| Entry Type | Person |
| Surname | Alleyne |
| Forenames | John Gay Newton |
| Pre Title | Sir |
| Title | 3rd baronet |
| Epithet | Of Hazelwood; engineer and inventor; manager of Butterley Ironworks 1852-1880. |
| Dates | 1820-1912 |
| Authorised Form of Name | Alleyne; Sir; John Gay Newton (1820-1912); 3rd baronet; Of Hazelwood; engineer and inventor; manager of Butterley Ironworks 1852-1880. |
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