RJ
Ruth Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Camden-County, New Jersey
Our Model Tree links this Ruth Johnson across the 1920, 1930 and 1940 US Censuses in Camden-County, New Jersey (XGBoost, ~Confirmed), with identified parents Daniel & Anna — first a daughter (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Female
Daughter
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Camden-County, New Jersey |
| Surname | Johnson |
| Given Name | Ruth E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Berlin Township |
| 1935 Residence (County) | Camden |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Berlin Township |
| Est. Birth Year | ~1917 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Ruth Johnson | Daughter | — | 23 | ~1917 |
| Daniel Grimmie | Head | — | 45 | ~1895 |
| Elizabeth Clark | Other | — | 19 | ~1921 |
| Robert Grimmie | Son | — | 20 | ~1920 |
| Anna Grimmie | Spouse | — | 44 | ~1896 |
Census Appearances
1920
Camden, New …
Daughter, age 3
Camden, New Jersey · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ruth G. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Camden, New …
Daughter, age 13
Camden, New Jersey · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ruth E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | New Jersey |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Camden-County, New …
Daughter, age 23
Camden-County, New Jersey · implied b. ~1917 — 5 household members
| Surname | Johnson |
| Given Name | Ruth E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Berlin Township |
| 1935 Residence (County) | Camden |
| Class of Worker | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| 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 Ruth Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Daniel Grimmie (~0.92 confidence) and mother Anna Grimmie (~0.92 confidence) and father Frederick Johnson (~0.92 confidence) and father Frederick Johnson (~0.92 confidence) and mother Sarah Johnson (~0.92 confidence) and mother Ida Johnson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Daniel Grimmie
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Anna Grimmie
b. ~1896
Source mother
● Household
· direct · ~0.92
Father
Frederick Johnson
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Frederick Johnson
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Sarah Johnson
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Ida Johnson
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Johnson
Daughter · 1940 · age 23 · b. ~1917 · New Jersey
★ You are viewing this record
Sibling
Robert Grimmie
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Camden-County, New Jersey
Open full size
1940 US Federal Census — Camden-County, New Jersey
Page Contents
25 people indexed on this census page (nara:1940:m-t0627-02320-00443)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George S. Bates | 56 | Head | Bank Clerk | Pennsylvania |
| 2 | Helen Bates | 54 | Wife | — | Pennsylvania |
| 3 | George S. Jr. Bates | 27 | Son | Truck Driver | Pennsylvania |
| 4 | Mary E. Bates | 18 | Daughter | — | New Jersey |
| 5 | Charles Snowden | 56 | Head | Watchman | Maryland |
| 6 | Bertha Snowden | 60 | Wife | — | Pennsylvania |
| 7 | Isaac Cook | 14 | Grandson | — | Pennsylvania |
| 8 | Sarah Cook | 37 | Daughter | Concrete Worker | Pennsylvania |
| 9 | Joseph Yarbrough | 27 | Nephew | Company Clerk | Pennsylvania |
| 10 | Edwin R. Jr. Harrison | 22 | Step-son | — | Pennsylvania |
| 11 | Fannie Worthington | 28 | Wife | — | New Jersey |
| 12 | Audrey Worthington | 10 | Daughter | — | New Jersey |
| 13 | Franklin Worthington | 9 | Son | — | New Jersey |
| 14 | Dolores Worthington | 7 | Daughter | — | New Jersey |
| 15 | Joan Worthington | 4 | Daughter | — | New Jersey |
| 16 | Margaret Worthington | 0 | Daughter | — | New Jersey |
| 17 | Michael Weissman | 57 | Head | Foreman | Germany |
| 18 | Gladys Weissman | 47 | Wife | — | Germany |
| 19 | Frederick Weissman | 17 | Son | — | New Jersey |
| 20 | William Weissman | 12 | Son | — | New Jersey |
| 21 | Daniel Grimmie | 45 | Head | Foreman | Pennsylvania |
| 22 | Anna Grimmie | 44 | Wife | — | Pennsylvania |
| 23 | Robert Grimmie | 20 | Son | Cleaner | New Jersey |
| 24 | Ruth E. Johnson THIS PERSON | 23 | Daughter | — | New Jersey |
| 25 | Elizabeth Clark | 19 | Daughter-in-law | — | Pennsylvania |
Pedigree Summary
Ruth + 1 sibling
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
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)