Where exactly are/ were Tonybaun/ Toneban and Glanduff in Mayo

I suspect the townlands you are looking for are Tonybaun and Glendaduff. You can find both on Griffiths Valuation maps. Use the slider bar in the top right hand corner of the map screen to overlay a modern map on the 1850s map.

http://www.askaboutireland.ie/griffith-valuation/index.xml

Following on from the details above... Glendaduff  townland consists of just over 747  acres, in Attymass civil parish, and is about 9 km (nearly 6 miles) by road to the north east of the town of Foxford.
see : Google Map Directions  (from Foxford) / 1st Ed. OSI Map (c1837)

Tonybaun  townland consists of just over  293 acres, and is located in Ballynahaglish civil parish and abt 4km (just over 2 miles) north of Knockmore, or abt 10km north of Foxford. The townland Is located on the border with Attymass civil parish.
see : Google Map Directions (from Knockmore) / 1st Ed. OSI Map
 

Thank you Shane. I wondered if Glanduff was Glendaduff.

Thanks also for the Google map directions. Brilliant.

Alison

Thank you.

Thanks Shane and Elwyn. Good luck with your research Alison!

Best wishes
Clare Doyle
Genealogy Support

Hi am from derreen next village to glanduff if u want to know anything let me know