In the July to September 1862 birth index Emma Caroline Harrison, Shoreditch, London, volume 1c, page 4.

Parish records St. Luke, Finsbury, Islington, London
Born June 6, 1862 baptism July 6, 1862 Emma Caroline Harrison, father Henry Haynes Harrison mother Clara Harrison, abode 47 ????? Buildings, father is a perfumer

In the 1871 census Mile End Old Town civil parish, St. Dunstan ecclesiastical parish, London, 89 Stepney Green.
Henry Harrison, head, married, age 32, Labourer, born Tooting, Surrey.
Wife Clara Harrison, age 31, Brush drawer, born St. Pancras.
Son Henry Harrison, age 10, born St. Lukes.
Daughter Emma, Harrison age 8, born Shoreditch.
Daughter Alice Harrison, age 6, born Shoreditch.
Son James Harrison, age 2, born Stepney.
Son Alfred Harrison, age 2 months, born Stepney.

In the 1881 census civil parish of Bow, London, registration district Poplar, sub district of Bow, 22 Usher Road.
Henry H. Harrison, head, married, age 43, Cooper, born Streatham, Surrey.
Wife Clara Harrison, age 43, Brush Driller, born St. Pancras.
Son Henry T. Harrison, age 20, single, Brush Drawer, born St. Lukes Middlesex.
Daughter Emma C. Harrison, age 18, Brush Drawer, born Shoreditch, Middlesex.
Daughter Alice E. Harrison, age 16, Brush Drawer, born Shoreditch.
Son James Harrison, age 12, scholar, born Stepney, Middlesex.
Son Alfred Harrison, age 10, born Stepney.
Son Arthur Harrison, age 6, born Bethnal Green, Middlesex.
Son Christopher Harrison, age 1, born Bow.

Parish Records St. John, Hackney, London
Marriage July 15 1894, Harry William Grant, age 23, bachelor, collector, 66 Eleanor Road, Dalston, father Thomas Jubal Grant, Coal Merchant and
Emma Caroline Harrisson [as spelled], age 26 [age incorrect], spinster, of 35 Cadogan Terrace, Victoria Park, father Henry Haynes Harrisson [as spelled], foreman at the London Docks
after banns by John Beardale, Vicar of St. Saviour’s Poplar
signed Harry William Grant and Emma Caroline Harison
in the presence of John Harrison, Minnie Grant, A? Shirriron?

In the 1901 census Walthamstow civil parish, St Mary Ecclesiastical parish, Walthamstow Essex, West Ham district Walthamstow sub district, 33 Belgrave Road.
Harry W. Grant, head, married, age 29, Coal Merchant’s Collector, worker, born Hackney London.
Wife Emma C. Grant, age 30 [age is incorrect], born Kingsland, London.
Head, Clara Harrison, married, age 62, born St. Pancras.
Son Arthur Harrison, single, age 28, Merchant’s Clerk, worker born Bethnal Green.
Son Philip C. Harrison, single age 21, Worker, born North Bow. [Philip C Harrison is Christopher Harrison?]

From the Williams Family Tree at ancestry.co.uk by Barbara Olivec
Obituary - no date, or newspaper name
The Late Mrs. Emma Caroline Grant
The funeral of the late Mrs. Emma Caroline Grant, wife of Mr. Harry William Grant of Queen’s Park and Gosnells, took place on Wednesday the 14th instant, and was largely attended. The deceased, who was 52 years of age, was born in London, England and had been a resident of this state for the last 14 years. The funeral cortege moved from Messrs. Arthur E. Davies and Co’s private mortuary, Claremont and proceeded to the Karrakatta Cemetery, where the remains were laid to rest in the Anglican portion. The Rev. H. E. King officiated at the graveside. The chief mourners were: Mr. H. W. Grant (husband), Mr. James Harrison (brother), Messrs. Roy McAtee and Ronald Harrison (nephews), Mrs. R. McAtee (niece). The pall-bearers were: Messrs. W. C. Richards, A. Cornish, C. Stewart, A. E. Clements, and A. M. Noble and W. G. Hall (representing the Mount Lyell Chemical Works). Wreaths were placed on the grave by the Queen’s Park Memorial Hall Association, the Harmony Lodge No. 8, W.A.C., employees Mount Lyell Chemical Works, relatives, and many friends. . . .
[Assuming her age is correct, this woud be about 1915 and she would have emigrated in about 1901 (after the 1901 census)]
[Karrakatta Cemetery is in the suburb of Karrakatta in Perth, Western Australia.]

In the 1922 Australia Death index Emma C. Grant, Perth Western Australia, registration number 719.
[based on this she would have emigrated in about 1908, and her real age would be about 60.]

In the 1881 census 66 Eleanor Road, Hackney, London
Head Thomas Jabal Grant, age 47 [or 44], coal merchant employing own family, born Bermondsey, Surrey.
Wife Elizabeth Grant, age 49, wife of coal dealer, born Thelbar? [Thurlbear?], Somerset.
Son Thomas Barnet Grant, unmarried, age 19, clerk to iron manufacturer, born Clerkenwell, Middlesex.
Son Leonard Grant, age 18, apprentice to pianofort maker, born Clerkenwell.
Daughter Bessie Georgiana Grant, age 16, clerk to coal merchant, born Clerkenwell.
Son George Grant, age 14, collector for coal merchant [clerk added later], born Clerkenwell.
Daughter Lettie Selina Grant, age 11, scholar, born Clerkenwell.
Son Harry William Grant, age 10, scholar, born Hackney, Middlesex.
Daughter Minnie M. M. Grant, age 8, scholar, born Hackney.
Father George Grant, age 72, collector to coal mer hant [clerk added later], born Frampton Coldwell, Gloucestershire.
1 boarder

In the 1891 census 66 Eleanor Road, Hackney, London
Head Thomas Grant, married, age 57, coal dealer, neither employer nor employed, Bermondsey, Surrey
Wife Elizabeth Grant, age 59, born Shillare, Somerset.
Daughter Bessie G? Grant, single, age 26, born Clerkenwell, London.
Daughter Lottie S. Grant, single, age 21, born Clerkenwell.
Son Henry W. Grant, age 20, coal dealer collector, employed, born Homerton, London.
Daughter Minie [or Mimi] Grant, age 18, born Hackney, London.

Australia Electoral Rolls
Forrest, Murray, Western Australia
Florence Evelyn Grant, Kent Street, Rockingham, home duties
Harry William Grant, Kent Street, Rockingham electrician
[Florence would have married Harry after Emma had died.]