Ordnance Survey Ireland Old Maps

Type the place name in the search box to find the exact location. Ordnance survey of ireland archive the ordnance survey (os) was established in 1824, under the direction of colonel thomas colby, assisted by lieutenant thomas larcom, to undertake a townland survey of ireland and to map the entire country at a scale of 6 inches to one mile. Although the first ordnance survey map was published in 1801, it was many years before it produced detailed maps of the whole country.

Suirbhéireacht ordanáis éireann) is the national mapping agency of ireland.it was established on 4 march 2002 as a body corporate. Major thomas frederick colby (director of the first os) Type the place name in the search box to find the exact location.

Prime2 is ordnance survey ireland’s (osi) central database of spatial information.

The following maps are highly detailed, taken from the 1/2500 plans and reprinted at about 14 inches to the mile. When the survey of the whole country was completed in 1846, it was a world first. Most are town plans which were surveyed at either five or ten foot to one mile scale between 1837 and 1896. Ordnance survey of ireland archive the ordnance survey (os) was established in 1824, under the direction of colonel thomas colby, assisted by lieutenant thomas larcom, to undertake a townland survey of ireland and to map the entire country at a scale of 6 inches to one mile.