. In 2025 it ranked 8,906th for boys in the US (8 babies).
What does Guilherme mean?
Germanic: Portuguese form of William
“resolute protector”
William comes from the Germanic Willahelm, from wil 'will, desire' and helm 'helmet, protection'.
Is Guilherme a girl's or a boy's name?
Guilherme is a boys' name. In 2025, it was given to 8 boys in the US. Too few girls were given it to be listed.
How popular is Guilherme in the UK?
No boys in the UK were given it in 2025, or too few to be listed. Its busiest year was 2015, with 20 boys.
Half of all the boys named Guilherme in the UK since 1996 were born between 2008 and 2018, the years shaded on the chart below.
Guilherme in the UK, year by year
| Year | Boys | Rank |
|---|---|---|
| 2024 | 3 | #5,198 |
| 2023 | 8 | #2,691 |
| 2022 | 10 | #2,279 |
| 2021 | 9 | #2,434 |
| 2020 | 9 | #2,359 |
| 2019 | 7 | #2,878 |
| 2018 | 8 | #2,576 |
| 2017 | 12 | #2,037 |
| 2016 | 10 | #2,287 |
| 2015 | 20 | #1,367 |
| 2014 | 11 | #2,054 |
| 2013 | 8 | #2,541 |
| 2012 | 7 | #2,849 |
| 2011 | 7 | #2,736 |
| 2010 | 16 | #1,585 |
| 2009 | 9 | #2,241 |
| 2008 | 14 | #1,599 |
| 2007 | 10 | #1,987 |
| 2006 | 6 | #2,645 |
| 2005 | 6 | #2,545 |
| 2004 | 4 | #3,147 |
| 2003 | 0 | – |
| 2002 | 5 | #2,358 |
| 2001 | 0 | – |
| 2000 | 5 | #2,237 |
| 1999 | 0 | – |
| 1998 | 3 | #3,021 |
| 1997 | 0 | – |
| 1996 | 1 | #3,776 |
How popular is Guilherme in the US?
- Rank in 2025
- 8,906th among boys
- Babies in 2025
- 8 about 1 in 210,000 boys
- Five-year trend
- Too rare to call too few babies to tell
- Same name in a class
- under 1% chance among 15 boys
In 2025, 8 boys in the US were named Guilherme, making it the 8,906th most popular name for boys. Five years earlier, in 2020, it was 7,029th. Its busiest year was 2006, with 39 boys. It first appears in the records in 1921.
Half of all the boys named Guilherme in the US since 1880 were born between 2002 and 2013, the years shaded on the chart below.
Guilherme in the US, year by year
| Year | Boys | Rank |
|---|---|---|
| 2025 | 8 | #8,906 |
| 2024 | 5 | #12,341 |
| 2023 | 0 | – |
| 2022 | 7 | #9,815 |
| 2021 | 10 | #7,582 |
| 2020 | 11 | #7,029 |
| 2019 | 17 | #5,336 |
| 2018 | 9 | #8,150 |
| 2017 | 18 | #5,107 |
| 2016 | 15 | #5,785 |
| 2015 | 12 | #6,671 |
| 2014 | 12 | #6,627 |
| 2013 | 12 | #6,598 |
| 2012 | 16 | #5,476 |
| 2011 | 22 | #4,354 |
| 2010 | 16 | #5,475 |
| 2009 | 30 | #3,549 |
| 2008 | 35 | #3,219 |
| 2007 | 32 | #3,377 |
| 2006 | 39 | #2,880 |
| 2005 | 25 | #3,706 |
| 2004 | 21 | #4,124 |
| 2003 | 14 | #5,265 |
| 2002 | 17 | #4,496 |
| 2001 | 29 | #3,056 |
| 2000 | 15 | #4,779 |
| 1999 | 11 | #5,650 |
| 1998 | 5 | #9,623 |
| 1997 | 7 | #7,275 |
| 1996 | 7 | #7,129 |
| 1995 | 5 | #8,861 |
| 1994 | 6 | #7,764 |
| 1993 | 7 | #6,809 |
| 1992 | 7 | #6,662 |
| 1991 | 0 | – |
| 1990 | 8 | #5,816 |
| 1989 | 0 | – |
| 1988 | 0 | – |
| 1987 | 0 | – |
| 1986 | 0 | – |
| 1985 | 0 | – |
| 1984 | 0 | – |
| 1983 | 0 | – |
| 1982 | 6 | #5,617 |
| 1981 | 0 | – |
| 1980 | 0 | – |
| 1979 | 0 | – |
| 1978 | 0 | – |
| 1977 | 0 | – |
| 1976 | 0 | – |
| 1975 | 0 | – |
| 1974 | 0 | – |
| 1973 | 0 | – |
| 1972 | 0 | – |
| 1971 | 0 | – |
| 1970 | 0 | – |
| 1969 | 0 | – |
| 1968 | 0 | – |
| 1967 | 0 | – |
| 1966 | 0 | – |
| 1965 | 0 | – |
| 1964 | 0 | – |
| 1963 | 0 | – |
| 1962 | 0 | – |
| 1961 | 0 | – |
| 1960 | 0 | – |
| 1959 | 0 | – |
| 1958 | 0 | – |
| 1957 | 0 | – |
| 1956 | 0 | – |
| 1955 | 0 | – |
| 1954 | 0 | – |
| 1953 | 0 | – |
| 1952 | 0 | – |
| 1951 | 0 | – |
| 1950 | 0 | – |
| 1949 | 0 | – |
| 1948 | 0 | – |
| 1947 | 0 | – |
| 1946 | 0 | – |
| 1945 | 0 | – |
| 1944 | 0 | – |
| 1943 | 0 | – |
| 1942 | 0 | – |
| 1941 | 0 | – |
| 1940 | 0 | – |
| 1939 | 0 | – |
| 1938 | 0 | – |
| 1937 | 0 | – |
| 1936 | 0 | – |
| 1935 | 0 | – |
| 1934 | 0 | – |
| 1933 | 0 | – |
| 1932 | 0 | – |
| 1931 | 0 | – |
| 1930 | 0 | – |
| 1929 | 0 | – |
| 1928 | 0 | – |
| 1927 | 0 | – |
| 1926 | 0 | – |
| 1925 | 0 | – |
| 1924 | 0 | – |
| 1923 | 0 | – |
| 1922 | 0 | – |
| 1921 | 6 | #3,867 |
Nicknames for Guilherme
- Gui
Names like Guilherme
Names given in the same years and the same naming tradition, with a similar sound.
Luca, Jude, Cooper, Gabriel, Elijah, Hugo, Maximus, Harrison, Muhammad, Milo, Noah, Grayson
Names related to Guilherme
More Germanic names
Amelia, Liam, Henry, Charlotte, William, Archie, Charlie, Emma, Freddie, Ella, Harry, Millie, Albie, Matilda, Louie, Miles
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, “Guilherme: name meaning, origin and popularity”, https://www.nameling.co.uk/names/guilherme, updated 20 October 2026.