The baby name Alonso appears in baby name data for the United States from 1920 to 2024. It was most popular in 2016 with 328 babies given the name.
In the later years of this period, Alonso has become more popular compared with earlier years.
| Year | Count |
|---|---|
| 1920 | 6 |
| 1926 | 6 |
| 1929 | 8 |
| 1944 | 5 |
| 1947 | 18 |
| 1948 | 6 |
| 1949 | 5 |
| 1956 | 20 |
| 1957 | 12 |
| 1958 | 14 |
| 1959 | 14 |
| 1960 | 22 |
| 1962 | 22 |
| 1963 | 14 |
| 1965 | 10 |
| 1966 | 16 |
| 1967 | 16 |
| 1968 | 14 |
| 1969 | 9 |
| 1970 | 23 |
| 1971 | 13 |
| 1972 | 14 |
| 1973 | 11 |
| 1974 | 10 |
| 1975 | 14 |
| 1977 | 11 |
| 1978 | 48 |
| 1979 | 11 |
| 1980 | 41 |
| 1981 | 35 |
| 1982 | 40 |
| 1983 | 19 |
| 1984 | 35 |
| 1985 | 30 |
| 1986 | 37 |
| 1987 | 41 |
| 1988 | 50 |
| 1989 | 61 |
| 1990 | 69 |
| 1991 | 67 |
| 1992 | 105 |
| 1993 | 94 |
| 1994 | 73 |
| 1995 | 104 |
| 1996 | 88 |
| 1997 | 76 |
| 1998 | 123 |
| 1999 | 134 |
| 2000 | 169 |
| 2001 | 136 |
| 2002 | 179 |
| 2003 | 179 |
| 2004 | 171 |
| 2005 | 239 |
| 2006 | 265 |
| 2007 | 212 |
| 2008 | 237 |
| 2009 | 282 |
| 2010 | 253 |
| 2011 | 257 |
| 2012 | 268 |
| 2013 | 314 |
| 2014 | 274 |
| 2015 | 307 |
| 2016 | 328 |
| 2017 | 214 |
| 2018 | 246 |
| 2019 | 241 |
| 2020 | 155 |
| 2021 | 272 |
| 2022 | 273 |
| 2023 | 164 |
| 2024 | 263 |