Why not think about becoming a member of the Mackay Family History Society. Members receive discounts when researching at the Society’s rooms. You will also receive a discount if you ask for research to be undertaken for you.
You can apply for membership of the Mackay Family History Society by downloading the PDF in the following Membership Form link.
To be able to view the form, you will need to have Adobe Acrobat Reader installed. You can install it by going to this link: http://get.adobe.com/reader/otherversions/