Oneil
- Gender
- Boy
- Say it
- oh-NEEL
- Origin
- Irish
- US rank, 2025
- #9,710 for boys
Oneil is a boys' name of Irish origin, meaning “descendant of Niall”. In 2025 it ranked 9,710th for boys in the US (7 babies).
What does Oneil mean?
Irish: from the Irish surname O'Neill, Gaelic O Neill
“descendant of Niall”
The O'Neills, said to descend from Niall of the Nine Hostages, were for centuries the leading dynasty of Ulster.
Is Oneil a girl's or a boy's name?
Oneil is a boys' name. In 2025, it was given to 7 boys in the US. Too few girls were given it to be listed.
How popular is Oneil in the US?
- Rank in 2025
- #9,710among boys
- Babies in 2025
- 7about 1 in 240,000 boys
- Five-year trend
- Too rare to calltoo few babies to tell
- Same name in a class
- under 1%chance among 15 boys
In 2025, 7 boys in the US were named Oneil, making it the 9,710th most popular name for boys. Five years earlier, in 2020, it was 8,734th. Its busiest year was 1924, with 38 boys. It first appears in the records in 1892.
Half of all the boys named Oneil in the US since 1880 were born between 1932 and 1995, the years shaded on the chart below.
Oneil in the US, year by year
| Year | Boys | Rank |
|---|---|---|
| 2025 | 7 | #9,710 |
| 2024 | 9 | #8,307 |
| 2023 | 8 | #8,916 |
| 2022 | 8 | #8,983 |
| 2021 | 6 | #10,794 |
| 2020 | 8 | #8,734 |
| 2019 | 11 | #7,168 |
| 2018 | 13 | #6,341 |
| 2017 | 14 | #6,056 |
| 2016 | 14 | #6,048 |
| 2015 | 9 | #8,035 |
| 2014 | 11 | #7,043 |
| 2013 | 5 | #12,129 |
| 2012 | 22 | #4,387 |
| 2011 | 13 | #6,250 |
| 2010 | 13 | #6,353 |
| 2009 | 14 | #6,091 |
| 2008 | 17 | #5,244 |
| 2007 | 24 | #4,125 |
| 2006 | 20 | #4,516 |
| 2005 | 16 | #5,029 |
| 2004 | 22 | #4,000 |
| 2003 | 18 | #4,421 |
| 2002 | 17 | #4,496 |
| 2001 | 22 | #3,716 |
| 2000 | 19 | #4,060 |
| 1999 | 13 | #5,029 |
| 1998 | 20 | #3,593 |
| 1997 | 11 | #5,282 |
| 1996 | 26 | #2,833 |
| 1995 | 27 | #2,680 |
| 1994 | 15 | #4,088 |
| 1993 | 28 | #2,571 |
| 1992 | 23 | #2,903 |
| 1991 | 15 | #3,806 |
| 1990 | 20 | #3,052 |
| 1989 | 19 | #3,088 |
| 1988 | 16 | #3,198 |
| 1987 | 19 | #2,721 |
| 1986 | 23 | #2,358 |
| 1985 | 12 | #3,596 |
| 1984 | 9 | #4,212 |
| 1983 | 13 | #3,229 |
| 1982 | 8 | #4,591 |
| 1981 | 10 | #3,856 |
| 1980 | 20 | #2,443 |
| 1979 | 17 | #2,668 |
| 1978 | 13 | #3,069 |
| 1977 | 9 | #3,834 |
| 1976 | 6 | #4,933 |
| 1975 | 9 | #3,657 |
| 1974 | 7 | #4,188 |
| 1973 | 0 | – |
| 1972 | 6 | #4,438 |
| 1971 | 8 | #3,656 |
| 1970 | 8 | #3,519 |
| 1969 | 12 | #2,548 |
| 1968 | 0 | – |
| 1967 | 12 | #2,351 |
| 1966 | 9 | #2,783 |
| 1965 | 8 | #2,980 |
| 1964 | 0 | – |
| 1963 | 12 | #2,413 |
| 1962 | 8 | #3,039 |
| 1961 | 16 | #2,069 |
| 1960 | 8 | #3,075 |
| 1959 | 13 | #2,294 |
| 1958 | 18 | #1,895 |
| 1957 | 8 | #3,022 |
| 1956 | 12 | #2,359 |
| 1955 | 16 | #1,978 |
| 1954 | 11 | #2,448 |
| 1953 | 13 | #2,185 |
| 1952 | 21 | #1,664 |
| 1951 | 13 | #2,134 |
| 1950 | 17 | #1,814 |
| 1949 | 16 | #1,871 |
| 1948 | 16 | #1,880 |
| 1947 | 23 | #1,554 |
| 1946 | 20 | #1,600 |
| 1945 | 18 | #1,580 |
| 1944 | 8 | #2,632 |
| 1943 | 18 | #1,698 |
| 1942 | 15 | #1,867 |
| 1941 | 16 | #1,759 |
| 1940 | 21 | #1,471 |
| 1939 | 14 | #1,879 |
| 1938 | 22 | #1,439 |
| 1937 | 14 | #1,913 |
| 1936 | 13 | #1,964 |
| 1935 | 22 | #1,453 |
| 1934 | 15 | #1,860 |
| 1933 | 20 | #1,540 |
| 1932 | 24 | #1,426 |
| 1931 | 24 | #1,427 |
| 1930 | 17 | #1,821 |
| 1929 | 33 | #1,214 |
| 1928 | 26 | #1,448 |
| 1927 | 25 | #1,516 |
| 1926 | 13 | #2,302 |
| 1925 | 29 | #1,360 |
| 1924 | 38 | #1,169 |
| 1923 | 33 | #1,256 |
| 1922 | 26 | #1,470 |
| 1921 | 18 | #1,903 |
| 1920 | 23 | #1,592 |
| 1919 | 17 | #1,881 |
| 1918 | 17 | #1,904 |
| 1917 | 18 | #1,754 |
| 1916 | 11 | #2,388 |
| 1915 | 20 | #1,552 |
| 1914 | 10 | #2,100 |
| 1913 | 6 | #2,495 |
| 1912 | 11 | #1,526 |
| 1911 | 0 | – |
| 1910 | 5 | #1,588 |
| 1909 | 0 | – |
| 1908 | 0 | – |
| 1907 | 0 | – |
| 1906 | 0 | – |
| 1905 | 0 | – |
| 1904 | 0 | – |
| 1903 | 0 | – |
| 1902 | 0 | – |
| 1901 | 0 | – |
| 1900 | 0 | – |
| 1899 | 0 | – |
| 1898 | 0 | – |
| 1897 | 0 | – |
| 1896 | 0 | – |
| 1895 | 0 | – |
| 1894 | 0 | – |
| 1893 | 0 | – |
| 1892 | 5 | #1,065 |
Names like Oneil
Names given in the same years and the same naming tradition, with a similar sound.
Oscar Nolan Neil Brayden Keegan Conrad Brogan Aiden Brady Kevin Teagan Calvin
Names related to Oneil
More Irish names
Rowan Rory Maeve Finn Ryan Quinn Orla Cody Erin Ronan Connor Declan Casey Kennedy Callan Lennon
Sources
Figures from 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, “Oneil: name meaning, origin and popularity”, https://www.nameling.co.uk/names/oneil, updated 20 October 2026.