JM
James Monroe — 1940 US Census Record
Model Tree available1940 United States Federal Census · Caldwell-County, Texas
Our Model Tree links this James Monroe across the 1920, 1930 and 1940 US Censuses in Caldwell-County, Texas (XGBoost, ~Confirmed), with identified parents Robert & Minnie — first a son (b.~1910), then head of a 4-person household.
Age 30
b. ~1910
Male
Son
Born: Texas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Caldwell-County, Texas |
| Surname | Monroe |
| Given Name | James W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Lockhart City |
| 1935 Residence (County) | Caldwell |
| Additional Details | |
| Occupation | Forester |
| Industry | Conservation |
| Class of Worker | GW |
| Hours Worked | 28 |
| Income (1939) | 450 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Occupation | Forester |
| Township / Ward | Lockhart City |
| Est. Birth Year | ~1910 |
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 |
|---|---|---|---|---|
| Minnie Monroe | Spouse | — | 51 | ~1889 |
| Dorothy Monroe | Daughter | — | 19 | ~1921 |
| James Monroe | Son | — | 30 | ~1910 |
| Robert Monroe | Head | — | 53 | ~1887 |
Census Appearances
1920
Caldwell, Texas
Son, age 9
Caldwell, Texas · implied b. ~1911 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Monroe |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1930
Caldwell, Texas
Son, age 20
Caldwell, Texas · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Monroe |
| Given Name | James W Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Can Read/Write | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Caldwell-County, Texas
Son, age 30
Caldwell-County, Texas · implied b. ~1910 — 4 household members
| Surname | Monroe |
| Given Name | James W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Lockhart City |
| 1935 Residence (County) | Caldwell |
| Occupation | Forester |
| Industry | Conservation |
| Class of Worker | GW |
| Hours Worked | 28 |
| Income (1939) | 450 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
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 Monroe across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Robert Monroe (~0.92 confidence) and mother Minnie Monroe (~0.92 confidence) and mother Minnie Monroe (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Monroe
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Minnie Monroe
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Minnie Monroe
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Monroe
Son · 1940 · age 30 · b. ~1910 · Texas
★ You are viewing this record
Sibling
Dorothy Monroe
Sibling · 1940 · age 19
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 — Caldwell-County, Texas
Open full size
1940 US Federal Census — Caldwell-County, Texas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03996-00124)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Mason | 39 | Head | Land Manager | Texas |
| 2 | Lois Mason | 36 | Wife | — | Texas |
| 3 | Mary Elaine Mason | 16 | Daughter | — | Texas |
| 4 | Rufus J. Davis | 72 | Head | — | Ohio |
| 5 | Lula Davis | 68 | Wife | — | Mississippi |
| 6 | Baldwin R. George | 42 | Son-in-law | Fireman | Texas |
| 7 | Rena George | 33 | Daughter | — | Texas |
| 8 | Gene George | 15 | Grandson | — | Texas |
| 9 | Laverne George | 13 | Grandson | — | Texas |
| 10 | Lee C. Denyer | 46 | Head | — | Texas |
| 11 | Ida Mae Denyer | 43 | Wife | — | Texas |
| 12 | Ruby Lee Denyer | 18 | Daughter | Stenographer | Texas |
| 13 | Robert W. Monroe | 53 | Head | Engineer | Texas |
| 14 | Minnie Monroe | 51 | Wife | — | Texas |
| 15 | James W. Monroe THIS PERSON | 30 | Son | Forester | Texas |
| 16 | Dorothy Mae Monroe | 19 | Daughter | — | Texas |
| 17 | Buford Alexander | 31 | Head | Barber | Texas |
| 18 | Vivian Alexander | 29 | Wife | — | Texas |
| 19 | Dorothy Alexander | 12 | Daughter | — | Texas |
| 20 | Doloris Alexander | 11 | Daughter | — | Texas |
| 21 | Nancy Ruth Alexander | 4 | Daughter | — | Texas |
| 22 | Minnie Lee Morgan | 62 | Head | — | Texas |
| 23 | Alice Lola Hill | 52 | Lodger | — | Texas |
| 24 | Arthur Leon Hill | 29 | Son | Civil Engineer | Texas |
| 25 | Arminda Lehrenkamp | 59 | Head | — | Texas |
| 26 | Robert B. Motheral | 74 | Head | — | Texas |
| 27 | Laura O. Motheral | 68 | Wife | — | Georgia |
| 28 | Mabel Motheral | 47 | Daughter | — | Texas |
| 29 | Clarence E. Moore | 72 | Head | Minister | Kentucky |
| 30 | Clarence J. Jr. Macdowell | 64 | Head | Agent | Texas |
| 31 | Taffie Macdowell | 59 | Wife | — | Mississippi |
| 32 | Katie Jane Macdowell | 28 | Daughter | Stenographer | Texas |
| 33 | Samuel W. Vaughan | 61 | Head | Farmer | Texas |
| 34 | Queen Vaughan | 58 | Wife | — | Texas |
| 35 | Mildred Vaughan | 31 | Daughter | — | Texas |
| 36 | Dorothy Helen Lona | 19 | Niece | Stenographer | Texas |
| 37 | Jesse David Aiken | 63 | Head | Carpenter | Texas |
| 38 | Mamie Aiken | 62 | Wife | — | Texas |
| 39 | Daniel W. Barrow | 71 | Head | — | Missouri |
| 40 | Emmett Trammell | 39 | Son-in-law | Barber | Texas |
Pedigree Summary
James + 1 sibling
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)