JJ
James Jacobs — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hardeman-County, Tennessee
Our Model Tree links this James Jacobs across the 1930 and 1940 US Censuses in Hardeman-County, Tennessee (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 12-person household.
Age 13
b. ~1927
Male
Son
Born: Tennessee
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hardeman-County, Tennessee |
| Surname | Jacobs |
| Given Name | James W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | District 5 |
| 1935 Residence (County) | Hardeman |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | Hs 5 |
| 1935 Residence | Same house |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Township / Ward | District 5 |
| Est. Birth Year | ~1927 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Millie Jacobs | Daughter | — | 17 | ~1923 |
| J Jacobs | Son | — | 15 | ~1925 |
| Wickliffe Jacobs | Head | — | 50 | ~1890 |
| L Jacobs | Son | — | 21 | ~1919 |
| Sarah Jacobs | Daughter | — | 3 | ~1937 |
| James Jacobs | Son | — | 13 | ~1927 |
| Elizabeth Jacobs | Daughter | — | 12 | ~1928 |
| Lola Jacobs | Spouse | — | 46 | ~1894 |
| Helen Jacobs | Daughter | — | 9 | ~1931 |
| Mary Jacobs | Daughter | — | 6 | ~1934 |
| Mary Jacobs | Daughter | — | 19 | ~1921 |
| Joe Jacobs | Son | — | 4 | ~1936 |
Census Appearances
1930
Hardeman, Tennessee
Son, age 3
Hardeman, Tennessee · implied b. ~1927 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jacobs |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Hardeman-County, Tennessee
Son, age 13
Hardeman-County, Tennessee · implied b. ~1927 — 12 household members
| Surname | Jacobs |
| Given Name | James W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | District 5 |
| 1935 Residence (County) | Hardeman |
| Class of Worker | 0 |
| Highest Grade | Hs 5 |
| 1935 Residence | Same house |
| 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 13 · b. ~1927 · Tennessee
★ You are viewing this record
Sibling
Mary Jacobs
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
L Jacobs
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Millie Jacobs
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Jacobs
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joe Jacobs
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Jacobs
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
J Jacobs
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Jacobs
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sarah Jacobs
Sibling · 1940 · age 3
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 — Hardeman-County, Tennessee
Open full size
1940 US Federal Census — Hardeman-County, Tennessee
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03900-00753)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary J. Maxwell | 2 | Daughter | — | Tennessee |
| 2 | C. Ansel Stricklin | 31 | Head | Farmer | Tennessee |
| 3 | Minnie Stricklin | 71 | Mother | — | Tennessee |
| 4 | Wickliffe W. Jacobs | 50 | Head | Farmer | Tennessee |
| 5 | Lola E. Jacobs | 46 | Wife | — | Tennessee |
| 6 | L. B. Jacobs | 21 | Son | Laborer | Tennessee |
| 7 | Mary L. Jacobs | 19 | Daughter | — | Tennessee |
| 8 | Millie E. Jacobs | 17 | Daughter | — | Tennessee |
| 9 | J. Eulae Jacobs | 15 | Son | Laborer | Tennessee |
| 10 | James W. Jacobs THIS PERSON | 13 | Son | — | Tennessee |
| 11 | Elizabeth P. Jacobs | 12 | Daughter | — | Tennessee |
| 12 | Helen Q. Jacobs | 9 | Daughter | — | Tennessee |
| 13 | Mary Z. Jacobs | 6 | Daughter | — | Tennessee |
| 14 | Joe E. Jacobs | 4 | Son | — | Tennessee |
| 15 | Sarah L. Jacobs | 3 | Daughter | — | Tennessee |
| 16 | A. Cleaton Howell | 39 | Head | Farmer | Tennessee |
| 17 | Ollie M. Howell | 32 | Wife | — | Tennessee |
| 18 | Curtis L. Brown | 26 | Lodger | Laborer | Tennessee |
| 19 | Martha J. Casey | 77 | Head | — | Tennessee |
| 20 | Mary E. Bennett | 83 | Partner | — | Tennessee |
| 21 | George E. Bizzell | 56 | Head | Farmer | Tennessee |
| 22 | Lillie C. Bizzell | 54 | Wife | — | Tennessee |
| 23 | George W. Moore | 76 | Head | — | Mississippi |
| 24 | Gaston E. Mcalpin | 40 | Head | Laborer | Tennessee |
| 25 | Lucy E. Mcalpin | 31 | Wife | — | Tennessee |
| 26 | Margaret Mcalpin | 13 | Daughter | — | Tennessee |
| 27 | Bessie M. Mcalpin | 11 | Daughter | — | Tennessee |
| 28 | Golden Z. Mcalpin | 9 | Son | — | Tennessee |
| 29 | Thomas E. Mcalpin | 6 | Son | — | Tennessee |
| 30 | Katherine B. Galigher | 53 | Head | — | Tennessee |
| 31 | Ruby L. Galigher | 27 | Daughter | — | Tennessee |
| 32 | Woodrow W. Galigher | 24 | Son | Laborer | Tennessee |
| 33 | Martha L. Galigher | 22 | Daughter | New Worker | Tennessee |
| 34 | I. J. Galigher | 11 | Son | Laborer | Tennessee |
| 35 | Opal U. Galigher | 16 | Daughter | — | Tennessee |
| 36 | Hugh E. Galigher | 15 | Son | Laborer | Tennessee |
| 37 | Georgia E. Galigher | 13 | Daughter | — | Tennessee |
| 38 | Lloyd L. Galigher | 10 | Son | — | Tennessee |
| 39 | Herbert Richardson | 8 | Nephew | — | Tennessee |
| 40 | Grace D. Howell | 41 | Head | — | 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)