AB
Alma Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Alma Brown across the 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed) — first a spouse (b.~1907), then head of a 7-person household.
Age 33
b. ~1907
Female
Spouse
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Brown |
| Given Name | Alma O. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Decatur Twp |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | H |
| Class of Worker | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | H |
| Township / Ward | Decatur Twp |
| Est. Birth Year | ~1907 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Alma | Age | Birth yr |
|---|---|---|---|---|
| Robert Brown | Son | — | 13 | ~1927 |
| Alma Brown | Spouse | — | 33 | ~1907 |
| Lucille Brown | Daughter | — | 9 | ~1931 |
| Mitchell Brown | Son | — | 3 | ~1937 |
| Robert Brown | Head | — | 38 | ~1902 |
| Nancy Brown | Daughter | — | 12 | ~1928 |
| Vera Brown | Daughter | — | 11 | ~1929 |
Census Appearances
1930
Marion, Indiana
Other, age 22
Marion, Indiana · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Alma |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 18 |
| Father's Birthplace | United States |
| Mother's Birthplace | United States |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Spouse, age 33
Marion-County, Indiana · implied b. ~1907 — 7 household members
| Surname | Brown |
| Given Name | Alma O. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Decatur Twp |
| 1935 Residence (County) | Marion |
| Occupation | H |
| Class of Worker | 0 |
| Highest Grade | No 6 |
| 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 Alma Brown across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Alma Brown
Spouse · 1940 · age 33 · b. ~1907 · 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-t0627-01075-00273)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna G. Toms | 32 | Wife | H | Kentucky |
| 2 | Charles G. Toms | 13 | Son | — | Indiana |
| 3 | Wanda G. Toms | 11 | Daughter | — | Indiana |
| 4 | Alta R. Toms | 9 | Daughter | — | Indiana |
| 5 | Paul E. Toms | 8 | Son | — | Indiana |
| 6 | William Crimson | 71 | Father-in-law | U | Indiana |
| 7 | Robert P. Brown | 38 | Head | Foreman | Indiana |
| 8 | Alma O. Brown THIS PERSON | 33 | Wife | H | Indiana |
| 9 | Robert P. Jr. Brown | 13 | Son | — | Indiana |
| 10 | Nancy S. Brown | 12 | Daughter | — | Indiana |
| 11 | Vera R. Brown | 11 | Daughter | — | Indiana |
| 12 | Lucille O. Brown | 9 | Daughter | — | Indiana |
| 13 | Mitchell R. Brown | 3 | Son | — | Indiana |
| 14 | Percy P. Manning | 30 | Head | Blacksmith | Indiana |
| 15 | Ruth D. Manning | 30 | Wife | H | Indiana |
| 16 | Ralph L. Manning | 9 | Son | — | Indiana |
| 17 | Mary E. Manning | 8 | Daughter | — | Indiana |
| 18 | Ross L. Manning | 6 | Son | — | Indiana |
| 19 | Alice P. Manning | 4 | Daughter | — | Indiana |
| 20 | Guy Sorg | 52 | Head | Laborer | Indiana |
| 21 | Mary W. Sorg | 45 | Wife | H | Indiana |
| 22 | Benjamin J. Botkins | 60 | Head | U | Indiana |
| 23 | Charles W. Butcher | 40 | Head | Laborer | Indiana |
| 24 | Edith G. Butcher | 37 | Wife | H | Kentucky |
| 25 | Lawrence J. Butcher | 18 | Son | U | Illinois |
| 26 | Fern L. Butcher | 15 | Daughter | S | Indiana |
| 27 | Clara B. Butcher | 14 | Daughter | S | Indiana |
| 28 | Catherine M. Butcher | 12 | Daughter | S | Indiana |
| 29 | Rose L. Butcher | 10 | Daughter | — | Illinois |
| 30 | Charles W. Butcher | 8 | Son | — | Illinois |
| 31 | Bernard J. Butcher | 6 | Son | — | Illinois |
| 32 | Alice J. Butcher | 4 | Daughter | — | Illinois |
| 33 | Lawrence Johnson | 39 | Head | Bundler | Kentucky |
| 34 | Florence H. Johnson | 37 | Wife | H | Kentucky |
| 35 | Juanita M. Johnson | 12 | Daughter | S | Kentucky |
| 36 | Lawrence Jr. Johnson | 10 | Son | — | Kentucky |
| 37 | Phillip R. Johnson | 3 | Son | — | Indiana |
| 38 | Robert J. Johnson | 67 | Father | U | Kentucky |
| 39 | Carl C. White | 36 | Head | Laborer | Indiana |
| 40 | Sarah M. White | 34 | Wife | H | Indiana |
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)