 Henry Bellingham, a descendant of Alan was a cavalry officer who first came to Ireland during the English Civil War.The lands of Gernonstown were granted to Henry during the Cromwellian Settlement, in which a large amount of native Irish lands were given to Englishmen in reward for their service.Henry is named in the list of grantees under the Acts of Settlement and Explanation of Charles II s. In 1666, Charles II formally granted the lands to him for his ‘faithful service as a good soldier in the late wars’

There is some variation on the spelling of Gernonstowne.