LJ
Lillian Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Grundy-County, Missouri
Our Model Tree links this Lillian Johnson across the 1920, 1930 and 1940 US Censuses in Grundy-County, Missouri (XGBoost, ~Confirmed) — first a spouse (b.~1898), then head of a 4-person household.
Age 42
b. ~1898
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Grundy-County, Missouri |
| Surname | Johnson |
| Given Name | Lillian |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Grundy |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Trenton City |
| Est. Birth Year | ~1898 |
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 Lillian | Age | Birth yr |
|---|---|---|---|---|
| Irene Johnson | Daughter | — | 23 | ~1917 |
| Grover Johnson | Head | — | 50 | ~1890 |
| Grover Johnson | Son | — | 19 | ~1921 |
| Lillian Johnson | Spouse | — | 42 | ~1898 |
Census Appearances
1920
Grundy, Missouri
Spouse, age 21
Grundy, Missouri · implied b. ~1899 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Lillian M |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Housewife |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Grundy, Missouri
Spouse, age 31
Grundy, Missouri · implied b. ~1899 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Lillian M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 16 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Grundy-County, Missouri
Spouse, age 42
Grundy-County, Missouri · implied b. ~1898 — 4 household members
| Surname | Johnson |
| Given Name | Lillian |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Grundy |
| Class of Worker | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Lillian Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Lillian Johnson
Spouse · 1940 · age 42 · b. ~1898 · Missouri
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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 — 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-t0627-02110-00326)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edna Mae Jones | 8 | daughter | — | Missouri |
| 2 | Bobby N. Jones | 6 | son | — | Missouri |
| 3 | Eugene Harvey | 47 | Head | Brakeman | Missouri |
| 4 | Edith Harvey | 44 | wife | — | Missouri |
| 5 | Earl Gene Harvey | 8 | G-son | — | Missouri |
| 6 | Roy C. Hunt | 42 | Head | Laborer | Missouri |
| 7 | Daisy Hunt | 42 | wife | Nurse | Missouri |
| 8 | Floyd Victor Hunt | 22 | son | Carpenter | Iowa |
| 9 | Grover Johnson | 50 | Head | Engineer | Iowa |
| 10 | Lillian Johnson THIS PERSON | 42 | wife | — | Iowa |
| 11 | Irene Mae Johnson | 23 | daughter | Assistant | Iowa |
| 12 | Grover Jr. Johnson | 19 | son | In Navy | Missouri |
| 13 | Edwin Riddle | 71 | Head | Minister | Missouri |
| 14 | Elizabeth Riddle | 49 | wife | — | Missouri |
| 15 | Arthur Pease | 42 | Head | Owns-Operates | Iowa |
| 16 | Deborah Pease | 42 | wife | — | Massachusetts |
| 17 | W. H. Mccallum | 42 | Head | — | Missouri |
| 18 | Cecelia Mccallum | 39 | wife | Clerk Jr. | Missouri |
| 19 | Dorothy Mccallum | 15 | daughter | — | Missouri |
| 20 | Charles Mccallum | 74 | Head | — | Iowa |
| 21 | Phrona Mccallum | 64 | wife | — | Missouri |
| 22 | Mary Wilson | 69 | Head | — | Missouri |
| 23 | Raymond Wilford | 41 | Head | Laborer | Missouri |
| 24 | Chloe Wilford | 35 | wife | — | Missouri |
| 25 | Florine Wilford | 15 | daughter | — | Missouri |
| 26 | Evelyn Wilford | 12 | daughter | — | Missouri |
| 27 | Bonnie Wilford | 3 | son | — | Missouri |
| 28 | Lewis W. Nichols | 76 | Head | — | Missouri |
| 29 | Vale Clark | 22 | Head | Laborer | Missouri |
| 30 | Roberta Clark | 21 | wife | — | Missouri |
| 31 | Thelma Louise Clark | 1 | daughter | — | Missouri |
| 32 | Thurber Tennant | 33 | Head | Lineman Helper | Iowa |
| 33 | Ethel Tennant | 31 | wife | — | Missouri |
| 34 | Jean Tennant | 8 | daughter | — | Missouri |
| 35 | Charles Wade Tennant | 5 | son | — | Missouri |
| 36 | Thomas F. Kincaid | 60 | Head | Engineer | Missouri |
| 37 | Stella Kincaid | 63 | wife | — | Missouri |
| 38 | Ontie C. Garrison | 35 | Head | Assistant | Missouri |
| 39 | Flora Garrison | 28 | wife | — | Missouri |
| 40 | Larry Dean Garrison | 4 | son | — | Missouri |
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)