There were quite a few Aitchison's living in the Kelso area.
Stone at Crailing near Kelso
John Aitchison Died Crailingtofts (no date given) Wife Anne Brown Died Kelso 6th December 1950 aged 64 Son David Redpath Aitchison died Dryburgh Mains 1918 age3d 8 months
At Heiton near Kelso
Janet Aitchison died Bongate 8th July 1865 aged 88 Her Husband Andrew Tait a Joiner at Jedburgh died 18th may 1880 aged 95
Smailholm near Kelso
Stone errected by George Aitchison in memory of wife Isabella Henderson who died at Pilestead Jan 1861 aged 64. Also an infant son Also James died at Togranrogg Russia 8th june 1869 age 36. Also above George Aitchison Died at Broadmeadows Melrose 1885 aged 54.
I have a few others but will need too look them out for you