My Grandmother's Family Tartan - Chisholm, imporoper to wear?

[CollinMacD]

Seeking the proper advice from membership, as I am sure, I am not the first to have asked this question. So I am soliciting the advice from those who know such formalities and traditions of the Scottish Heritage and matters of the tartan.

My father's mother was from the Chisholm Family, Archibald (Ban) Chisholm, of West River, Antigonish, Nova Scotia. She passed away very young and I never meet her, on of about 8 children. Her ancestors arrived the same time that my MacDonald (MacBride) ancestors arrived in 1790 at Cape Bretton, and together, my fifth Great Grandfather, and a Chisholm settled and cleared the land at Marydale, off of the Manchester Road, know known as St. Andrew, NS. Since then our families have married, etc. I have not done as much family research, but do know these Chisholm's were from Strathglass, Scotland, very Roman Catholic, and direct decendants of an Alexander Chisholm, they stole livestock, and fought with MacDonald during the uprising in 1745, this has been passed down through the family, I really don't know much more.

My question is this, it is unusual to wear the tartan of your Grandmother's side of your Scottish Ancestors. I know you can wear what you wish, etc., in today's world. However, I would really like to know what is proper etiquette and would it be considered in bad taste, or improper for me, the grandson, who is MacDonald Clanranald, to wear the Chisholm Tartan, on occasion, in honor of your Grandmother's side. FYI...from my family research, appears that my MacDonald side was very close and married off and on between the Chisholm's and MacIntosh families through the years in Nova Scotia. Would appreciate to your views on this, wearing the tartan from your Grandmothers Clan, accepted or not? Traditional or considered offensive?