MJ
Margaret Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Margaret Johnson across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed), with identified parents Frederick & Frederick — first a daughter (b.~1920), then head of a 3-person household.
Age 20
b. ~1920
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Johnson |
| Given Name | Margaret E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Radio Tube Factory worker |
| Industry | RCA Radio Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Radio Tube Factory Worker |
| Township / Ward | Indianapolis |
| Est. Birth Year | ~1920 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Johnson | Daughter | — | 20 | ~1920 |
| Walter Turner | Other | — | 35 | ~1905 |
| Anna Johnson | Spouse | — | 38 | ~1902 |
Census Appearances
1920
Marion, Indiana
Daughter, age 1
Marion, Indiana · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Daughter, age 11
Marion, Indiana · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Daughter, age 20
Marion-County, Indiana · implied b. ~1920 — 3 household members
| Surname | Johnson |
| Given Name | Margaret E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Occupation | Radio Tube Factory worker |
| Industry | RCA Radio Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Margaret Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frederick Johnson (~0.92 confidence) and father Frederick Johnson (~0.92 confidence) and mother Anna Johnson (~0.92 confidence) and mother Caroline Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frederick Johnson
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Frederick Johnson
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Anna Johnson
b. ~1902
Source mother
● Household
· direct · ~0.92
Mother
Caroline Johnson
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Johnson
Daughter · 1940 · age 20 · b. ~1920 · Indiana
★ 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 — Marion-County, Indiana
Open full size
1940 US Federal Census — Marion-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01126-00735)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Anna L Johnson | 38 | Wife | — | Indiana |
| 42 | Margaret E Johnson THIS PERSON | 20 | Daughter | Radio Tube Factory Worker | Indiana |
| 43 | Walter D Turner | 35 | Lodger | Truck Driver | Pennsylvania |
| 44 | Mary Meyerholtz | 54 | Head | — | Indiana |
| 45 | Gene Salyers | 19 | Lodger | Apprentice Printer | Indiana |
| 46 | Elizabeth E Griffin | 32 | Head | Seamstress | Kentucky |
| 47 | Ethel G Harland | 51 | Mother | Housekeeper | Kentucky |
| 48 | Wm H Philpott | 51 | Head | Night Watchman | Indiana |
| 49 | Hazel F Philpott | 49 | Wife | Bookbinder | Indiana |
| 50 | Chester W Philpott | 22 | Son | Attendant | Indiana |
| 51 | Maurice A Philpott | 17 | Son | New Worker | Indiana |
| 52 | Claude M Payne | 35 | Head | Windshield Auto Mechanic | Indiana |
| 53 | Mildred E Payne | 28 | Wife | — | Indiana |
| 54 | Jackie M Payne | 5 | Son | — | Indiana |
| 55 | John C Masters | 28 | Head | Truck Driver | Indiana |
| 56 | Catherine Masters | 22 | Wife | — | Kentucky |
| 57 | Barbara J Masters | 4 | Daughter | — | Indiana |
| 58 | Bonnie L Masters | 3 | Daughter | — | Indiana |
| 59 | Ennis R Collins | 52 | Head | Glass Polisher | Indiana |
| 60 | Walter Gulty | 39 | Head | Bricklayer | Indiana |
| 61 | Marie Gulty | 37 | Wife | — | Indiana |
| 62 | Wm Gulty | 15 | Son | — | Indiana |
| 63 | Ruth Gulty | 11 | Daughter | — | Indiana |
| 64 | Wm Ema | 40 | Head | Painter | Indiana |
| 65 | Helen Ema | 27 | Wife | — | Indiana |
| 66 | Wm Jr Ema | 10 | Son | — | Indiana |
| 67 | Dorothy Ema | 8 | Daughter | — | Indiana |
| 68 | Betty Ema | 7 | Daughter | — | Indiana |
| 69 | Floyd M Mccurdy | 51 | Head | Automobile Salesman | Indiana |
| 70 | Isabelle Mccurdy | 42 | Wife | Laborer | Indiana |
| 71 | Floyd Jr Mccurdy | 15 | Son | — | Indiana |
| 72 | Jacqueline Mccurdy | 12 | Daughter | — | Indiana |
| 73 | Marjorie F Mccurdy | 11 | Daughter | — | Indiana |
| 74 | Robert F Mccurdy | 10 | Son | — | Indiana |
| 75 | Billie L Mccurdy | 8 | Son | — | Indiana |
| 76 | Shelah K Mccurdy | 5 | Daughter | — | Indiana |
| 77 | Lula Schlotterer | 54 | Lodger | Restaurant Operator | Kentucky |
| 78 | Ralph Harding | 33 | Head | Laborer | Illinois |
| 79 | Cora M Harding | 23 | Wife | — | Indiana |
| 80 | David R Harding | 5 | Son | — | Indiana |
Pedigree Summary
Margaret
Gen 1 · 4 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)