County Mayo

Hayter David

https://www.mayo.ie/library/local-history/geneaology

https://www.from-ireland.net/county-mayo-genealogy/

http://www.connorsgenealogy.com/Mayo/

http://goldenlangan.com/  

https://www.facebook.com/groups/clansofmayo/

https://www.igp-web.com/IGPArchives/ire/mayo/index.htm

http://www.theirisharchives.com/counties/view/30/Mayo

https://www.genealogylinks.net/uk/ireland/mayo/index.html