JC
James Cooper — 1940 US Census Record
Model Tree available1940 United States Federal Census · Harris-County, Texas
Our Model Tree links this James Cooper across the 1920, 1930 and 1940 US Censuses in Harris-County, Texas (XGBoost, ~Confirmed), with identified parents L & Lela — first a son (b.~1913), then head of a 5-person household.
Age 27
b. ~1913
Male
Son
Born: Texas
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Harris-County, Texas |
| Surname | Cooper |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 27 |
| Marital Status | Widowed |
| Birthplace | Texas |
| 1935 Residence (City) | Houston |
| 1935 Residence (County) | Harris |
| Additional Details | |
| Occupation | Laborer |
| Industry | Hughes Tool |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 988 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Occupation | Laborer |
| Township / Ward | Houston |
| Est. Birth Year | ~1913 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Lola Monroe | Head | — | 43 | ~1897 |
| Norman Hardison | Other | — | 26 | ~1914 |
| Wayne Wilburn | Other | — | 31 | ~1909 |
| James Cooper | Other | — | 8 | ~1932 |
| James Cooper | Son | — | 27 | ~1913 |
Census Appearances
1920
Harris, Texas
Son, age 7
Harris, Texas · implied b. ~1913 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1930
Harris, Texas
Son, age 17
Harris, Texas · implied b. ~1913 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Jas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 17 |
| 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
Harris-County, Texas
Son, age 27
Harris-County, Texas · implied b. ~1913 — 5 household members
| Surname | Cooper |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 27 |
| Marital Status | Widowed |
| Birthplace | Texas |
| 1935 Residence (City) | Houston |
| 1935 Residence (County) | Harris |
| Occupation | Laborer |
| Industry | Hughes Tool |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 988 |
| Highest Grade | No 7 |
| 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 Cooper across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father L Moore (~0.92 confidence) and mother Lela Moore (~0.92 confidence) and mother Lola Cooper (~0.92 confidence) and mother Lola Monroe (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
L Moore
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Lela Moore
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Lola Cooper
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Lola Monroe
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Cooper
Son · 1940 · age 27 · b. ~1913 · Texas
★ 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 — Harris-County, Texas
Open full size
1940 US Federal Census — Harris-County, Texas
Page Contents
36 people indexed on this census page (nara:1940:m-t0627-04196-00639)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 45 | Manuel Naxlon | 40 | Head | Longshoreman | Louisiana |
| 46 | Mary Beatrice Naxlon | 35 | Wife | Maid | Texas |
| 47 | Mamie Taylor | 44 | Head | Laundry | Louisiana |
| 48 | Roy Wilson | 28 | Lodger | Waiter | Louisiana |
| 49 | Robert Howard | 40 | Lodger | Construct. Wk | Louisiana |
| 50 | B. Mills | 42 | Lodger | Construct. Wk | Louisiana |
| 51 | S. Fuller | 35 | Lodger | Construct. | Texas |
| 52 | Mamie Marlin | 40 | Head | Maid | Texas |
| 53 | Delores Lewis | 25 | Daughter | — | Texas |
| 54 | Pauline Williams | 38 | Sister | — | Texas |
| 55 | Eddie Williams | 45 | Head | Laborer | Texas |
| 56 | Charles Smith | 19 | Head | Café Work | Alabama |
| 57 | Albert Thomas | 78 | Father | — | Mississippi |
| 58 | Lottie Stuart | 56 | Head | Janitress | Mississippi |
| 59 | Clotell William | 37 | Head | Maid | Oklahoma |
| 60 | Blanche Jones | 20 | Head | — | Texas |
| 61 | James Wilson | 32 | Head | Laborer | Texas |
| 62 | Samantha Wilson | 25 | Wife | — | Texas |
| 63 | Leonard Wilson | 5 | Son | — | Texas |
| 64 | James Jr. Wilson | 2 | Son | — | Texas |
| 65 | Richard Jones | 59 | Head | Laborer | Texas |
| 66 | Delia Jones | 50 | Wife | Laundress | Texas |
| 67 | Bettie Smith | 64 | Head | Laundress | Texas |
| 68 | Robert O'Bryant | 25 | Head | Mechanic | Texas |
| 69 | Louise O'Bryant | 22 | Wife | Stenog. | Texas |
| 70 | Beatrice Sawyer | 36 | Maid | Maid | Louisiana |
| 71 | Richard O'Bryant | 3 | Son | — | Texas |
| 72 | Danny O'Bryant | 2 | Son | — | Texas |
| 73 | Fred Norwitz | 42 | Head | Salesman | Roumania |
| 74 | Edith Norwitz | 42 | Wife | — | Texas |
| 75 | Evelyn Rose Norwitz | 15 | Daughter | — | Texas |
| 76 | Lola B. Monroe | 43 | Head | — | Texas |
| 77 | James Cooper THIS PERSON | 27 | Son | Laborer | Texas |
| 78 | Wayne Wilburn | 31 | Brother | Truck Dr. | Texas |
| 79 | Norman Hardison | 26 | Cousin | Waiter | Texas |
| 80 | James Jr. Cooper | 8 | Grandson | — | Texas |
Pedigree Summary
James
Gen 1 · 4 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)