BR
Bertha Robinson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Grundy-County, Missouri
Our Model Tree links this Bertha Robinson across the 1930 and 1940 US Censuses in Grundy-County, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 10-person household.
Age 15
b. ~1925
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Grundy-County, Missouri |
| Surname | Robinson |
| Given Name | Bertha Fay |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | R. |
| 1935 Residence (County) | Grundy |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H-1 |
| 1935 Residence | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Trenton |
| Est. Birth Year | ~1925 |
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 Bertha | Age | Birth yr |
|---|---|---|---|---|
| Alma Robinson | Spouse | — | 40 | ~1900 |
| Nellie Robinson | Daughter | — | 18 | ~1922 |
| Eugene Robinson | Son | — | 16 | ~1924 |
| Mary Robinson | Daughter | — | 18 | ~1922 |
| Letha Robinson | Daughter | — | 6 | ~1934 |
| Raymond Robinson | Son | — | 10 | ~1930 |
| Bertha Robinson | Daughter | — | 15 | ~1925 |
| Francis Robinson | Head | — | 45 | ~1895 |
| Roland Lambkin | Other | — | 24 | ~1916 |
| Edd Hobbs | Other | — | 67 | ~1873 |
Census Appearances
1930
Grundy, Missouri
Daughter, age 5
Grundy, Missouri · implied b. ~1925 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | Bertha May |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Grundy-County, Missouri
Daughter, age 15
Grundy-County, Missouri · implied b. ~1925 — 10 household members
| Surname | Robinson |
| Given Name | Bertha Fay |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | R. |
| 1935 Residence (County) | Grundy |
| Income (1939) | 0 |
| Highest Grade | H-1 |
| 1935 Residence | Missouri |
| 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 Bertha Robinson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Bertha Robinson
Daughter · 1940 · age 15 · b. ~1925 · Missouri
★ You are viewing this record
Sibling
Eugene Robinson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Robinson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nellie Robinson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Letha Robinson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Robinson
Sibling · 1940 · age 18
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
38 people indexed on this census page (nara:1940:m-t0627-02110-00361)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ollie Martin | 52 | Wife | — | Missouri |
| 42 | Nettie Moore | 73 | Head | — | Missouri |
| 43 | Anna Gillman | 77 | Head | — | Missouri |
| 44 | Nannie Dority | 69 | Head | — | Missouri |
| 45 | E. C. Walker | 56 | Head | Barber | Kansas |
| 46 | Vivian Walker | 60 | Wife | — | Ohio |
| 47 | Wm Woodall | 68 | Head | — | Missouri |
| 48 | Pearl Woodall | 56 | Wife | — | Ohio |
| 49 | Francis Robinson | 45 | Head | Laborer Rock Quarry | Missouri |
| 50 | Alma Robinson | 40 | Wife | — | Missouri |
| 51 | Mary Francis Robinson | 18 | Daughter | — | Missouri |
| 52 | Nellie Francis Robinson | 18 | Daughter | — | Missouri |
| 53 | Eugene Robinson | 16 | Son | — | Missouri |
| 54 | Bertha Fay Robinson THIS PERSON | 15 | Daughter | — | Missouri |
| 55 | Raymond Robinson | 10 | Son | — | Missouri |
| 56 | Letha Mae Robinson | 6 | Daughter | — | Missouri |
| 57 | Edd Hobbs | 67 | Son-in-law | — | Missouri |
| 58 | Roland Lambkin | 24 | Boarder | Janitor | Minnesota |
| 60 | Harry S. Dority | 40 | Head | Fireman | Missouri |
| 61 | Marie Dority | 33 | Wife | — | Missouri |
| 63 | Farrell Dapscott | 27 | Head | Driver | Missouri |
| 64 | Margaret Dapscott | 24 | Wife | — | Missouri |
| 65 | Bobby Dapscott | 4 | Son | — | Missouri |
| 66 | Roland Dapscott | 2 | Son | — | Missouri |
| 67 | Morris Sharron | 32 | Head | Operator | Missouri |
| 68 | Naomi Sharron | 27 | Wife | — | Missouri |
| 69 | Connie Sue Sharron | 5 | Daughter | — | Missouri |
| 70 | Deanna Sharron | 1 | Daughter | — | Missouri |
| 71 | Larry Hugh Sharron | 0 | Son | — | Missouri |
| 72 | A. S. Hubbs | 45 | Head | Civil Engineer | Missouri |
| 73 | Desta Hubbs | 31 | Wife | — | Missouri |
| 74 | Lloyd Chappell | 40 | Head | Laborer | Missouri |
| 75 | Stella Chappell | 30 | Sister | — | Missouri |
| 76 | John Piker | 56 | Head | Miner | Romania |
| 77 | Lollie Piker | 39 | Wife | Farmer | Missouri |
| 78 | Alva Schmael | 43 | Head | Salesman | Missouri |
| 79 | Lena Schmael | 38 | Wife | — | Missouri |
| 80 | Claudine Schmael | 18 | Son | — | Missouri |
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)