Name, birth, marriage and death information from Christopher Rack.
Also
Marriage Mr. H. McKellar of the firm Gibson and Co. to Mrs Anne Gibson, widow of the late G.T. Gibson
and
National Probate Calendar
11 June 1886. The Will of Ann McKellar late of Richmond Lodge Streatham Hill in the County of Surrey Widow who died 15 May 1886 at Richmond Lodge was proved at the Principal Registry by Samuel Wix [son in law] of Broadwater Down Tunbridge Wells in the County of Sussex Esquire the sole Executor. Personal Estate 47 927 pounds 11 shillings 11 pence.

In the 1841 census Wandsworth, Surrey
Wandsworth Lodge
Henry McKeller, age 40, independent, not born in county.
Ann McKeller, age 35, not born in county.
Ann Gibson, age 15, Independent,not born in county.

In the 1861 census Wandsworth Lodge Burntwood? Common, Wandsworth, Surrey.
Head H. McKellar, age 60, landed & house proprietor, born London.
Wife Ann McKellar, age 56, born Calcutta.
3 servants, a cook, a housemaid and a footman. A gardener and his family are crossed out as they live in a different parish.

In the 1871 census Richmond Lodge, Streatham, Surrey. Head Ann McKellar, widow, age 67, fund holder, born Madras.
Granddaughter Ada Hester Wix, unmarried, age 21, born Balham, Surrey.
Grandson Ernest Newton Wix, age 19, Undergrad of Kings Coll, Cambridge, born Balham. Grandson Edwin Walter Wix, age 17, born Balham.
Granddaughter Lilian Emily Wix, age 13, born Balham.
3 servants, a cook, a housemaid and a footman.

In the 1881 census Richmond Lodge, Main Road, Streatham, London.
Head Ann McKellar, widow, age 78, born Madras, India.
Visitor Jemima Wix, widow, age 61, widow, born Chapel, Leicestershire?.
4 servants a housemaid, butler, cook and coachman and the coachman’s wife. [I wonder if Jemima Wix is the mother in law of Ann’s daughter]

Norwood Cemetery, Norwood Road, Lambeth, Surrey Burials
Ann McKellar of Richmond Lodge, Streatham Hill, buried May 22, 1886, age 85 years, ceremony performed by Arthur Woods.

Mission Church, Calcutta, Bengal, India
Baptism 1785
February 27, George Thomas, age 3 months, son of Robert Gibson [note: no mother mentioned as many other entries on the page have.], sponsors Thomas Henry Park, Robert Bell and Anna. [could Anna be Robert Bell’s wife?]

Name birth, death and marriage information from Christopher Rack. Also
Memoriae Sacrum Gibson, Obit September 1st, Anno Domino 1813, Aetatis suae 24.; Also to the Memory of George Thomas Gibson, who departed this life the 5th of Dec. 1826. aged 43 years.; South Park St Burial Ground, Calcutta; Bengal Obituary p.151

India Select Marriages
May 1, 1807 George Thomas Gibson and Margaret Moir, Calcutta, Bengal, India.

Marriages at Calcutta Fort William in Bengal
George Thomas Gibson Bachelor and Margaret Moir Spinster both of Calcutta Fort William in Bengal were married at Calcutta aforesaid this first day of May A. D. 1807
by me Paul Limrick, Chaplain at the Presidency of Fort William
In the Presence of G. Sands, Joseph Taylor, S. Sands, Elizabeth Watts

India Select Marriages
January 1, 1816 George Thomas Gibson and Ann Moir, Calcutta, Bengal, India.

Marriages at Calcutta Fort William in Bengal
George Thomas Gibson Bachelor [Bachelor?] and Ann Moir Spinster both of Calcutta Fort William in Bengal were married at Calcutta aforesaid this first day of January A. D. 1816
by me Henry Shepherd, Senior Chaplain at the Presidency of Fort William
In the Presence of Robert Gibson, Richard Pauling, Mary Pauling, Anne Gibson

From the Bengal Obituary or a Record to Perpetuate the Memory of Departed Worth
by Holmes and Co.
39, Cossitollah, Calcutta
1851
Park Street Burial Ground [Calcutta]

Sacred to the Memory of Robert Gibson,
of Denmark Hill, Surry [as spelled], who departed this life
6 February 1823.
Born in the parish of Slains, Aberdeenshire,
North Britain, A. D. 1759

Sacred to the Memory of
Mr. Richard Pauling,
who died 20th October 1822, aged 39 years.

Sacred to the Memory of Mary Pauling,
relict of the late Richard Pauling, who departed
this life on the 22d March 1824, aged 28 years.

Memoriae Sacrum Gibson
Obit September 1st, Anno Domino 1813,
Aetatis suae 24

Also to the Memory of
George Thomas Gibson,
who departed this life the 5th of Dec. 1826,
aged 43 years.

end of record

Was a partner in Robert Gibson & Co. after his father died.

From Ann Banks Richard Pauling and George Thomas Gibson were business partners.

The Quarterly Oriental Magazine 1826
Deaths
At Calcutta, on 5th December, Mr. George Thomas Gibson, aged 43 years

India Deaths and Burials
Burial, George Thomas Gibson, December 6 1826, Calcutta, Bengal, age 53 [must be an error], race white, marital status unknown.

Name, birth, marriage and death information from Christopher Rack.
Also
Son of Duncan McKellar of D. McKellar & Sons, Tailors of Old Burlington Street, Bond Street, London and his wife Ann Burnett.
and
National Probate Calendar
21 October 1862. The Will of Henry McKellar late of Wandsworth Lodge in the County of Surrey Esquire deceased who died 5 October 1862 at Wandsworth Lodge aforesaid was proved at the Principal Registry by the oath of Ann McKellar of Wandsworth Lodge aforesaid Widow the Relict the sole Executrix. Effects under 60 000 pounds.

London Gazette
Notice is hereby given, that the partnership subsisting between Charles Wing, of Plasgwynant, in the County of Carnarvon and of No. 22 North-bank, Regents-park, in the County of Middlesex, Esquire and Henry McKellar, of Wandsworth-lodge, in the County of Surrey, Esquire, carrying on and working certain Mines and Quarries, in the parish of Beddgelert, in the counties of Merioneth and Carnarvon, was this day dissolved by mutual consent:
As Witness the hands of the parties the 30th day of October, 1841.