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Lucille Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Des-Moines-County, Iowa
Our Model Tree links this Lucille Brown across the 1930 and 1940 US Censuses in Des-Moines-County, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 9-person household.
Age 16
b. ~1924
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Des-Moines-County, Iowa |
| Surname | Brown |
| Given Name | Lucille |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Des Moines |
| Additional Details | |
| Hours Worked | 6 |
| Highest Grade | 9 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Benton Twp |
| Est. Birth Year | ~1924 |
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 Lucille | Age | Birth yr |
|---|---|---|---|---|
| John Brown | Head | — | 45 | ~1895 |
| Leo Brown | Son | — | 14 | ~1926 |
| Lucille Brown | Daughter | — | 16 | ~1924 |
| Hazel Brown | Daughter | — | 6 | ~1934 |
| Ruby Brown | Spouse | — | 39 | ~1901 |
| Willard Brown | Son | — | 19 | ~1921 |
| Dorothy Brown | Daughter | — | 10 | ~1930 |
| Violet Brown | Daughter | — | 18 | ~1922 |
| Loyd Brown | Son | — | 12 | ~1928 |
Census Appearances
1930
Des Moines, …
Daughter, age 6
Des Moines, Iowa · implied b. ~1924 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Lucille I. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Indiana |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Des-Moines-County, Iowa
Daughter, age 16
Des-Moines-County, Iowa · implied b. ~1924 — 9 household members
| Surname | Brown |
| Given Name | Lucille |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Des Moines |
| Hours Worked | 6 |
| Highest Grade | 9 |
| 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 Lucille Brown across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lucille Brown
Daughter · 1940 · age 16 · b. ~1924 · Iowa
★ You are viewing this record
Sibling
Hazel Brown
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Brown
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leo Brown
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Willard Brown
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Violet Brown
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Loyd Brown
Sibling · 1940 · age 12
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 — Des-Moines-County, Iowa
Open full size
1940 US Federal Census — Des-Moines-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01156-00023)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Esther Rice | 14 | daughter | — | Iowa |
| 42 | Erma Rice | 13 | daughter | — | Iowa |
| 43 | Lester Rice | 11 | son | — | Iowa |
| 44 | Paul Rice | 8 | son | — | Iowa |
| 45 | Evelyn Rice | 6 | daughter | — | Iowa |
| 46 | Clyde Ashby | 26 | head | Farm Laborer | Iowa |
| 47 | Hilma Ashby | 18 | wife | — | Iowa |
| 48 | Marjorie Ashby | 1 | daughter | — | Iowa |
| 49 | John Brown | 45 | head | Farmer | Minnesota |
| 50 | Ruby Brown | 39 | wife | — | Indiana |
| 51 | Willard Brown | 19 | son | — | Iowa |
| 52 | Violet Brown | 18 | daughter | — | Iowa |
| 53 | Lucille Brown THIS PERSON | 16 | daughter | — | Iowa |
| 54 | Leo Brown | 14 | son | — | Iowa |
| 55 | Loyd Brown | 12 | son | — | Iowa |
| 56 | Dorothy Brown | 10 | daughter | — | Iowa |
| 57 | Hazel Brown | 6 | daughter | — | Iowa |
| 58 | Harcen|Hansen Heimann | 25 | head | Farm Laborer | Iowa |
| 59 | Emily Heimann | 18 | wife | — | Iowa |
| 60 | Charles Schuler | 53 | head | Farmer | Iowa |
| 61 | Gladys Schuler | 47 | wife | — | Illinois |
| 62 | Maurice Schuler | 21 | son | Farm Laborer | Iowa |
| 63 | Orville Young | 38 | head | Farmer | Iowa |
| 64 | Lottie Young | 34 | wife | Teacher | Iowa |
| 65 | Erma Young | 13 | daughter | — | Iowa |
| 66 | Eunice Baker | 19 | housekeeper | Housekeeper | Iowa |
| 67 | August Young | 72 | head | Farmer | Iowa |
| 68 | Annie Young | 65 | wife | — | Iowa |
| 69 | Paul Young | 28 | head | Farmer | Iowa |
| 70 | Helen Young | 25 | wife | — | Iowa |
| 71 | Faye Young | 2 | daughter | — | Iowa |
| 72 | Lois Young | 0 | daughter | — | Iowa |
| 73 | Ed H. Schuler | 55 | head | Farmer | Iowa |
| 74 | Ruth Schuler | 49 | wife | — | Iowa |
| 75 | Robert Murphy | 23 | step-son | Farm Laborer | Iowa |
| 76 | Joseph Schuler | 16 | son | Farm Laborer | Iowa |
| 77 | Charles Schuler | 69 | head | — | Iowa |
| 78 | Carl Gehring | 63 | head | Farmer | Iowa |
| 79 | Rosie Gehring | 53 | wife | — | Iowa |
| 80 | Martin Gehring | 17 | son | Farm Laborer | Iowa |
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)