Mchenry is an uncommon given name of Irish origin, derived from a Norman French surname that was brought to Ireland during the Anglo-Norman invasion in the late 12th century. The name originally referred to someone who came from the region around the River Seine in Normandy, France. However, over time it became established as an Irish name and has been used by families of Irish descent ever since.
The name Mchenry has seen a fluctuating trend in annual births over the given time period, with peaks occurring roughly two decades apart and a significant gap between 1933 and 1949. The most popular years for the name were 1922 and 1933, each with 7 births. Despite these variations, the total number of births registered as Mchenry over this period is 51.