Harry was born on 19th June, 1890 in Sculcoates, Yorkshire, England, to Harry Matthew Glansford and his wife Mary Ann McCarthy. 
In the 1901 census, Harry is recorded living at the Trinity House Home  aged 10 and a Fisherman's child.  By this time his Father was deceased.
By the time the 1911 census was made, Harry's mother had remarried, and Harry was back living with her and his new Step Father and siblings in 125 Woodcock St Hull, Sculcoates, Yorkshire & Yorkshire (East Riding), England. 
Arthur Edward Bailey Head Married Male 38 1873 Newport Howdenshire Gland Packer N E Railway
Mary Anne Bailey Wife Married Female 41 1870 Brixham Denonshire
Henry Mathews Glansford Stepson Single Male 20 1891 Hull Yorkshire Dock Labour
Lilian Maude Glansford Stepdaughter Single Female 18 1893 Melford Haven South Wales Fancy Tin Maker
Wilfrid Satisbury Glansford Stepson Male 14 1897 Melford Haven South Wales
Albert Edward Bailey Son Male 7 1904 Hull Yorkshire
In 1919, Harry was called up for Military service. He joined the 972nd Area Employment Company Battalion, Regiment 488785, Labour Corps 
In 1920, in Sculcoates, Harry married Lizzie Credgington (Thompson) Crawley.
In 1939, Harry was recorded living at 72 Askew Avenue , Kingston-upon-Hull C.B., Yorkshire (East Riding), England. 
Harry M Glansford 19 Jun 1890 Male Goods Guard To L N Railway Married
Lizzie C Glansford 26 Jul 1883 Female Unpaid Domestic Duties Married
Denis Glansford 21 Sep 1925 Male At School Single
Elsie Evensen (Crawley) 24 Feb 1908 Female Shop Assistant Mantles Single
Alfred Crawley 11 Feb 1911 Male Fish Dock Fillster Car C? Drive Single
Note 2 members of this family have been redacted on the transcription due to privacy laws.
Harry passed away in Hull, during 1968 aged 77 years.
Disconnected Ann Matthews - 1814 (Mother) not related -
Disconnected Samuel Henry Glansford - 6 (Father) not related
Therefore Disconnected Siblings Glansford - 9, Glansford - 8, and Glansford - 7
Mother is Mary Ann McCarthy (1901 census) (her mother also Mary Ann)
Father is Harry Matthew Glansford (marriage record) m 1887
Known siblings -
Annie M - 1889 - Hull
Lillian M - 1893 - Milford Haven
Bertie Daniel 1895 - Milford Haven Died at birth/soon after
Wilfred S - 1897 - Milford Haven
Albert Edward Bailey 1904 - Sculcoates
Phyllis Elizabeth - 1912 Sculcoates
Update: Harry was actually the grandson of Samuel Henry Glansford and Ann Matthews. McHugh-842 19:11, 4 September 2020 (UTC)
↑ "England and Wales Birth Registration Index, 1837-2008," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:2XBQ-BBT : 1 October 2014), Harry Matthew Glansford, 1890; from "England & Wales Births, 1837-2006," database, findmypast (http://www.findmypast.com : 2012); citing Birth Registration, Sculcoates, Yorkshire, England, citing General Register Office, Southport, England.
↑ GLANSFORD, Harry Matthew; Mother's Maiden name: MCCARTHY | GRO Reference: 1890 S Quarter in SCULCOATES Volume 09D Page 138
↑ ‘Hull Trinity House’. In Wikipedia, 21 June 2018. |accessed 29 January 2019 16:08 Wikipedia
↑ "England and Wales Census, 1901," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:XS9R-9DD : 8 April 2016), Harry M Glansford, Sculcoates, Yorkshire (East Riding), England; from "1901 England, Scotland and Wales census," database and images, findmypast (http://www.findmypast.com : n.d.); citing Cottingham subdistrict, PRO RG 13, The National Archives, Kew, Surrey.
↑ "United Kingdom, World War I Service Records, 1914-1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:QVBP-1WBX : 16 March 2018), Harry Matthew Glansford, 1919; citing Hull, Yorkshire, England, Labour Corps, regiment #488785, publication WO 363, The National Archives, Kew, Surrey; FHL microfilm 7,407,334.
↑ "England and Wales Marriage Registration Index, 1837-2005," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:262T-BWP : 13 December 2014), Lizzie C Crawley and null, 1920; from “England & Wales Marriages, 1837-2005,” database, findmypast (http://www.findmypast.com : 2012); citing 1920, quarter 3, vol. 9D, p. 452, Sculcoates, Yorkshire, England, General Register Office, Southport, England.