SJ
Sophia Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Monmouth-County, New Jersey
Our Model Tree links this Sophia Johnson across the 1920, 1930 and 1940 US Censuses in Monmouth-County, New Jersey (XGBoost, ~Confirmed) — first a spouse (b.~1892), then head of a 3-person household.
Age 48
b. ~1892
Female
Spouse
Born: Norway
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Monmouth-County, New Jersey |
| Surname | Johnson |
| Given Name | Sophia |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Norway |
| 1935 Residence (City) | Highland |
| 1935 Residence (County) | Monmouth |
| Naturalization Status | First papers filed |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
| Township / Ward | Highland |
| Est. Birth Year | ~1892 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Sophia | Age | Birth yr |
|---|---|---|---|---|
| Julius Johnson | Head | — | 53 | ~1887 |
| Arthur Johnson | Son | — | 21 | ~1919 |
| Sophia Johnson | Spouse | — | 48 | ~1892 |
Census Appearances
1920
Monmouth, New …
Spouse, age 25
Monmouth, New Jersey · implied b. ~1895 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Sophia |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Norway |
| Year of Immigration | 1905 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Birth Country | Norway |
| Year of Naturalization | 1913 |
| Birthplace (normalized) | norway |
1930
Monmouth, New …
Spouse, age 37
Monmouth, New Jersey · implied b. ~1893 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Sophie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Norway |
| Age at First Marriage | 20 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Yes |
| Can Read/Write | Yes |
| Mother Tongue | Norwegian |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1940
Monmouth-County, New …
Spouse, age 48
Monmouth-County, New Jersey · implied b. ~1892 — 3 household members
| Surname | Johnson |
| Given Name | Sophia |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Norway |
| 1935 Residence (City) | Highland |
| 1935 Residence (County) | Monmouth |
| Naturalization Status | First papers filed |
| Class of Worker | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
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 Sophia Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Sophia Johnson
Spouse · 1940 · age 48 · b. ~1892 · New Jersey
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Monmouth-County, New Jersey
Open full size
1940 US Federal Census — Monmouth-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02366-00433)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frank W. Horner | 14 | Son | — | New Jersey |
| 42 | Douglas Horner | 11 | Son | — | New Jersey |
| 43 | Ronald Horner | 9 | Son | — | New Jersey |
| 44 | Mary L. Horner | 80 | Mother-in-law | — | New York |
| 45 | C. Melvin Johnson | 46 | Head | Postmaster | New Jersey |
| 46 | Dorothea Johnson | 42 | Wife | — | New York |
| 47 | Grandin Johnson | 16 | Son | — | New Jersey |
| 48 | Henry Grant | 39 | Head | Laborer | New York |
| 49 | Margaret Grant | 29 | Wife | Operator | New Jersey |
| 50 | Charles J. Greenfield | 54 | Head | Sales-Manager | New York |
| 51 | Maude Greenfield | 42 | Wife | — | New Jersey |
| 52 | Carl Greenfield | 23 | Son | Writer | New Jersey |
| 53 | Evelyn M. Greenfield | 17 | Daughter | — | New Jersey |
| 54 | Ethel M. Johnson | 53 | Head | — | New Jersey |
| 55 | William Johnson | 47 | Brother | Bartender | New Jersey |
| 56 | James Stillwell | 50 | Lodger | Maintainer | New Jersey |
| 57 | George L. Jr. Fountain | 36 | Head | Carpenter | New York |
| 58 | Mildred Fountain | 36 | Wife | — | New Jersey |
| 59 | George L. Iii Fountain | 7 | Son | — | New Jersey |
| 60 | Madeline Fountain | 4 | Daughter | — | New Jersey |
| 61 | Aurora Fountain | 63 | Head | — | Norway |
| 62 | George Ringel | 52 | Head | Steel Hardener | Bohemia |
| 63 | Lillian Ringel | 47 | Wife | — | New Jersey |
| 64 | Veronica Ringel | 15 | Daughter | — | New Jersey |
| 65 | Andrew Osterman | 75 | Father-in-law | — | Russia |
| 66 | Margaret Osterman | 71 | Mother-in-law | — | Germany |
| 67 | Gothard Radenbush | 31 | Head | Proprietor | New York |
| 68 | Mary Rose Radenbush | 32 | Wife | — | New Jersey |
| 69 | Harry Thorgersen | 35 | Head | — | New York |
| 70 | Emma Thorgersen | 25 | Wife | — | New York |
| 71 | Mahlon Bundy | 61 | Head | Waterman | New Jersey |
| 72 | Mary A. Bundy | 57 | Sister | — | New Jersey |
| 73 | Phineas Bundy | 55 | Brother | Waterman | New Jersey |
| 74 | Julius Johnson | 53 | Head | Dock Builder | Norway |
| 75 | Sophia Johnson THIS PERSON | 48 | Wife | — | Norway |
| 76 | Arthur Johnson | 21 | Son | New Worker | New Jersey |
| 77 | Otto H. Petz | 65 | Head | Proprietor | New York |
| 78 | Elizabeth Petz | 47 | Wife | — | New York |
| 79 | George Potts | 47 | Head | Chief | New York |
| 80 | Sarah Potts | 30 | Wife | — | Pennsylvania |
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)