John Hellins

This subject should not be confused with John Hellins, 1829–87, clergyman and entomologist.[1]

John Hellins FRS (ca. 1749 – 5 April 1827) was an autodidact, schoolteacher, mathematician, astronomer and country parson.[2]

Early years

He was born in Devon ca. 1749, the son of a poor family, and the parish apprenticed him to a cooper.[3]

He became a schoolteacher and through hard work and patronage became assistant to Nevil Maskelyne, the Astronomer Royal in 1773.[4]

Service as priest

He went on to become a clergyman, serving as a curate at Constantine, Kerrier (1779–83) and afterwards at Greens Norton, near Towcester. In 1789 he was entered as a 'ten-year man' at Trinity College, Cambridge, and eventually graduated BD in 1800.[5] In 1790 he was presented to the vicarage of Potterspury in Northamptonshire. On 10 November 1794 he married Anne Brock of North Tawton.[3] He founded the village school in Potterspury: today the John Hellins Primary School bears his name.[6]

Recognition of his scientific contribution

His mathematician and astronomical learning was noted. He became a Fellow of the Royal Society in 1796. Three years later (1799), he was awarded the Copley Medal largely for his paper on computing the perturbations of planets.[3]

Analytical Institutions

He supervised the translation from Italian of the Instituzioni analitiche ad uso della gioventù italiana by Maria Gaetana Agnesi, which was published in 1801 by Taylor and Wilks, London as Analytical Institutions in Four Books[7]

Davies Gilbert's eulogy

The Gentleman's Magazine in 1828,[8] printed the eulogy on Hellins's life and achievements, given at a meeting of the Royal Society, by Davies Gilbert, its President:

One of those extraordinary men, who, deprived of early advantages, have elevated themselves, by the force of genius of industry, to a level above most persons blessed with regular education. [...]

In 1787 he edited The Young Algebracist's Companion. In 1788, he published Mathematical Essays, on several subjects and in 1802 in two volumes, The Analytical Institutions, originally written in Italian, by Maria Gaetana Agnesi, translated by John Colson. Taking orders, Hellins was for some time curate of Constantine in Cornwall and, afterwards, of Greens Norton, Northamptonshire, but in 1790 he was presented by the Earl Bathurst to the vicarage of Potterspury in Northamptonshire. He was elected a Fellow of the Royal Society in 1796, and in 1800 took the degree of BD at Trinity College, Cambridge.

Hellins at one time computed the Nautical Almanac. He later assisted at Greenwich and, furnished William Windham with calculations and tables on which to base his new military system, as Minister of War, in 1806.

Hellins applied himself also branches of pure mathematics. Nine communications from him appeared in the Philosophical Transactions:

And in 1798,

For the last he was honoured with the Copley Medal.

Mr. Hellins also occasionally furnished Mathematical articles to the British Critic,[9] from the year 1795 to 1814. They included:

When the first series of the British Critic closed,[12] the connection with Hellins with the work is supposed to have ceased.

Hellins retired to a small living in Northamptonshire. He married Miss Brock, a Devonshire lady, who survived him but a short time, and by whom he left an only son.


He died in Potterspury 5 April 1827, leaving one son by his wife Anne.[3] In the North Aisle of the parish church of St. Nicholas is a small tablet of white marble, inscribed:


In Memory of The REVD. JOHN HELLINS, B.D. & F.R.S./ upwards of 36 years Vicar of this parish, who died April 5th 1827/ aged 78 years./ of ANNE HELLINS his widow, who died June 3rd 1827. Aged 72.[13][14]


  1. John Hellins, 1829–87, clergyman and entomologist: Darwin correspondence project database, which lists this Hellins as one of Charles Darwin's correspondents. It is not known whether the two John Hellinses were related.
  2. The transcribed Burial Records of Potterspury, at , show his age at death as 78.
  3. 1 2 3 4 R. E. Anderson, ‘Hellins, John (d. 1827)’, rev. Adrian Rice, Oxford Dictionary of National Biography, Oxford University Press, 2004; online edn, May 2008, accessed 13 December 2009
  4. . An early scientific paper was: "Theorems for Computing Logarithms." By the Rev. John Hellins; Communicated by the Rev. Nevil Maskelyne, D. D., F. R. S. and Astronomer Royal,in Philosophical Transactions Series I,(1780), volume 70, pages 307–317 [Referred to by Smithsonian/NASA ADS Astronomy Abstract Service.
  5. "Hellins, John (HLNS789J)". A Cambridge Alumni Database. University of Cambridge.
  6. The school website includes a portrait of John Hellins:John Hellins Primary School at > About us > Reverend John Hellins
  7. A digitised scan of the Analytical Institutions is available at Google Books. Hellins signs the Editor's Advertisement 29 September 1801, Potter's-Pury.
  8. The Gentleman's Magazine 1828, Volume 98 (New series No. 21) page 181 (Obituary section).
  9. The British Critic: A conservative review journal, launched in 1793. See ODNB article: ‘Beloe, William (1758–1817)’
  10. William Wales: see ODNB article: ‘Wales, William (bap. 1734, d. 1798)’.
  11. Thomas Keith see ODNB article 'Keith, Thomas (bap. 1759, d. 1824)'
  12. The first series of the British Critic closed in 1813.
  13. Potterspury village website.
  14. Photograph of his grave

Further reading

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