David was born on August 26th, 1843 in Dalmeny and his baptism took place there on October 8th, 1843.1
Birth Notes
7 in 1851, 17 in 1861, so born 1843/44, in Dalmeny 29 in 1871, if this is him living next door to parents, so that would mean born 1841/42
Name: David Johnston Gender: Male Christening Date: 08 Oct 1843 Christening Place: , DALMENY, WEST LOTHIAN, SCOTLAND Birth Date: 26 Aug 1843 Father's Name: John Johnston Mother's Name: Ann Dick
Indexing Project (Batch) Number: C11665-5 System Origin: Scotland-VR GS Film number: 1066629 Reference ID: 2:17H4DFC
Citing this Record "Scotland Births and Baptisms, 1564-1950," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:XYQX-L5G : 10 February 2018), Ann Dick in entry for David Johnston, 26 Aug 1843; citing , reference 2:17H4DFC, index based upon data collected by the Genealogical Society of Utah, Salt Lake City; FHL microfilm 1,066,629.