GJ
Grace Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Kings-County, New York
Our Model Tree links this Grace Johnson across the 1920, 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed), with identified parents Otto & Otto — first a daughter (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Female
Daughter
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | Johnson |
| Given Name | Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City, Brooklyn |
| 1935 Residence (County) | Kings |
| Additional Details | |
| Occupation | Calculator |
| Class of Worker | PW |
| Hours Worked | 41 |
| Income (1939) | 797 |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Calculator |
| Township / Ward | New York City Brooklyn |
| Est. Birth Year | ~1918 |
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 Grace | Age | Birth yr |
|---|---|---|---|---|
| Marie Johnson | Daughter | — | 20 | ~1920 |
| Grace Johnson | Daughter | — | 22 | ~1918 |
| Ruth Johnson | Daughter | — | 12 | ~1928 |
| Edward Johnson | Head | — | 44 | ~1896 |
| Robert Johnson | Son | — | 14 | ~1926 |
Census Appearances
1920
Kings, New …
Daughter, age 1
Kings, New York · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Kings, New …
Daughter, age 11
Kings, New York · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnsen |
| Given Name | Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Kings-County, New …
Daughter, age 22
Kings-County, New York · implied b. ~1918 — 5 household members
| Surname | Johnson |
| Given Name | Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City, Brooklyn |
| 1935 Residence (County) | Kings |
| Occupation | Calculator |
| Class of Worker | PW |
| Hours Worked | 41 |
| Income (1939) | 797 |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Grace Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Otto Johnson (~0.92 confidence) and father Otto Johnsen (~0.92 confidence) and mother Aagot Johnsen (~0.92 confidence) and father Edward Johnson (~0.92 confidence) and mother Ragt Johnson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Otto Johnson
b. ~1890
Source father
● Household
· direct · ~0.92
Father
Otto Johnsen
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Aagot Johnsen
b. ~1895
Source mother
● Household
· direct · ~0.92
Father
Edward Johnson
b. ~1896
Source father
● Household
· direct · ~0.92
Mother
Ragt Johnson
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Grace Johnson
Daughter · 1940 · age 22 · b. ~1918 · New York
★ You are viewing this record
Sibling
Ruth Johnson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Johnson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Johnson
Sibling · 1940 · age 14
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 — Kings-County, New York
Open full size
1940 US Federal Census — Kings-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02613-00031)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Victor Janoska | 41 | Head | Unemp | Turkey |
| 2 | Mary Janoska | 33 | Wife | — | Turkey |
| 3 | Florence Janoska | 16 | Daughter | — | Turkey |
| 4 | Mehran Janoska | 76 | Father | — | Turkey |
| 5 | Edward Johnson | 44 | Head | — | New York |
| 6 | Ruth Johnson | 12 | Daughter | — | New York |
| 7 | Robert Johnson | 14 | Son | — | New York |
| 8 | Marie Johnson | 20 | Daughter | Bookkeeper | New York |
| 9 | Grace Johnson THIS PERSON | 22 | Daughter | Calculator | New York |
| 10 | Theodore Karis | 43 | Head | Waiter | New York |
| 11 | Lillian Karis | 46 | Wife | Waitress | New York |
| 12 | John Gools | 43 | Roomer | Waitress | Greece |
| 13 | Patsy Gools | 37 | Roomer | Waiter | Greece |
| 14 | George Svolos | 30 | Head | Waiter | New York |
| 15 | Helen Svolos | 30 | Wife | — | New York |
| 16 | Georgia Svolos | 1 | Daughter | — | New York |
| 17 | Rose Waltovich | 23 | Roomer | Waiter | Greece |
| 18 | Thomas Johnson | 45 | Roomer | Waiter | New York |
| 19 | Harry Veratis | 45 | Roomer | Waiter | Greece |
| 20 | Henry Junghans | 43 | Head | Housewife | New York |
| 21 | Louis Riso | 36 | Roomer | Janitor | Italy |
| 22 | Robert Roschmide | 64 | Roomer | Clerk | New York |
| 23 | Henry Jeschunda | 58 | Roomer | Clerk | New York |
| 24 | Ann Sullivan | 63 | Roomer | — | New York |
| 25 | H. Perings | 50 | Roomer | — | New York |
| 26 | Gertrude Herrick | 46 | Head | — | New York |
| 27 | Sandra Strocheda | 46 | Roomer | — | New York |
| 28 | Grace Lynch | 26 | Roomer | — | New York |
| 29 | Thomas Manzi | 28 | Head | Butcher | New York |
| 30 | Doris Manzi | 26 | Wife | — | New York |
| 31 | Elizabeth Pritt | 62 | Roomer | Inspector | New York |
| 32 | George Friedman | 53 | Head | Police Dept | New York |
| 33 | Grace Friedman | 44 | Wife | — | New York |
| 34 | Martin Bingham | 45 | Head | Painter | Sweden |
| 35 | Grace Bingham | 50 | Wife | — | Ireland |
| 36 | Janette Fraser | 57 | Head | — | New York |
| 37 | Robert Fraser | 52 | Son | Motorman | New York |
| 38 | James Adams | 29 | Head | Bookkeeper | New York |
| 39 | Susan Adams | 27 | Wife | — | New York |
| 40 | Elizabeth Mcdonough | 45 | Roomer | — | New York |
Pedigree Summary
Grace + 3 siblings
Gen 1 · 5 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)