Edinburgh, the lands of 'Langmuir, Langsyde, Auldtoun and Lambrochtoune in whose family they seem to have remained until 1820, when George Cunninghame was the owner. This same Robert was cousin-german to Anne, daughter of Sir Robert Cunynghame of Auchinharvie and inherited the lands of Crivoch-Lindsay, together with Crivoch corn mill and Fairlie-Crivoch, including the Chapel lands and glebe of Fairlie-Crivoch. See Chapeltoun. Various mentions are made to a Thirdpart, such as in 1574, when it was a thirdpart or 5 merkland of Lambroughtoun Robertoune, being in that barony and not part of the Barony of Kilmaurs. Townhead of Lambroughton (Lambrochtoune) itself must have passed to the Longmuirs by 1734, as it is recorded by McNaught that Gabriel Longmuir of what is now High Langmuir owned the farm at this date. Townhead of Lambroughton Armstrong's map of 1775 shows a Lamberton, Pont's map of the 17th century shows a Mains of Lambrochton, Arrowsmith in 1807 shows Lamberton, Ainslie's map of 1821 shows a Lambrieghtonend and finally Aitken's map of 1829 gives a Townhead of Lamberton, occupied by a Mr. Orr Esq. References to Lambroughtonend seem to be a confusion with the old farm of that name which was abandoned when East Lambroughton was built. By 1866, Alexander Orr Esq. is the owner of Townhead of Lambroughton. The name Lambroughton Head is however indicated by the 1858 and 1895 OS maps, but finally by 1897, the 6 inches to the mile OS shows the name Townhead of Lambroughton, which it has retained ever since. In 1561, the site is referred to as the Town of Lambroychtoune. The old Stewarton to Irvine road seems to have run through the group of buildings at Lambroughton and as it no longer does, then its course would probably have been altered when the turnpike road was constructed in the 1760s. The old entrance onto the Chapeltoun to Kilmaurs road is no longer in use, but it may represent part of the original route of the 1775 road and some evidence of a road running through the farmyard and out to run behind Laigh Castleton farm is evident from ground conditions. A lane also ran off a crossroads (now a 'T' junction of sorts) near Floors and ran down to the farm as shown on Ainslie's 1821 map. A lane ran from Mid Lamb. directly to Townhead of Lamb until the turnpike was constructed. McNaught states that