Clan Dewar Society & Links

Clan Macnab Society, Inc. is the largest non-profit world-wide Clan Macnab Society. Membership in the Society is open to those bearing, or descended from one bearing, the name Macnab in any of its spelling variations, and the traditional and recognized septs of Clan Macnab, Abbott, Abbottson, Dewar, Gilfillan, Macandeoir.

Sir James Dewar inventor of the thermosk

Add Your Name To The Clan COSCA Roll!


ScotClans is proud to be associated with COSCA, Join a growing and spirited force dedicated to serving, informing and fighting for Scottish American Clan Interests.

  • Join COSCA if you are an Individual who cares about Scottish heritage
  • Join COSCA if you are an Organization that perpetuates Scottish heritage
  • Join COSCA if you are a Business Enterprise that values Scottish heritage

We are still looking for relevant links and society details. If you know of any please contact us.