I cannot find a marriage between a Thomas Busby and Sarah Horton.
At (and this was not my original source - simply found by doing a search)
https://www.ancestry.com.au/genealogy/records/joseph-horton-busby-24-4fsycn is
"
Joseph Horton Busby
(1801 - 1855)
Born in Stone, Buckinghamshire, England on 1801 to Thomas Busby and Sarah Horton. Joseph Horton Busby married Mary Ann Ford and had 2 children. He passed away on July 1855 in London, England.
"
From a message that I poseted to a Rootsweb mailing list, in 2011;
"
> Joseph Horton BUSBY
> - baptised 03 February 1801 at St Mary the Virgin, Hartwell,
> Buckinghamshire
> - son of Thomas and Sarah BUSBY
>
> That information is from freereg.org.uk .
>
> Henry Horton BUSBY
> - married to Agnes BROWN 10 October 1875, St James, Westminster,
> London
> - son of Joseph Horton BUSBY
>
> (That Joseph Horton BUSBY may be the Joseph Horton BUSBY, baptised in
> Hartwell, Buckinghamshire, in 1801, son of Thomas BUSBY and Sarah)
>
>
> Thomas BUSBY (may be son of Thomas Horton BUSBY, below)
> - married Mary Ann HUMM, 15 August 1859, St Martin in the Fields,
> Westminster, London, England
>
> Thomas Horton BUSBY
> - married Mary Ann COLLETT 31 August 1835, St Martin in the Fields,
> Westminster, London
>
> William Horton BUSBY
> - married to Sarah Elizabeth SHERWIN 14 July 1839, St Mark's,
> Kennington, London
>
> The above information, from Henry Horton BUSBY to William Horton BUSBY, is
> from
> the IGI.
>
> Joseph Horton BUSBY
> - married in June 1843 at St Pancras (London/Middlesex) UK
> - died in September 1855 in London, UK
>
> The information about Joseph Horton BUSBY is from the FreeBMD.
"
At
http://busby.net/bret/genealogy/ThomasBusby_det_descendant_report.html is what I had found of the descendants of Thomas Busby and Sarah (I believe) Horton.
Interestingly, at
"England Marriages, 1538–1973 ", database, FamilySearch (
https://familysearch.org/ark:/61903/1:1:NKWJ-G3N : 11 March 2020), Free Busby, 1800.
is
"
Name Free Busby
Sex Male
Spouse's Name Sarah Horton
Spouse's Sex Female
Marriage Date 7 Jul 1800
Marriage Place St Sepulchre Newgate, Middlesex, England
Marriage Place (Original) London, or Northampton St Sepulchre, Northampton, England
"