The baby name Mcarthur appears in baby name data for the United States from 1941 to 1975. It was most popular in 1942 with 373 babies given the name.
In the later years of this period, Mcarthur has become less common than it once was.
| Year | Count |
|---|---|
| 1941 | 5 |
| 1942 | 373 |
| 1943 | 221 |
| 1944 | 142 |
| 1945 | 126 |
| 1946 | 92 |
| 1947 | 76 |
| 1948 | 26 |
| 1949 | 47 |
| 1950 | 27 |
| 1951 | 85 |
| 1952 | 35 |
| 1953 | 25 |
| 1954 | 10 |
| 1955 | 12 |
| 1956 | 12 |
| 1957 | 15 |
| 1958 | 6 |
| 1959 | 18 |
| 1960 | 15 |
| 1961 | 10 |
| 1962 | 35 |
| 1963 | 19 |
| 1964 | 18 |
| 1965 | 10 |
| 1966 | 6 |
| 1967 | 6 |
| 1968 | 5 |
| 1971 | 5 |
| 1975 | 5 |