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Jacob Johnson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Northampton, Pennsylvania
Our Model Tree links this Jacob Johnson across the 1910, 1920 and 1930 US Censuses in Northampton, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1867), then head of a 6-person household.
Age 63
b. ~1867
Male
Head
Born: Pennsylvania
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Northampton, Pennsylvania |
| Surname | Johnson |
| Given Name | Jacob H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 21 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | E |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Radio Set | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Farmer |
| Township / Ward | Bushkill Township |
| Est. Birth Year | ~1867 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Jacob | Age | Birth yr |
|---|---|---|---|---|
| Eva Zerfass | Daughter | — | 4 | ~1926 |
| Richard Zerfass | Other | — | 44 | ~1886 |
| Florence Zerfass | Spouse | — | 38 | ~1892 |
| Mary Johnson | Spouse | — | 63 | ~1867 |
| Ralph Zerfass | Son | — | 14 | ~1916 |
| Jacob Johnson | Head | — | 63 | ~1867 |
Census Appearances
1910
Northampton, Pennsylvania
Head, age 43
Northampton, Pennsylvania · implied b. ~1867 — 3 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 | 43 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Years Married | 12 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farmer |
| Industry | General Farm |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Northampton, Pennsylvania
Head, age 52
Northampton, Pennsylvania · implied b. ~1868 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Jacob |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Northampton, Pennsylvania
Head, age 63
Northampton, Pennsylvania · implied b. ~1867 — 6 household members
| Surname | Johnson |
| Given Name | Jacob H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 21 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | E |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Radio Set | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 3 US Census years (1910, 1920 and 1930) in Northampton, Pennsylvania, using XGBoost record linkage.
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This person
Anchor record
Jacob Johnson
Head · 1930 · age 63 · b. ~1867 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Northampton, Pennsylvania
Open full size
1930 US Federal Census — Northampton, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2087:0065)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jacob H. Johnson THIS PERSON | 63 | Head | Farmer | Pennsylvania |
| 2 | Mary A. Johnson | 63 | Wife | — | Pennsylvania |
| 3 | Richard Zerfass | 44 | Boarder | Servant | Pennsylvania |
| 4 | Florence Zerfass | 38 | Wife | — | Pennsylvania |
| 5 | Ralph J. Zerfass | 14 | Son | — | Pennsylvania |
| 6 | Eva M. Zerfass | 4 | Daughter | — | Pennsylvania |
| 7 | Frank Bok | 47 | Head | Farmer | Austria-Hungary |
| 8 | Agnes Bok | 40 | Wife | — | Austria-Hungary |
| 9 | Anna Bok | 21 | Daughter | Trooper | Pennsylvania |
| 10 | Frank Jr. Bok | 19 | Son | Laborer | Pennsylvania |
| 11 | Agnes Bok | 15 | Daughter | Helper | Pennsylvania |
| 12 | Helen Bok | 13 | Daughter | — | Pennsylvania |
| 13 | George Bok | 11 | Son | — | Pennsylvania |
| 14 | Mary Bok | 9 | Daughter | — | Pennsylvania |
| 15 | Joseph Bok | 7 | Son | — | Pennsylvania |
| 16 | Emma Bok | 6 | Daughter | — | Pennsylvania |
| 17 | Phyllis Bok | 5 | Daughter | — | Pennsylvania |
| 18 | Julia Bok | 3 | Daughter | — | Pennsylvania |
| 19 | Wyscenty Yankowy | 57 | Head | Farmer | Austria-Poland |
| 20 | Julia Yankowy | 52 | Wife | — | Austria-Poland |
| 21 | Adam Yankowy | 13 | Son | — | Pennsylvania |
| 22 | Jennie Yankowy | 11 | Daughter | — | Pennsylvania |
| 23 | Stephen Yankowy | 10 | Son | — | Pennsylvania |
| 24 | Peter Tokarzyk | 38 | Head | Poultry Man | Austria-Poland |
| 25 | Bertha Tokarzyk | 30 | Wife | — | Austria-Poland |
| 26 | Alex Tokarzyk | 11 | Son | — | Pennsylvania |
| 27 | Bertha Tokarzyk | 4 | Daughter | — | Pennsylvania |
| 28 | Louis A. Fogel | 56 | Head | Farmer | Pennsylvania |
| 29 | Annie E. Fogel | 54 | Wife | — | Pennsylvania |
| 30 | Albert E. Fogel | 32 | Son | Laborer | Pennsylvania |
| 31 | Victor J. Fogel | 22 | Son | Laborer | Pennsylvania |
| 32 | Frank P. Fogel | 18 | Son | Laborer | Pennsylvania |
| 33 | Martha J. Fogel | 16 | Daughter | — | Pennsylvania |
| 34 | Albert J. Fogel | 3 | Grandson | — | Pennsylvania |
| 35 | Verna M. Fogel | 2 | Daughter | — | Pennsylvania |
| 36 | Francis Gorman | 46 | Head | Helper | Ireland |
| 37 | Elizabeth Gorman | 47 | Wife | — | Ireland |
| 38 | Clara M. Gorman | 20 | Daughter | — | Ireland |
| 39 | Alice M. Gorman | 16 | Daughter | — | Pennsylvania |
| 40 | Alice Gorman | 14 | Daughter | — | Pennsylvania |
| 41 | Avelan Gorman | 11 | Daughter | — | Pennsylvania |
| 42 | George Edwards | 52 | Head | Packer | Pennsylvania |
| 43 | Hattie Edwards | 38 | Wife | — | Pennsylvania |
| 44 | Charles Kirkpatrick | 14 | Son | — | Pennsylvania |
| 45 | Edwin Kirkpatrick | 13 | Son | — | Pennsylvania |
| 46 | Kathryn Kirkpatrick | 11 | Daughter | — | Pennsylvania |
| 47 | Charlotte Kirkpatrick | 9 | Daughter | — | Pennsylvania |
| 48 | Mary A. Kirkpatrick | 7 | Daughter | — | Pennsylvania |
| 49 | John F. Snyder | 61 | Head | Laborer | Pennsylvania |
| 50 | Mary A. Snyder | 60 | Wife | — | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)