Armstrong is a very rare boys' name that peaked in 1921 and has since faded.
Armstrong is a boy name. In 2025 it ranked #10,803 for boy births in the United States (and #22,285 across all names), given to 6 babies. Armstrong first appears in 1917 and peaked in 1921 (8 births).
Boys named Armstrong per year · hover for count and boys rank · Source: U.S. Social Security Administration, national data 1917–2025 · U.S.+territories from SSA territory files (1998–2025)