I searched for all Surnames associated with Clan Donnachiadh in the Scottish Register of Tartans and obtained the images below. My search only included Clan/Family tartans and excluded Corporate, Fashion, Military etc. The names associated with each tartan contain the Scottish Tartans Authority (STA) OR the Scottish Tartans World Register (STWR) reference numbers in brackets.
Further information can be found on the Scottish Register of Tartans website.
Donachie [6138]
Donachie of Brockloch [2978]
Donachie of Brockloch Ancient Hunting [None]
Donachie of Brockloch Hunting [3002]
Duncan [1112]
Duncan of Sketraw [3224]
Inches of Perth [1753]
MacGlashan [656]
MacGlashan No3 [7152]
MacInroy [1081]
MacInroy No2 [2005]
MacInroy Rattray [3399]
MacIver [1202]
MacIver No2 [1203]
MacIver No3 [1855]
MacIver Hunting [2697]
MacLagan of Glenquiech [7813]
MacPhee (Black & White) [1252]
MacWilliam [1418]
MacWilliam Hunting [1417]
Reid 1939 [5874]
Reid Green [2066]
Robertson [841]
Robertson 1819 [1501]
Robertson 1820 - White line [1803]
Robertson No2 [893]
Robertson No3 [1391]
Robertson No4 [1502]
Robertson No5 [2003]
Robertson Dress (Dalgleish) No2 [539]
Robertson Dress Hunting [1804]
Robertson Hunting No2 [336]
Robertson Hunting (MacGregor-Hastie) [334]
Robertson Hunting [299]
Robertson of Struan [887]
Robertson of Struan 1816 [530]
Robinson Dress (Pendleton) No1 [739]