BB
Blanche Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hancock-County, Iowa
Our Model Tree links this Blanche Brown across the 1930 and 1940 US Censuses in Hancock-County, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1919), then head of a 9-person household.
Age 21
b. ~1919
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hancock-County, Iowa |
| Surname | Brown |
| Given Name | Blanche |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Hancock |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Garfield Township |
| Est. Birth Year | ~1919 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Blanche | Age | Birth yr |
|---|---|---|---|---|
| Merle Brown | Son | — | 15 | ~1925 |
| Velma Brown | Daughter | — | 11 | ~1929 |
| Charlotte Brown | Daughter | — | 8 | ~1932 |
| Verle Brown | Daughter | — | 15 | ~1925 |
| Anna Brown | Spouse | — | 46 | ~1894 |
| Marlene Brown | Daughter | — | 3 | ~1937 |
| Melvin Brown | Head | — | 47 | ~1893 |
| Blanche Brown | Daughter | — | 21 | ~1919 |
| Kenneth Brown | Son | — | 17 | ~1923 |
Census Appearances
1930
Hancock, Iowa
Daughter, age 11
Hancock, Iowa · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Blanche |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Hancock-County, Iowa
Daughter, age 21
Hancock-County, Iowa · implied b. ~1919 — 9 household members
| Surname | Brown |
| Given Name | Blanche |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Hancock |
| Highest Grade | No 8 |
| 1935 Residence | Iowa |
| 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 Blanche Brown across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Blanche Brown
Daughter · 1940 · age 21 · b. ~1919 · Iowa
★ You are viewing this record
Sibling
Kenneth Brown
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charlotte Brown
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Velma Brown
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Verle Brown
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Merle Brown
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marlene Brown
Sibling · 1940 · age 3
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 — Hancock-County, Iowa
Open full size
1940 US Federal Census — Hancock-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01164-00954)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marian Brozik | 5 | daughter | — | Illinois |
| 2 | Ronald Brozik | 2 | son | — | Illinois |
| 3 | Herman Foote | 27 | Head | Farm Laborer | Iowa |
| 4 | Gertrude Foote | 26 | Wife | — | Iowa |
| 5 | Rachele Foote | 0 | daughter | — | Iowa |
| 6 | Henry Hellik | 48 | Head | Farmer | Iowa |
| 7 | Helen Hellik | 43 | Wife | — | Iowa |
| 8 | George Hellik | 21 | son | Farm Laborer | Iowa |
| 9 | Irene Hellik | 19 | daughter | — | Iowa |
| 10 | Leona Hellik | 13 | daughter | — | Iowa |
| 11 | Marilyn Hellik | 7 | daughter | — | Iowa |
| 12 | John Liska | 47 | Head | Farmer | Iowa |
| 13 | Mary Liska | 43 | Wife | — | Iowa |
| 14 | Walter Liska | 19 | son | Teacher | Iowa |
| 15 | John Jr. Liska | 16 | son | Farm Laborer | Iowa |
| 16 | Rosemary Liska | 14 | daughter | — | Iowa |
| 17 | Cletus Liska | 12 | son | — | Iowa |
| 18 | Barbara Ann Liska | 11 | daughter | — | Iowa |
| 19 | Robert Thompson | 36 | Head | Farmer | Iowa |
| 20 | Gladys Thompson | 36 | Wife | — | Iowa |
| 21 | Melvin Brown | 47 | Head | Farmer | Missouri |
| 22 | Anna Brown | 46 | Wife | — | Iowa |
| 23 | Blanche Brown THIS PERSON | 21 | daughter | — | Iowa |
| 24 | Kenneth Brown | 17 | son | Farm Laborer | Iowa |
| 25 | Merle Brown | 15 | son | — | Iowa |
| 26 | Verle Brown | 15 | daughter | — | Iowa |
| 27 | Velma Brown | 11 | daughter | — | Iowa |
| 28 | Charlotte Brown | 8 | daughter | — | Iowa |
| 29 | Marlene Brown | 3 | daughter | — | Iowa |
| 30 | Anton Grea | 38 | Head | Farmer | Iowa |
| 31 | Lulu Grea | 30 | Wife | — | Iowa |
| 32 | Anton Grea | 6 | son | — | Iowa |
| 33 | Eleanor Grea | 3 | daughter | — | Iowa |
| 34 | Bessie Holecek | 33 | Hired Hand | — | Iowa |
| 35 | James Formanek | 30 | Head | Farmer | Iowa |
| 36 | Agnes Formanek | 23 | Wife | — | Iowa |
| 37 | Richard Formanek | 5 | son | — | Iowa |
| 38 | Evelyn Formanek | 3 | daughter | — | Iowa |
| 39 | Eileen Formanek | 1 | daughter | — | Iowa |
| 40 | Maurice Peterson | 38 | Head | Farmer | Iowa |
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)