A tenancy may also be determined by merger, i.e.

Instead of a marriage ceremony, we could take merger vows.

After the 1920 census was taken the township of Chartiers, with a pop. of 5,000, was annexed, petitions were filed for the annexation of the borough of Homestead with a pop. of 20,452, and a movement was on foot for the merger of the boroughs of Wilkensburg (24,403), Ingram (4,000), Grafton (5934) and others.

Each of these poor-law parishes may represent the extent of an old ecclesiastical parish, or a township separately rated by custom before the practice was stayed in 1819 or separated from a large parish under the act of 1662, or it may represent a chapelry, tything, borough, ward, quarter or hamlet, or other subdivision of the ancient parish, or, under various acts, an area formed by the merger of an extra-parochial place with an adjoining district by the union of detached portions with adjoining parishes, or by the subdivision of a large parish for the better administration of the relief of the poor.