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Jacob Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hunterdon-County, New Jersey
Our Model Tree links this Jacob Johnson across the 1910, 1920, 1930 and 1940 US Censuses in Hunterdon-County, New Jersey (XGBoost, ~Confirmed) — first a head (b.~1869), then head of a 4-person household.
Age 71
b. ~1869
Male
Head
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hunterdon-County, New Jersey |
| Surname | Johnson |
| Given Name | Jacob S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 71 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Readington Twp. |
| 1935 Residence (County) | Hunterdon |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Readington Twp |
| Est. Birth Year | ~1869 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Jacob | Age | Birth yr |
|---|---|---|---|---|
| Kenneth Johnson | Son | — | 23 | ~1917 |
| Rachel Johnson | Spouse | — | 63 | ~1877 |
| Jacob Johnson | Head | — | 71 | ~1869 |
| Paul Johnson | Son | — | 31 | ~1909 |
Census Appearances
1910
Hunterdon, New …
Head, age 40
Hunterdon, New Jersey · implied b. ~1870 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Jacob S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Years Married | 14 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Laborer |
| Industry | Odd jobs |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1920
Hunterdon, New …
Head, age 51
Hunterdon, New Jersey · implied b. ~1869 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Jacob S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Farm laborer |
| Industry | Working out |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Hunterdon, New …
Head, age 61
Hunterdon, New Jersey · implied b. ~1869 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Jacob |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Naturalization Status | Naturalized |
| Age at First Marriage | 21 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Laborer |
| Industry | General Farming |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Hunterdon-County, New …
Head, age 71
Hunterdon-County, New Jersey · implied b. ~1869 — 4 household members
| Surname | Johnson |
| Given Name | Jacob S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 71 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Readington Twp. |
| 1935 Residence (County) | Hunterdon |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Jacob Johnson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Jacob Johnson
Head · 1940 · age 71 · b. ~1869 · New Jersey
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Hunterdon-County, New Jersey
Open full size
1940 US Federal Census — Hunterdon-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02355-00916)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Alfred L. Pruitt | 63 | Head | Farmer | New Jersey |
| 42 | Adelia M. Pruitt | 63 | Wife | — | New Jersey |
| 43 | James Cronce | 14 | Hired hand | — | New Jersey |
| 44 | William Amerman | 46 | Head | Farmer | New Jersey |
| 45 | Agnes S. Amerman | 42 | Wife | — | New Jersey |
| 46 | David L. Amerman | 16 | Son | — | New Jersey |
| 47 | Ruth L. Amerman | 6 | Daughter | — | New Jersey |
| 48 | Mary L. Amerman | 71 | Mother | — | New Jersey |
| 49 | Lewis D. Cole | 76 | Head | Post Mistress | Mass. |
| 50 | Lewis R. Cole | 53 | Brother | — | New Jersey |
| 51 | George Barton | 40 | Head | Store Keep. | England |
| 52 | Minnie E. Barton | 36 | Wife | — | New Jersey |
| 53 | Frank Gramitella | 36 | Head | Truck Driver | New Jersey |
| 54 | Edith Gramitella | 31 | Wife | — | New Jersey |
| 55 | Alfred P. Philips | 31 | Head | State Officer | Conn. |
| 56 | Clara Philips | 30 | Wife | — | New Jersey |
| 57 | Victor Frederick Philips | 2 | Son | — | New Jersey |
| 58 | Jacob S. Johnson THIS PERSON | 71 | Head | — | New Jersey |
| 59 | Rachel Johnson | 63 | Wife | — | New Jersey |
| 60 | Paul Johnson | 31 | Son | Truck Driver | New Jersey |
| 61 | Kenneth Johnson | 23 | Son | Handy Man | New Jersey |
| 62 | Chester Wall | 24 | Head | Radio Repairer | New Jersey |
| 63 | Dolores Wall | 21 | Wife | — | New Jersey |
| 64 | Kerry Wall | 2 | Son | — | New Jersey |
| 65 | Frederick Schomp | 31 | Head | Manager | New Jersey |
| 66 | Eloise Schomp | 32 | Wife | — | New Jersey |
| 67 | Anne E. Schomp | 7 | Daughter | — | New Jersey |
| 68 | Lila Schomp | 62 | Mother | — | New Jersey |
| 69 | Painter, John V. Know | 68 | Head | Farmer | New Jersey |
| 70 | Carrie C. Know | 64 | Wife | — | New Jersey |
| 71 | Edward Snyder | 50 | Head | Farmer | New Jersey |
| 72 | Mary Snyder | 51 | Wife | — | New York |
| 73 | Edward S. Jr. Snyder | 17 | Son | Farmer | New Jersey |
| 74 | Lena Schwenk | 80 | Mother-in-law | Poultry Farmer | New Jersey |
| 75 | Samuel Denbigh | 73 | Head | Farmer | New Jersey |
| 76 | Marie S. Denbigh | 40 | Wife | — | New Jersey |
| 77 | Robert Denbigh | 2 | Son | — | New Jersey |
| 78 | John Dilts | 20 | Hired hand | Hired Hand | New Jersey |
| 79 | Francis Dalrymple | 20 | Hired hand | Hired Hand | New Jersey |
| 80 | Louis Zabriskie | 77 | Head | Farmer | Russia |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)