The baby name Nelwyn appears in baby name data for the United States from 1914 to 1960. It was most popular in 1935 with 44 babies given the name.
Over the period shown, Nelwyn has stayed at a similar level of popularity.
| Year | Count |
|---|---|
| 1914 | 10 |
| 1917 | 8 |
| 1918 | 10 |
| 1919 | 7 |
| 1920 | 10 |
| 1921 | 10 |
| 1923 | 5 |
| 1924 | 13 |
| 1925 | 15 |
| 1926 | 16 |
| 1927 | 18 |
| 1928 | 20 |
| 1929 | 21 |
| 1930 | 22 |
| 1931 | 16 |
| 1933 | 19 |
| 1934 | 17 |
| 1935 | 44 |
| 1936 | 18 |
| 1938 | 21 |
| 1939 | 17 |
| 1940 | 13 |
| 1941 | 6 |
| 1942 | 8 |
| 1943 | 6 |
| 1944 | 8 |
| 1946 | 5 |
| 1947 | 7 |
| 1948 | 11 |
| 1950 | 5 |
| 1951 | 11 |
| 1953 | 7 |
| 1955 | 8 |
| 1956 | 11 |
| 1957 | 5 |
| 1958 | 6 |
| 1959 | 5 |
| 1960 | 5 |