HB
Harold Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Harrison-County, Iowa
Our Model Tree links this Harold Brown across the 1920, 1930 and 1940 US Censuses in Harrison-County, Iowa (XGBoost, ~Confirmed), with identified parents Frank & Frank — first a son (b.~1914), then head of a 5-person household.
Age 26
b. ~1914
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Harrison-County, Iowa |
| Surname | Brown |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Magnolia Town |
| 1935 Residence (County) | Harrison |
| Additional Details | |
| Occupation | well digger |
| Industry | Well Co |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 988 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Well Digger |
| Township / Ward | Magnolia 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Frank Brown | Head | — | 68 | ~1872 |
| Frances Brown | Other | — | 20 | ~1920 |
| Howard Brown | Son | — | 22 | ~1918 |
| Harold Brown | Son | — | 26 | ~1914 |
| Nettie Brown | Spouse | — | 59 | ~1881 |
Census Appearances
1920
Harrison, Iowa
Son, age 7
Harrison, Iowa · implied b. ~1913 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Harold N |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Iowa |
| Naturalization Status | Naturalized |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Harrison, Iowa
Son, age 17
Harrison, Iowa · implied b. ~1913 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Harrison-County, Iowa
Son, age 26
Harrison-County, Iowa · implied b. ~1914 — 5 household members
| Surname | Brown |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Magnolia Town |
| 1935 Residence (County) | Harrison |
| Occupation | well digger |
| Industry | Well Co |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 988 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| 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 Harold Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Brown (~0.92 confidence) and father Frank Brown (~0.92 confidence) and father Frank Brown (~0.92 confidence) and mother Nettie Brown (~0.92 confidence) and mother Nettie Brown (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Brown
b. ~1872
Source father
● Household
· direct · ~0.92
Father
Frank Brown
b. ~1872
Source father
● Household
· direct · ~0.92
Father
Frank Brown
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Nettie Brown
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Nettie Brown
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Brown
Son · 1940 · age 26 · b. ~1914 · Iowa
★ You are viewing this record
Sibling
Howard Brown
Sibling · 1940 · age 22
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 — Harrison-County, Iowa
Open full size
1940 US Federal Census — Harrison-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01166-00401)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frank Hilds | 19 | Son | School Teacher | Iowa |
| 42 | John Benson | 77 | Head | — | Ohio |
| 43 | Sennie Lawrence | 79 | Head | — | Ohio |
| 44 | Earl Lough | 51 | Head | Truck Operator | Iowa |
| 45 | Ella Lough | 58 | Wife | — | Iowa |
| 46 | Ethelyn Harris | 21 | Lodger | School Teacher | Iowa |
| 47 | Elizabeth Nichols | 25 | Lodger | School Teacher | Iowa |
| 48 | Henry D. Larson | 28 | Head | School Teacher | Iowa |
| 49 | Sane Larson | 27 | Wife | — | Iowa |
| 50 | John C. Michael | 80 | Head | — | Germany |
| 51 | Lena Michael | 77 | Wife | — | Germany |
| 52 | Hollis H. Wade | 72 | Head | — | Ohio |
| 53 | Hattie Wade | 67 | Wife | — | Iowa |
| 54 | Ruth Wade | 27 | Daughter | — | Iowa |
| 55 | William Dejong | 26 | Head | School Teacher | Iowa |
| 56 | Henrietta Dejong | 24 | Wife | — | Iowa |
| 57 | Ray Coffman | 45 | Head | Truck Operator | Iowa |
| 58 | Frances E. Coffman | 45 | Wife | — | Iowa |
| 59 | Kenneth Coffman | 23 | Son | Farmer | Iowa |
| 60 | Darlene Coffman | 21 | Daughter | School Teacher | Iowa |
| 61 | Eugene Coffman | 19 | Son | Farmer | Iowa |
| 62 | Lois Coffman | 15 | Daughter | — | Iowa |
| 63 | A. M. Ryzanda | 74 | Lodger | — | Utah |
| 64 | Austin Perry | 74 | Head | — | Michigan |
| 65 | Lucy D. Perry | 73 | Wife | — | New York |
| 66 | Belle Cress | 49 | Head | — | Iowa |
| 67 | James Cress | 4 | Grand Son | — | Nebraska |
| 68 | Eva Lawrence | 75 | Head | — | Vermont |
| 69 | Evan H. Donnelson | 57 | Head | Farmer | Iowa |
| 70 | Anna M. Donnelson | 57 | Wife | — | Minnesota |
| 71 | Victor Donnelson | 25 | Son | Farm Hand | Iowa |
| 72 | Avis Donnelson | 18 | Daughter | Maid | Iowa |
| 73 | Chas. J. Schlke | 68 | Head | Farmer | Iowa |
| 74 | Minnie Schlke | 68 | Wife | — | Germany |
| 75 | Sarah Hardt | 56 | Head | — | Nebraska |
| 76 | Frank Brown | 68 | Head | Caretaker | Iowa |
| 77 | Nettie Brown | 59 | Wife | — | Iowa |
| 78 | Harold Brown THIS PERSON | 26 | Son | Well Digger | Iowa |
| 79 | Howard Brown | 22 | Son | Road Laborer | Iowa |
| 80 | Frances Brown | 20 | Daughter in law | — | Iowa |
Pedigree Summary
Harold + 1 sibling
Gen 1 · 5 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)