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Margaret Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Margaret Brown across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed), with identified parents John & John — first a spouse (b.~1918), then head of a 3-person household.
Age 22
b. ~1918
Female
Spouse
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Brown |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | N |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Indianapolis |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Brown | Daughter | — | 1 | ~1939 |
| Clarence Brown | Head | — | 35 | ~1905 |
| Margaret Brown | Spouse | — | 22 | ~1918 |
Census Appearances
1920
Marion, Indiana
Daughter, age 2
Marion, Indiana · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Ohio |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Daughter, age 12
Marion, Indiana · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Margaret J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Spouse, age 22
Marion-County, Indiana · implied b. ~1918 — 3 household members
| Surname | Brown |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | N |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Class of Worker | 0 |
| Highest Grade | H 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 Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Brown (~0.92 confidence) and father John Brown (~0.92 confidence) and mother Jennie Brown (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Brown
b. ~1878
Source father
● Household
· direct · ~0.92
Father
John Brown
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Jennie Brown
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Brown
Spouse · 1940 · age 22 · b. ~1918 · 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-t0627-01130-00048)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary E. Barnes | 15 | Daughter | — | Indiana |
| 42 | David Barnes | 13 | Son | — | Indiana |
| 43 | Robert Barnes | 9 | Son | — | Indiana |
| 44 | Leon Warren | 29 | Head | Driver | Indiana |
| 45 | Esther Warren | 22 | Wife | — | Indiana |
| 46 | Esther Warren | 7 | Daughter | — | Indiana |
| 47 | Norma Warren | 4 | Daughter | — | Indiana |
| 48 | Curtis Warren | 2 | Son | — | Indiana |
| 49 | Ruth Warren | 1 | Daughter | — | Indiana |
| 50 | Forest Polk | 35 | Head | Laborer | Indiana |
| 51 | Dorothy Polk | 25 | Wife | — | Indiana |
| 52 | Henry Keene | 39 | Head | Janitor | Kentucky |
| 53 | Virginia Keene | 34 | Wife | — | Indiana |
| 54 | Virginia Keene | 15 | Daughter | — | Indiana |
| 55 | Elana Keene | 13 | Daughter | — | Indiana |
| 56 | Geraldine Keene | 11 | Daughter | — | Indiana |
| 57 | Cameron Keene | 6 | Son | — | Indiana |
| 58 | Clarence Brown | 35 | Head | Clerk | Kentucky |
| 59 | Margaret Brown THIS PERSON | 22 | Wife | — | Indiana |
| 60 | Dorothy Brown | 1 | Daughter | — | Indiana |
| 61 | Mahoney Bridges | 64 | Head | Porter | Kentucky |
| 62 | Hattie M. Bridges | 59 | Wife | — | Indiana |
| 63 | Francis Goodwin | 53 | Head | Wpa | Indiana |
| 64 | Daisy Goodwin | 54 | Wife | — | Indiana |
| 65 | Winona Allen | 18 | Daughter | File Clerk | Indiana |
| 66 | Richard Allen | 12 | Son | — | Indiana |
| 67 | Here Ends Block 32 And Begins Block 31 | None | — | — | — |
| 68 | Jess Armstrong | 70 | Head | — | Indiana |
| 69 | Nancy Armstrong | 70 | Wife | — | Indiana |
| 70 | Virgil Miller | 45 | Lodger | Wpa | Pennsylvania |
| 71 | Henry Jackson | 38 | Lodger | Wpa | Arkansas |
| 72 | Mattie Porter | 43 | Head | — | Indiana |
| 73 | Levi Evans | 50 | Lodger | Laborer | Indiana |
| 74 | Mary Page | 55 | Head | Laborer | Indiana |
| 75 | Alex Goins | 55 | Head | Porter | Kentucky |
| 76 | Alberta Goins | 52 | Wife | Elevator Oper. | Kentucky |
| 77 | Howard Jenkins | 32 | Head | Driver | Tennessee |
| 78 | Madeline Jenkins | 30 | Wife | — | Indiana |
| 79 | Beatrice Jenkins | 2 | Daughter | — | Indiana |
| 80 | Mary Jenkins | 59 | Head | — | Tennessee |
Pedigree Summary
Margaret
Gen 1 · 3 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)