This is a Y-DNA surname project for the name McAteer and variants of the name. McAteer is a surname most commonly found in the north of Ireland. It is derived from the gaelic Mac an tSaoir, meaning son of a carpenter, or craftsman. Variants of the name include Mateer, Matier, McTeer, McTier, McIntyre, Carpenter, and possibly, Freeman. Currently the Isles Sc/Ire 8.3 sector of the I-M223 haplogroup project has documented McAteer/McIntyre/Matier/Carpenter as DNA tested variants of the Mac an tSaoir surname. While this project evolved from the I-M223 project, and the majority of the current documented McAteers in the FamilyTree DNA database are I-M223s with origins in southeast Ulster (Armagh/Down), this project is open and welcoming to McAteers and variants of all lineages. Some information on the name from johngrenham.com below: Mac Ateer - líonmhar: Cúige Uladh. Tá Baile Mhac an t-Saoir in Ard Mhacha ach ní foláir go raibh an sloinne coitianta sa mheán-aois. Sa 6 céad, bhí mac an t-saoir ar Chiarán, bunaitheoir Chluain Mhic Nóis. Is sloinne Albanach é, leis, faoin leagan Mac Intyre, atá líonmhar in Ulaidh, i nDoire go sonrach. Trí aistriúchán deineadh Carpenter agus Freeman díobh, áiteanna Mac Ateer - numerous: Ulster. Ballymacantsaoir is in Armagh but the surname must have been common in the middle ages. In the 6th century, Chiarán, the founder of Cloin MacNóis, was the son of a carpenter. It is also a Scottish surname, under the version Mac Intyre, which is numerous in Ulster, Derry specifically. By translation they became Carpenter and Freeman, places MacAteer - numerous: Ulster generally, etc. Ir. Mac an t-Saoir, "son of the craftsman". The corresponding Scottish name is Mac Intyre, also widespread in Ulster. Matier - Quite numerous: Down, Belfast etc. Variant of Mac Ateer. Carpenter - fairly numerous: Leinster etc. Ir. Mac an tSaoir. Also occurs as MacAteer in Ulster and MacIntyre in Scotland. Note from the admin: This is purely a DNA and genealogical research project. There is no sectarian bias here. DNA and surnames do not always align with modern national borders, politics, religion, or one's sense of identity. As with many surnames in Ulster, there are McAteers of all backgrounds. All are welcome who share a connection to the surname McAteer and variants of the name.