David Crawford was born 1^st February 1873 in 41 Whitelaw Street, Maryhill, Glasgow, and died 24^th March 1946 in 58 Lennox Avenue, Milngavie. He married Margaret Major 10^th November 1893 in Black Bull Hall, Milngavie, daughter of Joseph Major and Sarah Park. She was born 6 April 1865 in Highland Row, New Kilpatrick.

David was the younger twin with his brother Thomas. He was at 153 Main Street, Maryhill in 1881 and at 1 Argyle Street, Maryhill in 1891 which was the home of an older brother James, when he was a miner. He was later at 28 Reid Street, Maryhill in 1905. When he married in 1899 he lived at 36 Argyle Street, Maryhill and was a Cement Works Labourer. He was a retired labourer when he died just a few weeks before his twin brother. David was buried 26 March 1946, Plot N425, New Kilpatrick Cemetery, Bearsden. Margaret was a domestic servant and lived at 2 Argyle Lane, Maryhill when they married.

To date, these are the children which have been found.