John Webb was born on Wednesday 30th October 1850 in the town of Cromarty in the north of Scotland. His father, Richard Webb, a Navy Coastguard officer, was born in England. His mother, Susannah Rachel Aitken was also born in England. John was baptised on Wednesday 11th December 1850. He had one half-brother, James Duncan, from an earlier relationship (not marriage) in England between his mother and a Captain Duncan. He had one older brother Richard and two younger sisters Susannah and Mary.
On 4th June 1875, at the age of 24, he married Elizabeth Glen, a 22-year-old flax mill worker. At this stage John was living at 9 Annfield Road, Dundee, and was employed as a ship carpenter at one of Dundee's shipyards. The marriage ceremony took place at Elizabeth's parents house at 13 Chapel Place, Montrose.
John and Elizabeth had four children; Richard, Elizabeth, Edwin and Susannah before Elizabeth died on 12th February 1887 at the age 33.
Two years later on 7th June 1889 John married Margaret Lackie, a 27-year-old domestic servant. John was 38 years old and he and his children were living at 42 Benfield Road, Dundee and John was still employed as a ship carpenter.
John and Margaret had ten children; James, Aggie, Harry, John, Bella, Will, Frank, Meg, Charles and Joe.
John died on 3rd December 1905, three days after receiving internal injuries from an accident at the shipyard. He was 55 years old and was a foreman shipwright at the time, living at 185 Princes St, Dundee.