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Grace Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Adams-County, Illinois
Our Model Tree links this Grace Brown across the 1920, 1930 and 1940 US Censuses in Adams-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1876), then head of a 3-person household.
Age 64
b. ~1876
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Adams-County, Illinois |
| Surname | Brown |
| Given Name | Grace H. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Quincy city |
| 1935 Residence (County) | Adams |
| Additional Details | |
| Industry | H |
| Income (1939) | 0 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Quincy City |
| Est. Birth Year | ~1876 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Grace | Age | Birth yr |
|---|---|---|---|---|
| Mary Brown | Daughter | — | 24 | ~1916 |
| Herman Brown | Head | — | 63 | ~1877 |
| Grace Brown | Spouse | — | 64 | ~1876 |
Census Appearances
1920
Adams, Illinois
Spouse, age 45
Adams, Illinois · implied b. ~1875 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Grace H. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Adams, Illinois
Other, age 55
Adams, Illinois · implied b. ~1875 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Grace H. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 27 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Adams-County, Illinois
Spouse, age 64
Adams-County, Illinois · implied b. ~1876 — 3 household members
| Surname | Brown |
| Given Name | Grace H. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Quincy city |
| 1935 Residence (County) | Adams |
| Industry | H |
| Income (1939) | 0 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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.
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This person
Anchor record
Grace Brown
Spouse · 1940 · age 64 · b. ~1876 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Adams-County, Illinois
Open full size
1940 US Federal Census — Adams-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00757-00518)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William E. Cason | 34 | Head | Agent | Missouri |
| 2 | Marylyn B. Cason | 34 | Wife | — | Illinois |
| 3 | Elizabeth B. Wilson | 54 | Head | Newspaper Woman | Missouri |
| 4 | Beulah Gooch | 52 | Head | Office Manager | Missouri |
| 5 | Alice M. King | 57 | Head | — | Illinois |
| 6 | Warren King | 32 | Son | Manager | Illinois |
| 7 | Harry D. Sweet | 57 | Head | Manager | Illinois |
| 8 | Herman H. Brown | 63 | Head | Lawyer | Illinois |
| 9 | Grace H. Brown THIS PERSON | 64 | Wife | — | Illinois |
| 10 | Mary Ellen (Ab) Brown | 24 | Daughter | Secretary | Illinois |
| 11 | Willis F. Slayton | 45 | Head | Salesman | Michigan |
| 12 | Mary L. Slayton | 27 | Wife | — | Missouri |
| 13 | Joseph A. Bier | 38 | Head | Lawyer | Missouri |
| 14 | Elizabeth S. Bier | 35 | Wife | — | Missouri |
| 15 | James Bier | 13 | Son | — | Texas |
| 16 | Robert Bier | 5 | Son | — | Texas |
| 17 | Emmitt Mehaffey | 60 | Head | Manager | Illinois |
| 18 | Mollie Tobias | 67 | Head | — | Russia |
| 19 | Sadie Goldberg | 46 | Daughter | Manager | Illinois |
| 20 | Raymond Lynge | 32 | Head | Superintendent | Indiana |
| 21 | Eva Lynge | 30 | Wife | — | Indiana |
| 22 | Ruth Ann Lynge | 1 | Daughter | — | Indiana |
| 23 | Otto Wright | 43 | Head | Executive Produce | Missouri |
| 24 | Mildred Wright | 38 | Wife | — | Missouri |
| 25 | Nancy Wright | 14 | Daughter | — | Illinois |
| 26 | Mary Wright | 10 | Daughter | — | Illinois |
| 27 | Viola Reckers | 21 | Maid | Maid | Illinois |
| 28 | Zora Taylor | 64 | Head | — | Illinois |
| 29 | Raymond Whitefield | 50 | Brother | Laborer | Illinois |
| 30 | Myrone Lusk | 57 | Head | President | Illinois |
| 31 | Eva Lue Lusk | 51 | Wife | — | Minnesota |
| 32 | Myrone E. (Ab) Lusk | 23 | Son | Laboratory Assistant | Illinois |
| 33 | Robert J. Lusk | 20 | Son | Laboratory Assistant | Iowa |
| 34 | Clifford H. Robinson | 42 | Head | Broker | Illinois |
| 35 | Catherine Robinson | 38 | Wife | — | Missouri |
| 36 | John H. Schunhorst | 27 | Head | Credit & Budget Manager | Illinois |
| 37 | Jennie Schunhorst | 25 | Wife | — | Missouri |
| 38 | Max Chenen | 36 | Head | Jobber | Latvia |
| 39 | Zella Chenen | 25 | Wife | — | Russia |
| 40 | Frederick Chenen | 2 | Son | — | Illinois |
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)