HB
Harry Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Decatur-County, Iowa
Our Model Tree links this Harry Brown across the 1920, 1930 and 1940 US Censuses in Decatur-County, Iowa (XGBoost, ~Confirmed), with identified parents James & Clarence — first a head (b.~1914), then head of a 3-person household.
Age 26
b. ~1914
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Decatur-County, Iowa |
| Surname | Brown |
| Given Name | Harry F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Van Wert Town |
| 1935 Residence (County) | Decatur County |
| Additional Details | |
| Occupation | Truck driver |
| Industry | Trucker |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 450 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Truck Driver |
| Township / Ward | Van Wert Town |
| Est. Birth Year | ~1914 |
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 Harry | Age | Birth yr |
|---|---|---|---|---|
| Sheryl Brown | Daughter | — | 5 | ~1935 |
| Harry Brown | Head | — | 26 | ~1914 |
| Arlene Brown | Spouse | — | 24 | ~1916 |
Census Appearances
1920
Decatur, Iowa
Son, age 6
Decatur, Iowa · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Harry F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Decatur, Iowa
Son, age 16
Decatur, Iowa · implied b. ~1914 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Harry F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Farmer |
| Industry | General farming |
| Class of Worker | VVVV W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Decatur-County, Iowa
Head, age 26
Decatur-County, Iowa · implied b. ~1914 — 3 household members
| Surname | Brown |
| Given Name | Harry F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Van Wert Town |
| 1935 Residence (County) | Decatur County |
| Occupation | Truck driver |
| Industry | Trucker |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 450 |
| Highest Grade | No 8 |
| 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 Harry Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Brown (~0.92 confidence) and father Clarence Brown (~0.92 confidence) and mother Elma Brown (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Brown
b. ~1889
Source father
● Household
· direct · ~0.92
Father
Clarence Brown
b. ~1894
Source father
● Household
· direct · ~0.92
Mother
Elma Brown
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Brown
Head · 1940 · age 26 · b. ~1914 · 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 — Decatur-County, Iowa
Open full size
1940 US Federal Census — Decatur-County, Iowa
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-01154-00692)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Vella Hawkins | 82 | Head | — | Wisconsin |
| 42 | Jasper M. Hallstead | 76 | Head | — | Missouri |
| 43 | Mattie B. Hallstead | 72 | Wife | — | Missouri |
| 44 | Margaret E. Edwards | 68 | Head | — | Iowa |
| 45 | Ben R. Collins | 49 | Head | — | Iowa |
| 46 | Vesta M. Collins | 45 | Wife | — | Iowa |
| 47 | Luke Collins | 70 | Head | — | Iowa |
| 48 | Mertie J. Collins | 27 | Daughter | — | Iowa |
| 49 | Beulah L. Collins | 25 | Daughter | — | Iowa |
| 50 | Nelson C. Spencer | 35 | Head | Common Labor | Iowa |
| 51 | Elizabeth Spencer | 31 | Wife | — | Iowa |
| 52 | Nelson C. Spencer | 12 | Son | — | Iowa |
| 53 | Jackey D. Spencer | 10 | Son | — | Iowa |
| 54 | Garry R. Spencer | 8 | Son | — | Iowa |
| 55 | Dennis L. Spencer | 4 | Son | — | Iowa |
| 56 | William H. Fry | 38 | Head | — | Iowa |
| 57 | Alice W. Fry | 34 | Wife | — | Iowa |
| 58 | Gerry I. Fry | 5 | Son | — | Iowa |
| 59 | Marie Errickson | 45 | Lodger | — | Iowa |
| 60 | Laura Leffler | 76 | Head | — | Iowa |
| 61 | Harry F. Brown THIS PERSON | 26 | Head | Truck Driver | Iowa |
| 62 | Arlene C. Brown | 24 | Wife | — | Iowa |
| 63 | Sheryl A. Brown | 5 | Daughter | — | Iowa |
| 64 | Arvil Foland | 44 | Head | Proprietor | Iowa |
| 65 | Fern E. Foland | 41 | Wife | — | Iowa |
| 66 | Rex J. Foland | 19 | Son | — | Iowa |
| 67 | Max G. Foland | 15 | Son | — | Iowa |
| 68 | Harry H. Weldon | 63 | Father-in-law | — | Iowa |
| 69 | Benjamin A. Hall | 68 | Head | — | Iowa |
| 70 | Nellie E. Hall | 58 | Wife | — | Iowa |
| 71 | Elfie J. Trisler | 64 | Head | — | Iowa |
| 72 | Charil Palmer | 30 | Head | — | Iowa |
| 73 | Inez L. Palmer | 2 | Daughter | — | Iowa |
| 74 | William H. Tompkins | 47 | Head | — | Iowa |
| 75 | Rex E. Tompkins | 15 | Son | — | Iowa |
| 76 | William Reed | 57 | Head | Common Labor | Iowa |
| 77 | Effie B. Reed | 58 | Wife | — | Iowa |
| 78 | Oscar C. Reed | 18 | Son | Common Labor | Iowa |
Pedigree Summary
Harry
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)