HB
Helen Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Washington-County, Iowa
Our Model Tree links this Helen Brown across the 1920, 1930 and 1940 US Censuses in Washington-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1886), then head of a 4-person household.
Age 54
b. ~1886
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Iowa |
| Surname | Brown |
| Given Name | Helen |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Lime Creek Township |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Lime Creek Township |
| Est. Birth Year | ~1886 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Bernice Brown | Daughter | — | 28 | ~1912 |
| Charles Brown | Head | — | 57 | ~1883 |
| Donald Brown | Son | — | 22 | ~1918 |
| Helen Brown | Spouse | — | 54 | ~1886 |
Census Appearances
1920
Washington, Iowa
Spouse, age 34
Washington, Iowa · implied b. ~1886 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Helen |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Bohemia |
| Mother's Birthplace | Bohemia |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Washington, Iowa
Spouse, age 44
Washington, Iowa · implied b. ~1886 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Helen |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 24 |
| Father's Birthplace | Bohemia |
| Mother's Birthplace | Bohemia |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Washington-County, Iowa
Spouse, age 54
Washington-County, Iowa · implied b. ~1886 — 4 household members
| Surname | Brown |
| Given Name | Helen |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Lime Creek Township |
| 1935 Residence (County) | Washington |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Helen Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Helen Brown
Spouse · 1940 · age 54 · b. ~1886 · Iowa
★ 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 — Washington-County, Iowa
Open full size
1940 US Federal Census — Washington-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01211-00336)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Dorothy J. Miller | 6 | Daughter | — | Oklahoma |
| 42 | Ira D. Quinn | 60 | Head | Farmer | Illinois |
| 43 | Cora M. Quinn | 51 | Wife | — | Illinois |
| 44 | Sam E. Reider | 41 | Head | Farmer | Kansas |
| 45 | Gertrude M. Reider | 37 | Wife | — | Missouri |
| 46 | Emery E. Reider | 12 | Son | — | Iowa |
| 47 | Rosetta V. Reider | 3 | Daughter | — | Iowa |
| 48 | Matt D. Jaynes | 47 | Head | Farmer | Iowa |
| 49 | Helen M. Jaynes | 44 | Wife | — | Iowa |
| 50 | Joe C. Starr | 57 | Head | Farmer | Iowa |
| 51 | Cora Starr | 56 | Wife | — | Iowa |
| 52 | Nellie M. Spear | 57 | Head | Farmer | Iowa |
| 53 | Ida M. Long | 59 | Sister | — | Iowa |
| 54 | Dewey L. Hoefert | 42 | Head | Painter | Iowa |
| 55 | Lucile E. Hoefert | 41 | Wife | — | Iowa |
| 56 | Doris M. Hoefert | 16 | Daughter | — | Iowa |
| 57 | Harold H. Patterson | 27 | Head | Laborer | Iowa |
| 58 | Dolores D. Patterson | 25 | Wife | — | Iowa |
| 59 | Ronald L. Patterson | 1 | Son | — | Iowa |
| 60 | Milton E. Summers | 27 | Head | Laborer | Iowa |
| 61 | Marjorie L. Summers | 21 | Wife | — | Illinois |
| 62 | Loran W. Longwell | 59 | Head | Farmer | Iowa |
| 63 | Sarah H. Longwell | 57 | Wife | — | Iowa |
| 64 | Otto D. Yurwick | 43 | Head | Farmer | Iowa |
| 65 | Florence Yurwick | 35 | Wife | — | Iowa |
| 66 | Donald S. Yurwick | 10 | Son | — | Iowa |
| 67 | Merlin J. Yurwick | 2 | Son | — | Iowa |
| 68 | Charles J. Brown | 57 | Head | Farmer | Iowa |
| 69 | Helen Brown THIS PERSON | 54 | Wife | — | Iowa |
| 70 | Bernice H. Brown | 28 | Daughter | Teacher | Iowa |
| 71 | Donald F. Brown | 22 | Son | Attendant | Iowa |
| 72 | John A. Vanderburg | 34 | Head | Printer | Iowa |
| 73 | Bessie M. Vanderburg | 30 | Wife | — | Minnesota |
| 74 | Arjean M. Vanderburg | 9 | Daughter | — | Iowa |
| 75 | Roberta A. Vanderburg | 8 | Daughter | — | Iowa |
| 76 | John F. Vanderburg | 6 | Son | — | Iowa |
| 77 | William B. Vanderburg | 6 | Son | — | Iowa |
| 78 | James H. Vanderburg | 5 | Son | — | Iowa |
| 79 | Sandra M. Vanderburg | 1 | Daughter | — | Iowa |
| 80 | Melvin S. Roth | 36 | Head | Laborer | Nebraska |
Related Census Records
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)