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James Jacobs — 1940 US Census Record
Model Tree available1940 United States Federal Census · Gallatin-County, Kentucky
Our Model Tree links this James Jacobs across the 1920, 1930 and 1940 US Censuses in Gallatin-County, Kentucky (XGBoost, ~Confirmed), with identified parents Frank & Frank — first a son (b.~1911), then head of a 7-person household.
Age 29
b. ~1911
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Gallatin-County, Kentucky |
| Surname | Jacobs |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Sparta |
| 1935 Residence (County) | Gallatin |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | State Highway |
| Class of Worker | PW |
| Hours Worked | 47 |
| Income (1939) | 100 |
| Highest Grade | No 4 |
| 1935 Residence | Same House |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Truck Driver |
| Township / Ward | Sparta |
| Est. Birth Year | ~1911 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Mary Jacobs | Daughter | — | 13 | ~1927 |
| Fred Jacobs | Son | — | 16 | ~1924 |
| James Jacobs | Son | — | 29 | ~1911 |
| Angela Jacobs | Spouse | — | 53 | ~1887 |
| Ann Jacobs | Daughter | — | 22 | ~1918 |
| Frank Jacobs | Head | — | 53 | ~1887 |
| Jack Jacobs | Son | — | 19 | ~1921 |
Census Appearances
1920
Gallatin, Kentucky
Son, age 9
Gallatin, Kentucky · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jacobs |
| Given Name | James L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Gallatin, Kentucky
Son, age 19
Gallatin, Kentucky · implied b. ~1911 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jacobs |
| Given Name | James F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Truck Driver |
| Industry | Transport Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Gallatin-County, Kentucky
Son, age 29
Gallatin-County, Kentucky · implied b. ~1911 — 7 household members
| Surname | Jacobs |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Sparta |
| 1935 Residence (County) | Gallatin |
| Occupation | Truck Driver |
| Industry | State Highway |
| Class of Worker | PW |
| Hours Worked | 47 |
| Income (1939) | 100 |
| Highest Grade | No 4 |
| 1935 Residence | Same House |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Jacobs across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Jacobs (~0.92 confidence) and father Frank Jacobs (~0.92 confidence) and father James Jacobs (~0.92 confidence) and mother Angela Jacobs (~0.92 confidence) and mother Golda Jacobs (~0.92 confidence) and mother Imala Jacobs (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Jacobs
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Frank Jacobs
b. ~1887
Source father
● Household
· direct · ~0.92
Father
James Jacobs
b. ~1897
Source father
● Household
· direct · ~0.92
Mother
Angela Jacobs
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Golda Jacobs
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Imala Jacobs
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Jacobs
Son · 1940 · age 29 · b. ~1911 · Kentucky
★ You are viewing this record
Sibling
Fred Jacobs
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jack Jacobs
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ann Jacobs
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Jacobs
Sibling · 1940 · age 13
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 — Gallatin-County, Kentucky
Open full size
1940 US Federal Census — Gallatin-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01308-00099)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Grant | 51 | Head | — | Kentucky |
| 42 | Will J Clarke | 62 | Head | Minister Farmer | New Zealand |
| 43 | Kate Clarke | 58 | Wife | — | Kentucky |
| 44 | Tilda G Winn | 86 | Mother-in-law | — | Kentucky |
| 45 | Harry Winn | 56 | Brother-in-law | Labour | Kentucky |
| 46 | Bertha Hutton | 57 | Head | — | Illinois |
| 47 | Elizabeth Bullard | 38 | Daughter | Housework | Kentucky |
| 48 | Edna Mae Hutton | 22 | Daughter | New Worker | Kentucky |
| 49 | John H Lowe | 25 | Nephew | Labour | Kentucky |
| 50 | Fred Grimes | 55 | Head | Farmer | Kentucky |
| 51 | Mary Elizabeth Grimes | 50 | Wife | — | Kentucky |
| 52 | Mary Catherine Grimes | 16 | Daughter | — | Kentucky |
| 53 | James C Grimes | 14 | Son | — | Kentucky |
| 54 | Laura Jean Grimes | 10 | Daughter | — | Kentucky |
| 55 | Frank Jacobs | 53 | Head | Agent Opr | Kentucky |
| 56 | Angela Jacobs | 53 | Wife | — | Kentucky |
| 57 | James Jacobs THIS PERSON | 29 | Son | Truck Driver | Kentucky |
| 58 | Ann Jacobs | 22 | Daughter | Stenographer | Kentucky |
| 59 | Jack Jacobs | 19 | Son | Truck Driver | Kentucky |
| 60 | Fred Jacobs | 16 | Son | — | Kentucky |
| 61 | Mary Agela Jacobs | 13 | Daughter | — | Kentucky |
| 62 | Harry Carver | 71 | Head | Farmer | Kentucky |
| 63 | Florence Carver | 48 | Wife | — | Indiana |
| 64 | Martin Abbott Carver | 20 | Son | Clerk | Kentucky |
| 65 | James Harry Carver | 17 | Son | Tenant | Kentucky |
| 66 | Catherine Carver | 13 | Daughter | — | Kentucky |
| 67 | Winston Carver | 6 | Son | — | Kentucky |
| 68 | Ed Thomas Bickers | 39 | Head | Bus Driver | Kentucky |
| 69 | Faye Bickers | 32 | Wife | Cream Sta Opr | Kentucky |
| 70 | Mary Louise Bickers | 7 | Daughter | — | Kentucky |
| 71 | Town Of Sparta Incorporated | None | — | — | — |
| 72 | Dewey Bailey | 36 | Head | Tenant | Kentucky |
| 73 | Susie Bailey | 78 | Mother | — | Indiana |
| 74 | Ralph Hicks | 37 | Head | Tenant | Kentucky |
| 75 | Dola Hicks | 33 | Wife | — | Kentucky |
| 76 | Mattie Hicks | 7 | Daughter | — | Kentucky |
| 77 | John Robinson | 58 | Head | Farmer | Kentucky |
| 78 | Mattie Robinson | 51 | Wife | — | Kentucky |
| 79 | Bess Boyle | 32 | Head | Housework | Kentucky |
| 80 | Agnes Boyle | 15 | Daughter | — | Indiana |
Related Census Records
Pedigree Summary
James + 4 siblings
Gen 1 · 6 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)