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James Jacobs — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Coffee-County, Tennessee
Our Model Tree links this James Jacobs across the 1930 and 1940 US Censuses in Coffee-County, Tennessee (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 9-person household.
Age 11
b. ~1929
Male
Son
Born: Tennessee
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Coffee-County, Tennessee |
| Surname | Jacobs |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | C. D. No. 10 |
| 1935 Residence (County) | Coffee |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Tennessee |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Township / Ward | C D No 10 |
| Est. Birth Year | ~1929 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Bobby Jacobs | Daughter | — | 9 | ~1931 |
| Ross Jacobs | Head | — | 40 | ~1900 |
| Ida Jacobs | Spouse | — | 40 | ~1900 |
| Frank Jacobs | Son | — | 5 | ~1935 |
| James Jacobs | Son | — | 11 | ~1929 |
| Ross Jacobs | Son | — | 15 | ~1925 |
| John Jacobs | Son | — | 3 | ~1937 |
| Wilma Jacobs | Daughter | — | 7 | ~1933 |
| Martha Jacobs | Daughter | — | 13 | ~1927 |
Census Appearances
1930
Coffee, Tennessee
Son, age 1
Coffee, Tennessee · implied b. ~1929 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jacobs |
| Given Name | James P |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Coffee-County, Tennessee
Son, age 11
Coffee-County, Tennessee · implied b. ~1929 — 9 household members
| Surname | Jacobs |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | C. D. No. 10 |
| 1935 Residence (County) | Coffee |
| Highest Grade | No 5 |
| 1935 Residence | Tennessee |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Jacobs
Son · 1940 · age 11 · b. ~1929 · Tennessee
★ You are viewing this record
Sibling
Wilma Jacobs
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bobby Jacobs
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Jacobs
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Jacobs
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ross Jacobs
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha 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 — Coffee-County, Tennessee
Open full size
1940 US Federal Census — Coffee-County, Tennessee
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03882-00263)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Eliza Werndli | 65 | Head | — | Tennessee |
| 2 | Albert Werndli | 42 | Son | — | Tennessee |
| 3 | James Werndli | 28 | Son | Laborer | Tennessee |
| 4 | Josie Sain | 52 | Head | — | Kentucky |
| 5 | Leo Sain | 16 | Son | Laborer | Tennessee |
| 6 | Duane Sain | 13 | Son | — | Tennessee |
| 7 | Lois Sain | 10 | Daughter | — | Tennessee |
| 8 | Joe Sain | 8 | Son | — | Tennessee |
| 9 | E. W. Anderson | 63 | Head | — | Tennessee |
| 10 | Cleo Anderson | 65 | Wife | — | Tennessee |
| 11 | H. May Henson | 30 | Hired girl | House Work | Tennessee |
| 12 | C. E. William | 56 | Head | Farmer | Tennessee |
| 13 | Esther William | 53 | Wife | — | Tennessee |
| 14 | Elmer William | 27 | Son | Farmer | Tennessee |
| 15 | Leonard William | 15 | Son | Laborer | Tennessee |
| 16 | C. E. William | 10 | Son | — | Tennessee |
| 17 | Ross F. Jacobs | 40 | Head | Driller | Tennessee |
| 18 | Ida Jacobs | 40 | Wife | — | Tennessee |
| 19 | Ross Jacobs | 15 | Son | — | Tennessee |
| 20 | Martha J. Jacobs | 13 | Daughter | — | Tennessee |
| 21 | James Jacobs THIS PERSON | 11 | Son | — | Tennessee |
| 22 | Bobby Jacobs | 9 | Daughter | — | Tennessee |
| 23 | Wilma D. Jacobs | 7 | Daughter | — | Tennessee |
| 24 | Frank Jacobs | 5 | Son | — | Tennessee |
| 25 | John Jacobs | 3 | Son | — | Tennessee |
| 26 | Marvin Jacobs | 33 | Head | Farmer | Tennessee |
| 27 | J. J. Jacobs | 81 | Father | — | Tennessee |
| 28 | Marie Jacobs | 71 | Mother | — | Tennessee |
| 29 | Wade Sanders | 51 | Head | Marker | Tennessee |
| 30 | Jimmie Sanders | 45 | Wife | — | Tennessee |
| 31 | Evelyn Sanders | 20 | Daughter | — | Tennessee |
| 32 | Delphus A. Vailton | 40 | Head | Farmer | Tennessee |
| 33 | Adelaide Vailton | 39 | Wife | — | Tennessee |
| 34 | Kenneth A. Vailton | 18 | Son | Supply Agent | Tennessee |
| 35 | Wilma Vailton | 16 | Daughter | — | Michigan |
| 36 | Donald Vailton | 8 | Son | — | Tennessee |
| 37 | June Vailton | 5 | Daughter | — | Tennessee |
| 38 | Barbara Vailton | 1 | Daughter | — | Tennessee |
| 39 | James B. Moore | 69 | Head | — | Tennessee |
| 40 | Martha Moore | 67 | Wife | — | Tennessee |
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)