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Frank Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Polk-County, Oregon
Our Model Tree links this Frank Brown across the 1920, 1930 and 1940 US Censuses in Polk-County, Oregon (XGBoost, ~Confirmed), with identified parents Edwin & Edwin — first a head (b.~1910), then head of a 3-person household.
Age 30
b. ~1910
Male
Head
Born: Oregon
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Oregon |
| Surname | Brown |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Oregon |
| 1935 Residence (City) | Falls City Town |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Occupation | mechanic |
| Industry | father's garage |
| Class of Worker | PW |
| Hours Worked | 84 |
| Income (1939) | 332 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Occupation | Mechanic |
| Township / Ward | Falls City Town |
| Est. Birth Year | ~1910 |
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 Frank | Age | Birth yr |
|---|---|---|---|---|
| Frank Brown | Head | — | 30 | ~1910 |
| James Brown | Son | — | 5 | ~1935 |
| Eulah Brown | Spouse | — | 26 | ~1914 |
Census Appearances
1920
Polk, Oregon
Son, age 10
Polk, Oregon · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Frank C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Michigan |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1930
Polk, Oregon
Son, age 20
Polk, Oregon · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Frank B |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
Polk-County, Oregon
Head, age 30
Polk-County, Oregon · implied b. ~1910 — 3 household members
| Surname | Brown |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Oregon |
| 1935 Residence (City) | Falls City Town |
| 1935 Residence (County) | Polk |
| Occupation | mechanic |
| Industry | father's garage |
| Class of Worker | PW |
| Hours Worked | 84 |
| Income (1939) | 332 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
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 Frank Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edwin Brown (~0.92 confidence) and father Edwin Brown (~0.92 confidence) and mother Maude Brown (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edwin Brown
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Edwin Brown
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Maude Brown
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank Brown
Head · 1940 · age 30 · b. ~1910 · Oregon
★ 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 — Polk-County, Oregon
Open full size
1940 US Federal Census — Polk-County, Oregon
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03378-00215)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Rose Hunter | 33 | Wife | Laundress | California |
| 42 | Janice Hunter | 10 | Daughter | — | Oregon |
| 43 | Barbara Hunter | 8 | Daughter | — | Oregon |
| 44 | James Hunter | 7 | Son | — | Oregon |
| 45 | Joseph M. Doty | 68 | Head | — | Missouri |
| 46 | Ida Doty | 70 | Wife | — | California |
| 47 | Clarence Doty | 12 | Grandson | — | Oregon |
| 48 | William Teel | 58 | Head | Sawyer | Oregon |
| 49 | Belle Teel | 54 | Wife | — | Oregon |
| 50 | Eva Belle Teel | 19 | Daughter | Housework | Oregon |
| 51 | Irma Teel | 16 | Daughter | Housework | Oregon |
| 52 | Viola Teel | 14 | Daughter | — | Oregon |
| 53 | Harley Willet | 31 | Boarder | Fireman | Oregon |
| 54 | Earl Simon | 36 | Head | Lumberjack | Ohio |
| 55 | Laura B. Simon | 31 | Wife | — | Wyoming |
| 56 | Elvin Simon | 6 | Son | — | Wyoming |
| 57 | George C. Domkecker | 47 | Head | Locomotive Fireman | Oregon |
| 58 | Georgia Domkecker | 45 | Wife | — | Missouri |
| 59 | Curtis Domkecker | 19 | Son | New Worker | Oregon |
| 60 | Fred Domkecker | 16 | Son | — | Oregon |
| 61 | Mary Domkecker | 9 | Daughter | — | Oregon |
| 62 | Martha S. Worthington | 72 | Head | — | Wisconsin |
| 63 | Jessie M. Treat | 63 | Head | Cook | Michigan |
| 64 | Addy N. Beckley | 60 | Head | — | Michigan |
| 65 | Edwin P. Brown | 58 | Head | Mechanic | Missouri |
| 66 | Maud C. Brown | 55 | Wife | Bookkeeper | Michigan |
| 67 | Frank Brown THIS PERSON | 30 | Head | Mechanic | Oregon |
| 68 | Eulah Brown | 26 | Wife | — | Colorado |
| 69 | James Brown | 5 | Son | — | Oregon |
| 70 | James Taylor | 52 | Head | Blacksmith Machinist | Oregon |
| 71 | Edith Taylor | 49 | Wife | — | Oregon |
| 72 | Theodora R. Taylor | 17 | Daughter | — | Oregon |
| 73 | Edith I. Taylor | 10 | Daughter | — | Oregon |
| 74 | Arthur D. Robertson | 36 | Head | School Superintendent | Oregon |
| 75 | Helen G. Robertson | 34 | Wife | English Teacher | Kansas |
| 76 | Robert R. Robertson | 7 | Son | — | Washington |
| 77 | George A. Robertson | 4 | Son | — | Washington |
| 78 | Leonard Westbrook | 58 | Head | Farm Operator | Minnesota |
| 79 | Nell Westbrook | 58 | Wife | Telephone Operator | Oregon |
| 80 | Iris Westbrook | 10 | Daughter | — | Oregon |
Pedigree Summary
Frank
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)