Artificial intelligent assistant

Where was Shankston in Ayr in 1868? I have a marriage certificate from 1868. It is in the parish of Old Cunmock, in the County of Ayr in Scotland. For the husband to be (Samuel Harris) it says his usual place of residence was Shankston. And thew wife to be (Jane Cunningham) was living in Lochwinnoch. I am trying to locate Shankston. The closest on Google Maps is Shankston Crescent but I am wondering if there was another place back in the 1860s in Ayr?

Looking on the National Library of Scotland's online collection of Ordnance Survey maps, I found the following sheet in the _25 inch to the mile, 1st edition of the Ordnance Survey of Scotland, 1855-1882_ :

* Ayrshire XXXV.11 (Old Cumnock)
* Survey date: 1856 to 1857, Publication date: 1858



_Shankston_ appears to be a farm, a wood, and a 'pit' (Ironstone quarry), as shown in the excerpt below:

![Shankston map](

* Reproduced with the permission of the National Library of Scotland, CC-BY (NLS)

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