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Frank Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Grundy-County, Missouri
Our Model Tree links this Frank Brown across the 1920, 1930 and 1940 US Censuses in Grundy-County, Missouri (XGBoost, ~Confirmed), with identified parents Eugene & Nannie — first a son (b.~1918), then head of a 4-person household.
Age 22
b. ~1918
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Grundy-County, Missouri |
| Surname | Brown |
| Given Name | Frank |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Grundy |
| Additional Details | |
| Occupation | In school |
| Income (1939) | 0 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | In School |
| Township / Ward | Trenton City |
| Est. Birth Year | ~1918 |
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 Frank | Age | Birth yr |
|---|---|---|---|---|
| Frances Brown | Daughter | — | 32 | ~1908 |
| Nannie Brown | Head | — | 59 | ~1881 |
| Harold Brown | Son | — | 30 | ~1910 |
| Frank Brown | Son | — | 22 | ~1918 |
Census Appearances
1920
Grundy, Missouri
Son, age 2
Grundy, Missouri · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Grundy, Missouri
Son, age 12
Grundy, Missouri · implied b. ~1918 — 47 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Grundy-County, Missouri
Son, age 22
Grundy-County, Missouri · implied b. ~1918 — 4 household members
| Surname | Brown |
| Given Name | Frank |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Grundy |
| Occupation | In school |
| Income (1939) | 0 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Frank Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Eugene Brown (~0.92 confidence) and mother Nannie Brown (~0.92 confidence) and mother Mamie Brown (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Eugene Brown
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Nannie Brown
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Mamie Brown
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank Brown
Son · 1940 · age 22 · b. ~1918 · Missouri
★ You are viewing this record
Sibling
Harold Brown
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Brown
Sibling · 1940 · age 32
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 — Grundy-County, Missouri
Open full size
1940 US Federal Census — Grundy-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02110-00307)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ethel Mason | 52 | mother | — | Missouri |
| 42 | Elmer Conrad Jones | 67 | Head | — | Kentucky |
| 43 | Martha O Jones | 61 | wife | — | Missouri |
| 44 | Wilson Jones | 22 | son | Helper | Missouri |
| 45 | Adolph C Schlarb | 62 | Head | Brakeman | Indiana |
| 46 | Jessie Schlarb | 42 | wife | — | Missouri |
| 47 | Phillip Joe Schlarb | 1 | son | — | — |
| 48 | Frances Wilson | 35 | Head | — | Iowa |
| 49 | Herbert Wilson | 12 | son | — | Texas |
| 50 | Herbert Marsden | 83 | father | Machinist | England |
| 51 | Uretta Wagner | 53 | Head | Helper | Missouri |
| 52 | Nick Wagner | 29 | son | Laborer | Missouri |
| 53 | Alice Wherldon | 19 | daughter | Waitress | Missouri |
| 54 | Nobe King | 45 | Head | Laborer | Kansas |
| 55 | Mattie King | 44 | wife | Laborer | Missouri |
| 56 | Ray King | 16 | son | Helper | Missouri |
| 57 | Junior King | 13 | son | — | Missouri |
| 58 | Gloria King | 9 | daughter | — | Missouri |
| 59 | Bobby King | 2 | son | — | — |
| 60 | Robert Booker | 73 | Lodger | — | Missouri |
| 61 | Harold Hudson | 33 | Head | Laborer | Missouri |
| 62 | Clella Hudson | 12 | daughter | — | Missouri |
| 63 | Leo Hudson | 11 | son | — | Missouri |
| 64 | General Jackson | 63 | Head | Laborer | Missouri |
| 65 | Caroline Jackson | 56 | wife | — | Missouri |
| 66 | Bertha Marie Jackson | 17 | daughter | In School | Missouri |
| 67 | Mont Horkins | 57 | Head | Utility Man | Missouri |
| 68 | Eula Horkins | 45 | wife | Maid | Missouri |
| 69 | Nannie Brown | 59 | Head | — | Missouri |
| 70 | Harold Brown | 30 | son | Clerk | Missouri |
| 71 | Frances Brown | 32 | daughter | Stenographer | Missouri |
| 72 | Frank Brown THIS PERSON | 22 | son | In School | Missouri |
| 73 | Frank Nordyke | 59 | Head | Conductor | Missouri |
| 74 | Alice Nordyke | 48 | wife | — | Iowa |
| 75 | Roy Pace | 33 | Head | Butter-Maker | Missouri |
| 76 | Kinzie Pace | 33 | wife | — | Missouri |
| 77 | Ann Pace | 5 | daughter | — | — |
| 78 | Donna Pace | 4 | son | — | — |
| 79 | John Adams | 30 | Head | Salesman | Missouri |
| 80 | Beulah Adams | 26 | wife | — | Missouri |
Pedigree Summary
Frank + 2 siblings
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)