Townland

Derrassa

Doire Easa

Derrassa is a townland in Mayo. Explore its recorded names and geographic context.

Recorded locationDerrassa53.70092° N · 9.37777° WInteractive map supplied by OpenStreetMap.

Recorded place location · Logainm.ieOpen in OpenStreetMap ↗

The name

doire(oak-)wood, grove, thicket

These Irish name elements are associated with this record in the Logainm glossary.

An element’s translation is a clue, rather than a complete explanation of the name. Its form and meaning depend on local history and the full Irish name.

Recorded forms

Doire Easa · Irish · main form · validated name
Derrassa · English · main form

Geographic information

Place type: Townland
County: Mayo
Barony: Carra
Civil parish: Ballyovey
Within: Ballyovey
Coordinates: 53.70092, -9.37777
Mapped area: 5.32 km²
Logainm ID: 34773 ↗

People & family history

Census figures refer to the matched historical census area for each year. Boundaries and spellings can change over time.

1901 census

90People recorded

16Households recorded

Most frequent surnames in this year’s matched records

Heneghan 16
Conway 13
Lally 12
Joyce 9
Costelloe 8

Explore the 1901 records ↗

1911 census

No verified place match is available for this year. This does not indicate a population of zero.

1926 census

77People recorded

14Households recorded

Most frequent surnames in this year’s matched records

Lally 19
Heneghan 17
Conway 12
Lydon 7
Costello 5

Explore the 1926 records ↗

Sources & further reading

Logainm.ie — Derrassa. Place names and geographic record, licensed under CC BY 4.0.
Boundary geometry retains its source attribution and licence in the downloadable geographic record. Map tiles © OpenStreetMap contributors.

Name record retrieved 2026-10-25 · Source record modified 2025-01-10. How this page was prepared.