JB
Jacob Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Harris-County, Texas
Our Model Tree links this Jacob Brown across the 1920, 1930 and 1940 US Censuses in Harris-County, Texas (XGBoost, ~Confirmed), with identified parents Leon & Leon — first a son (b.~1917), then head of a 4-person household.
Age 23
b. ~1917
Male
Son
Born: Texas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Harris-County, Texas |
| Surname | Brown |
| Given Name | Jacob |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Houston |
| 1935 Residence (County) | Harris |
| Additional Details | |
| Occupation | machinist |
| Industry | Oil Well Supply Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1400 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Occupation | Machinist |
| Township / Ward | Houston |
| Est. Birth Year | ~1917 |
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 Jacob | Age | Birth yr |
|---|---|---|---|---|
| Mollie Brown | Spouse | — | 51 | ~1889 |
| Jacob Brown | Son | — | 23 | ~1917 |
| Phillip Brown | Son | — | 11 | ~1929 |
| Leon Brown | Head | — | 60 | ~1880 |
Census Appearances
1920
Harris, Texas
Son, age 3
Harris, Texas · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Jacob |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Russia |
| Can Read | No |
| Can Write | No |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1930
Harris, Texas
Son, age 13
Harris, Texas · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Jacob |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Russia |
| Can Read/Write | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Harris-County, Texas
Son, age 23
Harris-County, Texas · implied b. ~1917 — 4 household members
| Surname | Brown |
| Given Name | Jacob |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Houston |
| 1935 Residence (County) | Harris |
| Occupation | machinist |
| Industry | Oil Well Supply Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1400 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| 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 Jacob Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Leon Brown (~0.92 confidence) and father Leon Brown (~0.92 confidence) and mother Mollie Brown (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Leon Brown
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Leon Brown
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Mollie Brown
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Jacob Brown
Son · 1940 · age 23 · b. ~1917 · Texas
★ You are viewing this record
Sibling
Phillip Brown
Sibling · 1940 · age 11
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 — Harris-County, Texas
Open full size
1940 US Federal Census — Harris-County, Texas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04199-00672)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Dwight D. Anderson | 39 | Head | Field Mechanic | Illinois |
| 42 | Effie Anderson | 35 | Wife | — | Texas |
| 43 | Doris Beatrice Leonard | 17 | Stepdaughter | — | Texas |
| 44 | William S. Leonard | 10 | Stepson | — | Texas |
| 45 | Anna Desmond | 71 | Head | — | Texas |
| 46 | Marguerite Desmond | 41 | Daughter | Saleslady | Texas |
| 47 | A. Wesley Segrest | 31 | Lodger | Engineer Aid | Texas |
| 48 | Eria Segrest | 24 | Lodger | — | Texas |
| 49 | Sylvia Esther Segrest | 3 | Lodger | — | Texas |
| 50 | Leon Brown | 60 | Head | — | Texas |
| 51 | Mollie Brown | 51 | Wife | — | Russia |
| 52 | Jacob Brown THIS PERSON | 23 | Son | Machinist | Texas |
| 53 | Phillip Brown | 11 | Son | — | Texas |
| 54 | Addie Mae Daniel | 50 | Head | — | Texas |
| 55 | Alfred Torre | 30 | Lodger | Blacksmith | Texas |
| 56 | Paul Mcniel | 43 | Lodger | Grinder | Texas |
| 57 | Donald West | 23 | Lodger | Painter | Texas |
| 58 | Edwin Russell | 25 | Lodger | Assembly Man | Indiana |
| 59 | Julia Thompson | 32 | Lodger | Typist | Texas |
| 60 | Sarella Thompson | 7 | Lodger | — | Texas |
| 61 | Granville Chaney | 55 | Head | Welder | Texas |
| 62 | Velma Chaney | 45 | Wife | — | Texas |
| 63 | James L. Teer | 42 | Head | Blacksmith | Texas |
| 64 | Julia Teer | 34 | Wife | — | Texas |
| 65 | Theodore Gottlob | 45 | Head | Cake Bakery | Texas |
| 66 | Marie Gottlob | 45 | Wife | — | Texas |
| 67 | Theodore John Gottlob | 18 | Son | Stock Clerk | Texas |
| 68 | Mary Williams | 55 | Head | Waitress | Texas |
| 69 | Leon Derveau | 35 | Lodger | Gauger | France |
| 70 | Travis B. White | 32 | Head | Civil Engineer | Texas |
| 71 | Inez White | 41 | Wife | — | Georgia |
| 72 | Norvil Fitch | 27 | Head | Heat Treater | Texas |
| 73 | Myra Nell Fitch | 26 | Wife | — | Texas |
| 74 | Thomas Norvil Fitch | 0 | Son | — | Texas |
| 75 | Robert V. Hedgepath | 33 | Head | Welder | South Carolina |
| 76 | Edith Hedgepath | 31 | Wife | — | Oklahoma |
| 77 | Angeline Hedgepath | 12 | Daughter | — | Oklahoma |
| 78 | Douglas Hedgepath | 7 | Son | — | Oklahoma |
| 79 | Adrain Underhill | 39 | Head | Welder | Texas |
| 80 | Claudie Mae Underhill | 25 | Wife | — | Texas |
Related Census Records
Pedigree Summary
Jacob + 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)