Interactive Map: Ireland 1850 Census > Family Households by Parish

This interactive map shows where people of specific surnames lived in Ireland in the 19th century, according to parish records.

I scraped a static dataset from the Irish Times website, and built a much more interesting way to view the same information, with additional insights provided by clustering of semi-opaque colored markers.

The dataset has 4 pieces of information: latitude, longitude, name of parish and number of family surnames in that parish, E.G.,

[52.23462, -9.46187, ‘Castleisland’, 1],
[52.143351, -10.26865, ‘Dingle’, 1],
[52.476298, -9.535789, ‘Galey’, 1],
[52.561638, -9.615955, ‘Kilconly’, 1],
[52.09152, -9.25196, ‘Kilcummin’, 9]

Here is the original:

Here is mine:

This project uses Leaflet, JavaScript and PHP.

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