| The Cambridge Explorer | |
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| Surname Prevalence Chart | |
| A: Sorted by Surname | J |
| Occupant Surname | Occurances |
| Jackell | 1 |
| Jackson | 38 |
| Jacob | 11 |
| Jacobs | 10 |
| Jagg | 2 |
| Jaggard | 4 |
| Jaggs | 3 |
| Jakes | 1 |
| Jakins | 1 |
| James | 12 |
| Jameson | 1 |
| January | 1 |
| Jarman | 10 |
| Jarrold | 1 |
| Jarvis | 7 |
| Jasper | 2 |
| Jay | 1 |
| Jeaves | 1 |
| Jebb | 2 |
| Jeeps | 1 |
| Jeeves | 4 |
| Jeffery | 1 |
| Jeffrey | 5 |
| Jefkins | 1 |
| Jenkin | 2 |
| Jenkins | 8 |
| Jenkinson | 4 |
| Jenner | 1 |
| Jennings | 7 |
| Jephson | 1 |
| Jerman | 1 |
| Jerrold | 1 |
| Jessop | 3 |
| Jew | 1 |
| Jiggings | 1 |
| Jiggins | 1 |
| Jillings | 2 |
| Joggins | 1 |
| Johns | 2 |
| Johnson | 56 |
| Johnson & Bowes | 1 |
| Johnston | 2 |
| Jolley | 18 |
| Jolly | 3 |
| Jonas | 2 |
| Jones | 37 |
| Jopson | 2 |
| Jordan | 4 |
| Jose | 2 |
| Joseph | 2 |
| Joyce | 1 |
| Juby | 3 |
| Judd | 1 |
| Jude | 2 |
| Judge | 2 |
| Juffs | 1 |
| Jukes | 1 |
| Juler | 3 |
| Julian | 1 |
| Jull | 2 |
| Jungling | 1 |
| Back | |