Chalmus is a unique and distinctive given name of Latin origin, derived from the Roman family name Calamus, which was likely an occupational surname for someone who worked with reeds. The name Chalmus has been rare throughout history but offers a distinct identity to those who bear it.
"Chalmus experienced a peak in births in 1929 with ten babies born that year. The most common number of births per year was five, which occurred nine times over the nineteen-year span. The total number of children named Chalmus between 1916 and 1939 was fifty-three."