Reginald Lomond Barker was born in Hounslow, London, England around 1870 but his birth was never registered. He was baptised in St Mary the Virgin Church, Hounslow on 12 May 1870 and his parents' names were given as Henry Gurteen Barker (b. 1832), a leather merchant, and Mary Emily. A marriage between the two was never recorded.
At the time of his baptism his father Henry was described as a gentleman. His father was born in Haverhill, Sussex in 1832 and by the time the 1871 census was conducted he was living as a lodger at 165 New Bond Street, St George's, London and described himself as an unmarried leather merchant. He was married in 1881 to Ellen Attmore Schlaet (b. 1855 in Norfolk) but is not thought to have had any children. He wound up his days living in Portsmouth, Hampshire and died on 2 December 1902. Reginald and his mother are not identifiable on any census records from 1871 through to 1901.
Reginald was married in London in 1908 to Laura Andrew (b. 1861 in Hammersmith). Reginald is absent from the 1911 census but his wife appears living at Maybush House, Romsey Road, Shirley, Southampton.
He initially signed-on to the Titanic in Belfast for her delivery trip to Southampton and signed on again as a Purser on 6 April 1912, although listed no differently from his colleague Hugh McElroy he was paid at a lower rate (£15 per month). His last ship had been the Majestic.
On Sunday, 14 April, Reginald Barker conducted a short service for the passengers in the Second Class Dining Saloon.
After the collision, as the water reached C-Deck, Barker stood with McElroy, Dr O'Loughlin and Dr John Edward Simpson. For a brief time they were joined by Second Officer Herbert Lightoller. The men shook hands and exchanged goodbyes.
Barker died in the sinking. His body, if recovered, was never identified. The following death notice appeared in the Hampshire Independent:
BARKER--April 15, whilst doing his duty on the ss Titanic, Reginald Lomond Barker, of Maybush House, Old Shirley
His effects, worth £401, 10s, 8d, were administered to his widow on 26 June 1912.