Hi,
A quick trawl of the NRS catalogue & Inveresk Churchyard transcriptions brings up these records connecting Thomson + shoemaker + Musselburgh:
Instrument of Sasine in favour of John Thomson, shoemaker in Fisherrow, and Margaret Ramsay, his spouse, in subjects within the liberties of the burgh of Musselburgh, lying within the parish of Inveresk and sheriffdom of Edinburgh. Recorded in the Particular Register of Sasines at Edinburgh 15 Jun 1726.
http://catalogue.nrscotland.gov.uk/nrsonlinecatalogue/details.aspx?reference=RH8%2f1379&st=1&tc=y&tl=n&tn=n&tp=n&k=thomson+musselburgh&ko=a&r=&ro=s&df=&dt=1850&di=ychildren of John Thomson & Margaret Ramsay Inveresk with Musselburgh (family search)
Margaret b. 11 Mar 1726, bpt. 13 Mar 1726
James b. 16 Mar 1728, bpt. 17 Mar 1728
Instrument of Sasine in favour of James Thomson, shoemaker at Bridgend, in a tenement of land lying within the liberties of the burgh of Musselburgh. Recorded in the Particular Register of Sasines at Edinburgh 4 Feb 1729.
http://catalogue.nrscotland.gov.uk/nrsonlinecatalogue/details.aspx?reference=RH8%2f1382&st=1&tc=y&tl=n&tn=n&tp=n&k=thomson+musselburgh&ko=a&r=&ro=s&df=&dt=1850&di=y141. Hic jacit JACOBI THOMSON, Faber Calcearius, in Fisherrow, nuper Thesaurarius Musselburghensis, natus erat, 2 Maii 1689; mortuus est, 28th Aprilis 1759.
MARGARET GIBSON, his spouse, died 7th March 1782, aged 72.
(roughly: James Thomson, shoemaker in Fisherrow and treasurer for the town of Musselburgh)
Two of their children, who died young-JAS. THOMSON, clothier in Musselburgh, died 6th Dec. 1792, aged 40. ISABELLA THOMSON, died April 1st, 1804, aged 50. Also CATHREN THOMSON, died 11th Nov. 1809, aged 79 years. Also MARGARET THOMSON, died 3d Jan. 1810, aged 82 years.
http://www.dustydocs.com/link/167/41590/148316/monumental-inscriptions-ancestor-abel.html11) Disposition and assignation by Anne Douglas spouse of John Herriot, wright in Musselburgh, with consent of her said husband, in favour of Margaret Gibson relict of James Thomson, shoemaker in Fisherrow Vennal, in liferent and James Thomson her son his heirs and assignees of seats in said church of Inveresk, dated 28th November 1772.
http://catalogue.nrscotland.gov.uk/nrsonlinecatalogue/details.aspx?reference=CS228%2fD%2f4%2f29&st=1&tc=y&tl=n&tn=n&tp=n&k=thomson+musselburgh&ko=a&r=&ro=s&df=&dt=1850&di=yChildren of James Thomson & Margaret Gibson, Inveresk with Musselburgh (family search)
Margaret b. 28 Mar, bpt. 31 Mar 1734
Janet b. 20 Jul, bpt. 23 July 1735
Katherine b. 4 Mar, bpt 6 Mar 1737
Isabell b. 21 Jul, bpt 26 Jul 1739
James b. 10 Mar, bpt 13 Mar 1745
James b. 29 Dec, bpt 30 Dec 1747
Instrument of sasine in favour of David Martin, brewer in Musselburgh, of a tenement on the south side of Fisherraw within the privileges of the town of Musselburgh under reversion on payment of £80 stg. by Thomas Thomson, shoemaker in Fisherraw, and Catherine Gray, his spouse. Recorded PRS Edinburgh, 20 Sep 1783.
http://catalogue.nrscotland.gov.uk/nrsonlinecatalogue/details.aspx?reference=GD1%2f513%2f15&st=1&tc=y&tl=n&tn=n&tp=n&k=thomson+musselburgh&ko=a&r=&ro=s&df=&dt=1850&di=yChildren of Thomas Thomson & Catherine Gray, Inveresk with Musselburgh
Ann b. 28 Jan, bpt 29 Jan 1775
William b. 7 Nov, bpt 22 Nov 1776
Jean b. 9 Dec, bpt 20 Dec 1778
Catharine b. 3 Dec, bpt 17 Dec 1780
Mary b. 13 Aug, bpt 7 Sep 1783
Alexander b. 24 Jun, bpt 10 Jul 1785
Thomas b. 29 May, bpt 1 Jun 1788
John b. 22 Apr, bpt 3 May 1790
brigau