John Jefferys
John Jefferys (1701 – 1754) was an English clockmaker and watchmaker. His parents, John and Jane Jefferys, lived in a house called Darbies in the village of Midgham in the parish of Thatcham in Berkshire. His father was a wool merchant.
John Jefferys
- Born
- 1701.
- Died
- 1754.
- Occupation
- watchmaker.
Reference Check
Propose documentary evidence for John Jefferys. A contribution is never written directly as fact: identity, source, rights and evidence gates still decide.
Sign in to contribute
Documentary evidence
Documentary basis
Authority files
wikidata · Q991484
VALÉORINE Encyclopedia
The documentary record
Statements marked “Documentary record” are set in the article beside the passage they confirm. Each is read from the authority records of the institutions named here; select “Prove” to see the record it was read from, where in that record, and when.
Institutions cited
Deutsche Nationalbibliothek
Not stated by the sources cited: nationality
Complete reading chain (JSON)In this article
In popular media
In popular media
His maternal grandparents were William and Bridgett Yeats. He had at least five brothers and one sister. Although his father was a Quaker, he was christened on 18 March 1701. On 4 November 1717, he began an apprenticeship with watchmaker Edward Jagger at Well Close Square, Stepney, London. After nine years of teaching, on 26 January 1726, he became a member of the Clockmakers Company of London. In 1735, Larcum Kendall was a new apprentice. Around 1753, he built a pocketwatch for clockmaker John Harrison. After he died, Larcum Kendall took over his workshop.
Documentary record
John Jefferys (1701 – 1754) was a clockmaker. Both events are recorded by the Deutsche Nationalbibliothek. Place of activity recorded by the Deutsche Nationalbibliothek: London.
Actor Peter-Hugo Daly was cast as John Jefferys in the Channel 4 TV series Longitude in 2000.
Identity
Identity
John Jefferys is recorded as watchmaker. Jefferys died in 1754.
Life and career
Dated record
Life and career
The full dated record · 2 entries
1701
John Jefferys born.
1754
John Jefferys died.
Text attribution
Licensing
Text attribution
Part of the biographical narrative on this page reuses licensed material. Its origin, revision and licence are recorded here.
The biographical narrative on this page is based on the Wikipedia article John Jefferys (clockmaker), revision 1327310939 (EN edition), by its contributors. VALÉORINE has edited that text and built its own documentary record around it. The reused material is available under CC BY-SA 4.0, and this page's reuse of it is offered under the same licence. Everything else on this page — the chronology, the holdings, the evidence, the plates and the connections — is VALÉORINE's own record. Sources and licences.
Notes from the source article
Cited by Wikipedia
Notes from the source article
These works are cited by the source article, in its own numbering. They are recorded as its citations, not as sources VALÉORINE has verified.
References
Citations
References
Each reference names the institution holding it, so a reader may go to the document itself.
reference work
Secondary witness
The Encyclopedia exists whether or not anything is for sale. Corrections are recorded rather than overwritten, and every version of this record is kept. Published 16 August 2026.
Elsewhere in Watches
318 published records in this field, each with its sources named.
- John FitchArtist
- John HarrisonArtist
- John HarwoodArtist
- John ImisonArtist
- John Joseph MerlinArtist
- John WhitehurstArtist
- Jonathan BettsArtist
- Jonathan HullsArtist
Best supported in this field
For owners
Own a work by John Jefferys?
A specialist will read what you send and tell you what the house can establish, what it cannot, and whether the object is suited to sale. There is no charge and no obligation. The object stays with you throughout; nothing is shipped to us unless it is arranged in writing beforehand.