info from Lacey Family Tree at ancestry.uk

In the January to March 1889 birth index Francis Charles Lacey, St. George Hanover Square, London, volume 1a, page 441.

Parish Records - All Saints, Grosvenor oad, Pimlico, Westminster, London
Baptized Fevruary 27, 1889, Francis Charles Lacey, parents Thomas John and Elizabeth Amelia Lacey of 67 Hanover Street, born January 11, 1889, father is a painter, ceremony by A. J. Howell

In the 1901 census 67 Hanover Street, St George, Hanover Square, Belgrave, London.
Head Thomas J. Lacey, age 46,house painter, worker,born Pimlico.
Wife Elizabeth A. Lacey, age 46, born Westminster.
Son Thomas J. Lacey, single, age 22, furniture p???, worker, born Westminster.
Son Henry W, Lacey, age 16, ???????? gds, worker, born Pimlico.
Son Francis C., Lacey, age 12, born Pimlico.
Son George W. Lacey,age 10, born Pimlico.
Son Frank Lacey, age 7 born Pimlico.

In the 1911 census 76 Glamorgan Street, Pimlico, Belgrave, St. George Hanover Square, London.
Head Elizabeth Amelia Lacey, age 54, widow, crossed out is married 34 years 8 children born alive 6 still living, born Westminster, London.
Son Thomas James Lacey, age 32, single, Furniture Porter, furniture warehouse, worker, born Westminster.
Son Francis Charles Lacey, age 22, single, typist, companies office, worker, born Pimlico, London.
Son George Wilson Lacey, age 19, single, shipping clerk, shipping merchants, worker, born Pimlico.
Son Edward Lacey, age 17, single, shop boy, tyre fitters shop, worker, born Pimlico.
The house has 3 rooms.

British Army WWI Service Records
Francis Charles Lacey, Army Service Corps 218988 (clerk)
25 Westmoreland Street, Pimlico
Age 27, clerk
Not married
Not served in military before
Signed 21 November 1916
Age 26, height 9 feet 9 1/4 inches
Next of Kin
Scratched out: Elizabeth Lacey, 25 Westmoreland St., Pimlico, mother
Replaced by Gladys Ivy Lacey, 12 Rutland, Pimlico SW, wife
Particulars to marriage
Gladys Ivy Symondson, spinster, Pimlico, St Gabriel’s Church, Pimlico, witnesses Henry John Symondson and Edward Lacey
Medals: British War Medal, Victory Medal
Home 21-11-16 to 21-5-17
Ex. Force France 22-5-17 to 6-1-18
c/10/18 ow furlo ??? o’seas 7-1-18 to 21-1-18
Ex Force France 22-1-18 to 15-6-19
RA/LAnc D J/17/156 Home 16-6-19 to 13-7-19
Statement to Disability
1 Coy. Lancs. Div ???, RASC, private
I do not claim to be suffering from a disability, place of exam Germany, 10-6-19

In the September 1961 death index Francis C, Lacey, age 72, Buckfield district, Sussex, volume 5h, page 170.

National Probate Calendar
Frances Charles Lacey of 14 Ravenswood Road Burgess Hill Sussex died 29 July 1961 at Cuckfield Hospital Sussex Administration London 12 September 1961 to Gladys Ivy Lacey widow. Effects 131 pounds 16 shillings.

Gladys Ivy Symondson listed in the Jan to Mar 1889 birth index St George Hanover Square, London Middlesex vol 1a, page 435

Parish Records St. Gabriel, Warwick Square, Pimlico, Westminster
Born January 10 1889 [This varies by one day from the 1939 England and Wales Register], baptism March 3 1889, Gladys Ivy Symondson, parents Henry John and Amy Symondson of 59 Cumberland Street, father is a musician, ceremony by A. J. Howell

In the 1891 census living at 44 Cumberland Street, St George Hanover Square London,
married age 30 born at Hounslow, Middlesex, occupation Musician Scots Guards.
Wife Amy Simmonds age 28 born at St John’s Heston.
Children Ruby C age 4 born at St Geo. Han. Sq. London,
Gladys Ivy age 2 born at St Geo. Han. Sq. London.
Charles H. Simmonds age 1 born at St Geo. Han. Sq. London.
Cousin Frederick Hart age 17 born at St Geo. Han. Sq. London occupation Boy Printer.

In the 1901 census Henry J. Symondson living at 44 Cumberland Street civil parish St. George Hanover Square, ecclesiastical parish St Gabriel Warwick Square, London, England. Registration district St George Hanover Square, subregistration district Belgrave.
Henry J. Symondson age 40 born at Hounslow, Middlesex, musician.
Wife Amy Symondson age 38, born at Shoreditch, London.
Daughter Ruby C age 14, born at St Georges, London.
Daughter Gladys I age 12, born at St Georges, London.
Son Charles H. Symondson age 10, born at born at St Georges, London.
Daughter Barbara A. Symondson age 9, born at St Georges, London.
Son Percy J Symondson age 8, born at St Georges, London.
Daughter Norah V. Symondson age 6, born at St Georges, London.
Son Henry F. Symondson age 4, born at St Georges, London.
Son Earnest A. Symondson age 2, born at St Georges, London.

In the 1911 census St George district, Belgrave subdistrict, London, parish St. George, Hanover Square, 44 Cumberland Street.
Henry John Symondson, head, married, age 50, Army Pensioner musician, born Hounslow.
Wife Amy Symondson, married 27 years, age 48, 16 children born alive, 10 still living, born Shoreditch.
Daughter Ruby Clare Symondson, single, age 24, feather curler, born Pimlico.
Daughter Gladys Ivy Symondson, single, age 22, sewing machinist manttle?, born Pimlico. Son Charles Henry Symondson, single, age 20, inland revenue, born Pimlico.
Daughter Barbara Amy Symondson, single, age 19, born Pimlico.
Son Percy John Symondson, single, age 18, billiard marker, born Pimlico.
Daughter Norah Violet Symondson, age 16, born Pimlico.
Son Henry Francis Symondson, age 14, school, born Pimlico.
Son Ernest Arthur age 12, school, born Pimlico.
Son Sidney Albert Symondson age 9, born Pimlico.
Daughter Ethel Marie, age 7, born Pimlico.
Their house had 7 rooms.

In the October to December 1916 marriage index Gladys I. Symondson and Francis C. Lacey, St. George Hanover Square, Middlesex, volume 1a, page 1015

Parish Records St. Gabriel, Warwick Square, Pimlico, Westminster
Marriage December 10 1916, Francis Charles Lacey, age 27, bachelor, Private Army Service Corps, of 25 Westmoreland Street, father Thomas John Lacey (deceased) and
Gladys Ivy Symondson, age 27, spinster, of 44 Cumberland Street, father Henry John Symondson, musician (late Scots Guards band)
after banns by W. H. Norman
In the presence of Henry John Symondson and Edward Lacey

1939 England and Wales Register
18 Willow Way, Epsom and Ewell, Surrey
1. Francis C. Lacey, born January 11 1889, married, assistant director of information bureau record searches - financial jpurnalists
2. Gladys I. Lacey, born January 11 1889, married, unpaid domestic duties
3. Frederick C. Lacey, born June 14 1921, single, junior draughtsman (steelwork), G.P.O. first aid Air Raid Precautions

Death date from Lacey Family Tree at ancestry.uk

From the July to September, 1972 death index, Gladys Ivy Lacey, born January 11, 1889, Uckfield, Sussex, volume 5h, page 1426.