DB
Donald Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Eau-Claire-County, Wisconsin
Our Model Tree links this Donald Brown across the 1930 and 1940 US Censuses in Eau-Claire-County, Wisconsin (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 10-person household.
Age 12
b. ~1928
Male
Son
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Eau-Claire-County, Wisconsin |
| Surname | Brown |
| Given Name | Donald |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Eau Claire City |
| 1935 Residence (County) | Eau Claire |
| Additional Details | |
| Industry | S |
| Highest Grade | G 4 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Township / Ward | Eau Claire City |
| Est. Birth Year | ~1928 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Donald | Age | Birth yr |
|---|---|---|---|---|
| Hilda Brown | Daughter | — | 4 | ~1936 |
| Patricia Brown | Daughter | — | 6 | ~1934 |
| Betty Brown | Daughter | — | 15 | ~1925 |
| Lois Brown | Daughter | — | 9 | ~1931 |
| Doris Brown | Daughter | — | 14 | ~1926 |
| Louis Brown | Head | — | 56 | ~1884 |
| Robert Brown | Son | — | 2 | ~1938 |
| Richard Brown | Son | — | 17 | ~1923 |
| Donald Brown | Son | — | 12 | ~1928 |
| Hilda Brown | Spouse | — | 40 | ~1900 |
Census Appearances
1930
Eau Claire, …
Son, age 1
Eau Claire, Wisconsin · implied b. ~1929 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Donald L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Minnesota |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Eau-Claire-County, Wisconsin
Son, age 12
Eau-Claire-County, Wisconsin · implied b. ~1928 — 10 household members
| Surname | Brown |
| Given Name | Donald |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Eau Claire City |
| 1935 Residence (County) | Eau Claire |
| Industry | S |
| Highest Grade | G 4 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 Donald Brown across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Donald Brown
Son · 1940 · age 12 · b. ~1928 · Wisconsin
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Sibling
Hilda Brown
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Brown
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Brown
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Brown
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Brown
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Brown
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lois Brown
Sibling · 1940 · age 9
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 — Eau-Claire-County, Wisconsin
Open full size
1940 US Federal Census — Eau-Claire-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04477-00933)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Doris Baker | 15 | daughter | — | Wisconsin |
| 2 | Thomas Baker | 10 | son | — | Wisconsin |
| 3 | Louis Brown | 56 | head | Machinist | Wisconsin |
| 4 | Hilda Brown | 40 | wife | — | Minnesota |
| 5 | Richard Brown | 17 | son | — | Minnesota |
| 6 | Betty Brown | 15 | daughter | — | Minnesota |
| 7 | Doris Brown | 14 | daughter | — | Wisconsin |
| 8 | Donald Brown THIS PERSON | 12 | son | — | Wisconsin |
| 9 | Lois Brown | 9 | daughter | — | Wisconsin |
| 10 | Patricia Brown | 6 | daughter | — | Wisconsin |
| 11 | Hilda Brown | 4 | daughter | — | Wisconsin |
| 12 | Robert Brown | 2 | son | — | Wisconsin |
| 13 | Norman Hillestad | 43 | head | Machinist | Wisconsin |
| 14 | Myrta Hillestad | 40 | wife | Machinist | Wisconsin |
| 15 | Kathrin Hillestad | 14 | daughter | — | Wisconsin |
| 16 | Theodore Bryant | 47 | head | Salesman | Iowa |
| 17 | Arthelene Bryant | 43 | wife | — | Missouri |
| 18 | Esther Bryant | 65 | mother | — | Iowa |
| 19 | John Kinberg | 63 | head | Labor | Norway |
| 20 | Belle Kinberg | 61 | wife | — | Wisconsin |
| 21 | Connie Bennett | 86 | mother-law | — | Norway |
| 22 | Minerva Dahl | 37 | head | — | Wisconsin |
| 23 | Lauraine Dahl | 16 | daughter | — | Wisconsin |
| 24 | Richard Dahl | 13 | son | — | Wisconsin |
| 25 | Yordis Dahl | 5 | daughter | — | Wisconsin |
| 26 | George E. Ruhe | 33 | head | Stoker | Wisconsin |
| 27 | Bertha Ruhe | 31 | wife | Stoker | Wisconsin |
| 28 | Donald Ruhe | 9 | son | — | Wisconsin |
| 29 | Lucetta Ruhe | 7 | daughter | — | Wisconsin |
| 30 | Margrete Ruhe | 5 | daughter | — | Wisconsin |
| 31 | Jack Romney | 71 | head | — | Norway |
| 32 | Sara Romney | 49 | wife | — | Illinois |
| 33 | George H. Olson | 35 | head | Bus Driver | Wisconsin |
| 34 | Helen Olson | 33 | wife | — | Wisconsin |
| 35 | George Olson | 14 | son | — | Wisconsin |
| 36 | Joyce Olson | 11 | daughter | — | Wisconsin |
| 37 | Willis Olson | 10 | son | — | Wisconsin |
| 38 | Donald Olson | 5 | son | — | Wisconsin |
| 39 | Louis Krause | 51 | head | Labor | Wisconsin |
| 40 | Anna Krause | 48 | wife | — | Wisconsin |
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)