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William Jacobs — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Franklin-County, Tennessee
Our Model Tree links this William Jacobs across the 1930 and 1940 US Censuses in Franklin-County, Tennessee (XGBoost, ~Confirmed) — first a son (b.~1909), then head of a 11-person household.
Age 31
b. ~1909
Male
Son
Born: Tennessee
Separated
1940 Census Record Details
| Census Year | 1940 |
| Location | Franklin-County, Tennessee |
| Surname | Jacobs |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Separated |
| Birthplace | Tennessee |
| 1935 Residence (City) | 18 District |
| 1935 Residence (County) | Franklin |
| Additional Details | |
| Occupation | Laborer |
| Industry | Sand pit |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 454 |
| Highest Grade | G 2 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Occupation | Laborer |
| Township / Ward | 18 District |
| Est. Birth Year | ~1909 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Jessie Jacobs | Daughter | — | 19 | ~1921 |
| Annie Jacobs | Daughter | — | 23 | ~1917 |
| Bessie Jacobs | Daughter | — | 14 | ~1926 |
| Bertha Jacobs | Daughter | — | 11 | ~1929 |
| Samuel Jacobs | Head | — | 65 | ~1875 |
| Sallie Stevens | Other | — | 86 | ~1854 |
| William Jacobs | Son | — | 31 | ~1909 |
| Johnny Jacobs | Son | — | 6 | ~1934 |
| Clyde Jacobs | Son | — | 16 | ~1924 |
| Frank Jacobs | Son | — | 8 | ~1932 |
| Ellie Jacobs | Spouse | — | 47 | ~1893 |
Census Appearances
1930
Franklin, Tennessee
Son, age 19
Franklin, Tennessee · implied b. ~1911 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jacobs |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | Laborer |
| Industry | Construct. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Franklin-County, Tennessee
Son, age 31
Franklin-County, Tennessee · implied b. ~1909 — 11 household members
| Surname | Jacobs |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Separated |
| Birthplace | Tennessee |
| 1935 Residence (City) | 18 District |
| 1935 Residence (County) | Franklin |
| Occupation | Laborer |
| Industry | Sand pit |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 454 |
| Highest Grade | G 2 |
| 1935 Residence | Same place |
| 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 William Jacobs across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Jacobs
Son · 1940 · age 31 · b. ~1909 · Tennessee
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Sibling
Bertha Jacobs
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clyde Jacobs
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jessie Jacobs
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Jacobs
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Johnny Jacobs
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annie Jacobs
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bessie Jacobs
Sibling · 1940 · age 14
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 — Franklin-County, Tennessee
Open full size
1940 US Federal Census — Franklin-County, Tennessee
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03891-00985)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Harry Long | 11 | Son | — | Tennessee |
| 42 | Sarah Long | 7 | Daughter | — | Tennessee |
| 43 | Joe Ricketts | 68 | Head | — | Tennessee |
| 44 | Jamie Ricketts | 58 | Wife | Laundress | Tennessee |
| 45 | Egbert Ricketts | 33 | Son | Watchman | Tennessee |
| 46 | Christine Ricketts | 28 | Daughter in law | — | Tennessee |
| 47 | Malinda Ricketts | 6 | Granddaughter | — | Tennessee |
| 48 | Sylvia Ricketts | 2 | Granddaughter | — | Tennessee |
| 49 | Bessie Knott | 34 | Head | Nurse | Tennessee |
| 50 | Jim Henry Knott | 35 | Head | Farmer | Tennessee |
| 51 | Mary Knott | 32 | Wife | — | Tennessee |
| 52 | Charles J Knott | 10 | Son | — | Tennessee |
| 53 | Elizabeth Knott | 8 | Daughter | — | Tennessee |
| 54 | Margaret Knott | 6 | Daughter | — | Tennessee |
| 55 | Rosanna Knott | 4 | Daughter | — | Tennessee |
| 56 | Raymond Knott | 26 | Head | Driver | Tennessee |
| 57 | Annie Knott | 21 | Wife | — | Tennessee |
| 58 | Louisa Hopkins | 15 | Lodger | — | Tennessee |
| 59 | R. L. Williamson | 35 | Head | New Worker | Tennessee |
| 60 | Lula Williamson | 27 | Wife | — | Tennessee |
| 61 | Samuel Jacobs | 65 | Head | Laborer | Tennessee |
| 62 | Ellie Jacobs | 47 | Wife | Laundress | Tennessee |
| 63 | William Jacobs THIS PERSON | 31 | Son | Laborer | Tennessee |
| 64 | Annie Jacobs | 23 | Daughter | — | Tennessee |
| 65 | Jessie Jacobs | 19 | Daughter | House Clean | Tennessee |
| 66 | Clyde Jacobs | 16 | Son | — | Tennessee |
| 67 | Bessie Jacobs | 14 | Daughter | — | Tennessee |
| 68 | Bertha Jacobs | 11 | Daughter | — | Tennessee |
| 69 | Frank Jacobs | 8 | Son | — | Tennessee |
| 70 | Johnny Jacobs | 6 | Son | — | Tennessee |
| 71 | Sallie Stevens | 86 | Mother in law | — | Tennessee |
| 72 | John Gilliam | 45 | Head | Miner | Tennessee |
| 73 | Sallie Gilliam | 32 | Wife | — | Tennessee |
| 74 | Nan League | 48 | Lodger | — | Tennessee |
| 75 | Augustus Valentino | 56 | Head | Laborer | Spain |
| 76 | Ella Valentino | 23 | Wife | — | Tennessee |
| 77 | Ernest Park | 22 | Lodger | Laborer | Tennessee |
| 78 | Beulah May Park | 20 | Wife | — | Tennessee |
| 79 | J. W. Park | 5 | Son | — | Tennessee |
| 80 | Tommie Park | 2 | Son | — | 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)