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Jerry Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Powder-River-County, Montana
Our Model Tree links this Jerry Brown across the 1930 and 1940 US Censuses in Powder-River-County, Montana (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 5-person household.
Age 18
b. ~1922
Male
Son
Born: Montana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Powder-River-County, Montana |
| Surname | Brown |
| Given Name | Jerry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Montana |
| 1935 Residence (City) | School District No. 3 |
| 1935 Residence (County) | Powder River |
| Additional Details | |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
| Township / Ward | School District No 3 |
| Est. Birth Year | ~1922 |
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 Jerry | Age | Birth yr |
|---|---|---|---|---|
| Lena Brown | Spouse | — | 44 | ~1896 |
| Jerry Brown | Son | — | 18 | ~1922 |
| Juanita Chapman | Other | — | 4 | ~1936 |
| June Brown | Daughter | — | 21 | ~1919 |
| Henry Brown | Head | — | 55 | ~1885 |
Census Appearances
1930
Powder River, …
Son, age 8
Powder River, Montana · implied b. ~1922 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Jerry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | South Dakota |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1940
Powder-River-County, Montana
Son, age 18
Powder-River-County, Montana · implied b. ~1922 — 5 household members
| Surname | Brown |
| Given Name | Jerry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Montana |
| 1935 Residence (City) | School District No. 3 |
| 1935 Residence (County) | Powder River |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
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 Jerry Brown across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Jerry Brown
Son · 1940 · age 18 · b. ~1922 · Montana
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Sibling
June Brown
Sibling · 1940 · age 21
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 — Powder-River-County, Montana
Open full size
1940 US Federal Census — Powder-River-County, Montana
Page Contents
27 people indexed on this census page (nara:1940:m-t0627-02227-00267)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Phinney S. Richardson | 73 | Head | Farmer | Illinois |
| 2 | Nettie G. Richardson | 60 | Wife | — | Minnesota |
| 3 | Harold H. Richardson | 30 | Son | Farmer | Montana |
| 4 | Kathleen Richardson | 26 | Daughter | School Teacher | Montana |
| 5 | Jack Richardson | 18 | Head | Hired Man | Montana |
| 6 | William Richardson | 61 | Head | Farmer | Illinois |
| 7 | Theros Markos | 54 | Head | Farmer | Greece |
| 8 | Gladys Markos | 23 | Wife | — | Wisconsin |
| 9 | Charles Markos | 4 | Son | — | Montana |
| 10 | Albin Junior | 37 | Head | Farmer | Texas |
| 11 | Mary Junior | 29 | Wife | — | Montana |
| 12 | Robert Ray Junior | 12 | Son | — | Montana |
| 13 | Henry A. Brown | 55 | Head | Farmer | Montana |
| 14 | Lena G. Brown | 44 | Wife | — | Iowa |
| 15 | June Brown | 21 | Daughter | — | Montana |
| 16 | Jerry Brown THIS PERSON | 18 | Son | — | Montana |
| 17 | Juanita Chapman | 4 | Adopted | — | Montana |
| 18 | Ben Junior | 24 | Head | Farmer | Texas |
| 19 | Dorothy Junior | 20 | Wife | — | Washington |
| 20 | Arthur J. Junior | 65 | Head | — | Australia |
| 21 | Clara Junior | 62 | Wife | — | Iowa |
| 22 | Arthur Allison | 64 | Head | Farmer | Indiana |
| 23 | Anna B. Allison | 36 | Wife | — | Missouri |
| 24 | Edith Gentry | 13 | Daughter | — | Colorado |
| 25 | Mary Ellen Gentry | 11 | Daughter | — | Wyoming |
| 26 | Francis Osgood | 35 | Head | Farmer | Texas |
| 27 | Velma E. Osgood | 32 | Wife | — | Montana |
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)