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Grace Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Aitkin-County, Minnesota
Our Model Tree links this Grace Brown across the 1920, 1930 and 1940 US Censuses in Aitkin-County, Minnesota (XGBoost, ~Confirmed), with identified parents Clarence & Petra — first a daughter (b.~1909), then head of a 4-person household.
Age 31
b. ~1909
Female
Daughter
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Aitkin-County, Minnesota |
| Surname | Brown |
| Given Name | Grace L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Aitkin twp |
| 1935 Residence (County) | Aitkin |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Township / Ward | Aitkin Twp |
| Est. Birth Year | ~1909 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Grace | Age | Birth yr |
|---|---|---|---|---|
| Sigfried Brown | Daughter | — | 26 | ~1914 |
| Grace Brown | Daughter | — | 31 | ~1909 |
| Petra Brown | Head | — | 62 | ~1878 |
| Mary Brown | Other | — | 5 | ~1935 |
Census Appearances
1920
Aitkin, Minnesota
Daughter, age 11
Aitkin, Minnesota · implied b. ~1909 — 14 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Norway |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Aitkin, Minnesota
Daughter, age 21
Aitkin, Minnesota · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Grace L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Norway |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Aitkin-County, Minnesota
Daughter, age 31
Aitkin-County, Minnesota · implied b. ~1909 — 4 household members
| Surname | Brown |
| Given Name | Grace L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Aitkin twp |
| 1935 Residence (County) | Aitkin |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 Grace Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Clarence Brown (~0.92 confidence) and mother Petra Brown (~0.92 confidence) and mother Ida Brown (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Clarence Brown
b. ~1854
Source father
● Household
· direct · ~0.92
Mother
Petra Brown
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Ida Brown
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Grace Brown
Daughter · 1940 · age 31 · b. ~1909 · Minnesota
★ You are viewing this record
Sibling
Sigfried Brown
Sibling · 1940 · age 26
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 — Aitkin-County, Minnesota
Open full size
1940 US Federal Census — Aitkin-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01903-00041)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mabel S. Armstead | 42 | Head | Telephone Operator | Minnesota |
| 2 | Dorothy L. Armstead | 18 | Daughter | Clerk | Minnesota |
| 3 | Lois E. Armstead | 14 | Daughter | — | Minnesota |
| 4 | Elmer Struck | 43 | Head | Plumber | Minnesota |
| 5 | Hattie Struck | 43 | Wife | — | Iowa |
| 6 | George Warriner | 58 | Head | Night Watchman | Iowa |
| 7 | Ethel Warriner | 49 | Wife | — | Minnesota |
| 8 | Bernice L. Warriner | 20 | Daughter | Clerical Asst | Minnesota |
| 9 | Betty N. Warriner | 16 | Daughter | — | Minnesota |
| 10 | Jean D. Warriner | 14 | Son | — | Minnesota |
| 11 | Vera L. Warriner | 12 | Daughter | — | Minnesota |
| 12 | Charles E. Truman | 23 | Head | Bartender | Iowa |
| 13 | Helen Truman | 25 | Wife | — | Iowa |
| 14 | Donald Truman | 3 | Son | — | Minnesota |
| 15 | David Flowers | 25 | Head | Traveling Salesman | Minnesota |
| 16 | Elsie Flowers | 22 | Wife | — | Minnesota |
| 17 | Bradley Flowers | 5 | Son | — | Minnesota |
| 18 | Richard Flowers | 5 | Son | — | Minnesota |
| 19 | Donald Tibbetts | 37 | Head | Mason Tender | Minnesota |
| 20 | Wilamine Tibbetts | 35 | Wife | Fur Buyer | Minnesota |
| 21 | Omer Tibbetts | 15 | Daughter | — | Minnesota |
| 22 | Betty Tibbetts | 12 | Daughter | — | Minnesota |
| 23 | Lawrence Hock | 27 | Head | Snow Plow Operator | Minnesota |
| 24 | Ethel Hock | 25 | Wife | — | Minnesota |
| 25 | Judith Hock | 4 | Daughter | — | Minnesota |
| 26 | John R. Johnson | 29 | Head | Trucker | Minnesota |
| 27 | Helen Johnson | 33 | Wife | — | Iowa |
| 28 | Joan Johnson | 3 | Daughter | — | Minnesota |
| 29 | Petra P. Brown | 62 | Head | — | Norway |
| 30 | Grace L. Brown THIS PERSON | 31 | Daughter | — | Wisconsin |
| 31 | Sigfried Brown | 26 | Daughter | Cook | Wisconsin |
| 32 | Mary L. Brown | 5 | Granddaughter | — | Illinois |
| 33 | La Vina Cartie | 43 | Head | — | Minnesota |
| 34 | Elisabeth Cartie | 84 | Mother | — | Michigan |
| 35 | Anna Hansen | 74 | Head | — | Norway |
| 36 | Steve Cartie | 52 | Head | Janitor | Canada French |
| 37 | Ruth Cartie | 42 | Wife | — | Wisconsin |
| 38 | Evelyn Cartie | 16 | Daughter | — | Minnesota |
| 39 | Frank Hogan | 61 | Head | Auctioneer | New York |
| 40 | Edna Hogan | 61 | Wife | — | Iowa |
Pedigree Summary
Grace + 1 sibling
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)