JM
James Maxwell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Grundy-County, Missouri
Our Model Tree links this James Maxwell across the 1920, 1930 and 1940 US Censuses in Grundy-County, Missouri (XGBoost, ~Confirmed), with identified parents D & Lillie — first a head (b.~1905), then head of a 4-person household.
Age 35
b. ~1905
Male
Head
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Grundy-County, Missouri |
| Surname | Maxwell |
| Given Name | James |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Washington Township |
| 1935 Residence (County) | Grundy |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Farmer |
| Township / Ward | Washington Township |
| Est. Birth Year | ~1905 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Clyde Maxwell | Son | — | 11 | ~1929 |
| Jasper Maxwell | Son | — | 14 | ~1926 |
| Alma Maxwell | Spouse | — | 32 | ~1908 |
| James Maxwell | Head | — | 35 | ~1905 |
Census Appearances
1920
Harrison, Missouri
Son, age 15
Harrison, Missouri · implied b. ~1905 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Maxwell |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Harrison, Missouri
Head, age 25
Harrison, Missouri · implied b. ~1905 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Maxwell |
| Given Name | James F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 19 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 62 |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Grundy-County, Missouri
Head, age 35
Grundy-County, Missouri · implied b. ~1905 — 4 household members
| Surname | Maxwell |
| Given Name | James |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Washington Township |
| 1935 Residence (County) | Grundy |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 James Maxwell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father D Maxwell (~0.92 confidence) and mother Lillie Maxwell (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
D Maxwell
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Lillie Maxwell
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Maxwell
Head · 1940 · age 35 · b. ~1905 · Missouri
★ You are viewing this record
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
5 people indexed on this census page (nara:1940:m-t0627-02110-00435)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Emma Lovely | 62 | wife | — | Missouri |
| 2 | James Maxwell THIS PERSON | 35 | head | Farmer | Missouri |
| 3 | Alma Maxwell | 32 | wife | — | Missouri |
| 4 | Jasper Maxwell | 14 | son | — | Missouri |
| 5 | Clyde Maxwell | 11 | son | — | Missouri |
Pedigree Summary
James
Gen 1 · 2 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)