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William Jacobs — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Harrison-County, Indiana
Our Model Tree links this William Jacobs across the 1930 and 1940 US Censuses in Harrison-County, Indiana (XGBoost, ~Confirmed) — first a son (b.~1910), then head of a 11-person household.
Age 30
b. ~1910
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Harrison-County, Indiana |
| Surname | Jacobs |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (County) | Harrison |
| Additional Details | |
| Occupation | Same house |
| Industry | 25 |
| Class of Worker | Farmer |
| Highest Grade | Hs 1 |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Same House |
| Township / Ward | Heth Twp |
| Est. Birth Year | ~1910 |
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 |
|---|---|---|---|---|
| Wanda Jacobs | Daughter | — | 13 | ~1927 |
| Ramonia Jacobs | Daughter | — | 11 | ~1929 |
| Rosella Jacobs | Daughter | — | 17 | ~1923 |
| Nancy Jacobs | Head | — | 49 | ~1891 |
| Darrell Jacobs | Son | — | 8 | ~1932 |
| John Jacobs | Son | — | 3 | ~1937 |
| William Jacobs | Son | — | 30 | ~1910 |
| Adrian Jacobs | Son | — | 20 | ~1920 |
| Wayne Jacobs | Son | — | 6 | ~1934 |
| Earl Jacobs | Son | — | 19 | ~1921 |
| Noel Jacobs | Son | — | 15 | ~1925 |
Census Appearances
1930
Harrison, Indiana
Son, age 20
Harrison, Indiana · implied b. ~1910 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jacobs |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Farm Labor |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Harrison-County, Indiana
Son, age 30
Harrison-County, Indiana · implied b. ~1910 — 11 household members
| Surname | Jacobs |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (County) | Harrison |
| Occupation | Same house |
| Industry | 25 |
| Class of Worker | Farmer |
| Highest Grade | Hs 1 |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 30 · b. ~1910 · Indiana
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Sibling
Darrell Jacobs
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Noel Jacobs
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Adrian Jacobs
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosella Jacobs
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earl Jacobs
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wayne Jacobs
Sibling · 1940 · age 6
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
Ramonia Jacobs
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wanda 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 — Harrison-County, Indiana
Open full size
1940 US Federal Census — Harrison-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01051-00254)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Richard Carl Jacobs | 0 | son | Same Place | Indiana |
| 2 | Wilson Jacobs | 27 | Head | Same Place | Indiana |
| 3 | Gertie Jacobs | 24 | wife | Same Place | Kentucky |
| 4 | Alice Jacobs | 7 | daughter | Same Place | Indiana |
| 5 | Carolyn Jacobs | 2 | daughter | Same Place | Indiana |
| 6 | Forest Mauck | 34 | Head | Same House | Indiana |
| 7 | Jacie Mauck | 34 | wife | Same House | Indiana |
| 8 | Betty Mauck | 11 | daughter | Same House | Indiana |
| 9 | Harold Mauck | 9 | son | Same House | Indiana |
| 10 | Phyllis Mauck | 4 | daughter | Same House | Indiana |
| 11 | Jane Mauck | 1 | daughter | Same House | Indiana |
| 12 | Sam Mcmonigle | 39 | Head | Same House | Indiana |
| 13 | Faye Mcmonigle | 36 | wife | Same House | Indiana |
| 14 | Hershel Mcmonigle | 18 | son | Same House | Indiana |
| 15 | Charles Jacobs | 58 | Head | Same House | Indiana |
| 16 | Pearl Jacobs | 56 | wife | Same House | Indiana |
| 17 | Thomas Kindall | 52 | Head | Same House | Kentucky |
| 18 | Allura Kindall | 50 | wife | Same House | Kentucky |
| 19 | Ed Kindall | 17 | son | Same House | Kentucky |
| 20 | Fred Kindall | 17 | son | Same House | Kentucky |
| 21 | Wanda Kindall | 14 | daughter | Same House | Kentucky |
| 22 | Carl Jacobs | 26 | Head | Same House | Indiana |
| 23 | Ida Jacobs | 26 | wife | Same House | Kentucky |
| 24 | David Jacobs | 6 | son | Same House | Indiana |
| 25 | Charlotte Jacobs | 4 | daughter | Same House | Indiana |
| 26 | Nancy Jacobs | 49 | Head | Same House | Indiana |
| 27 | William Jacobs THIS PERSON | 30 | son | Same House | Indiana |
| 28 | Adrian Jacobs | 20 | son | Same House | Indiana |
| 29 | Earl Jacobs | 19 | son | Same House | Indiana |
| 30 | Rosella Jacobs | 17 | daughter | Same House | Indiana |
| 31 | Noel Jacobs | 15 | son | Same House | Indiana |
| 32 | Wanda Jacobs | 13 | daughter | Same House | Indiana |
| 33 | Ramonia Jacobs | 11 | daughter | Same House | Indiana |
| 34 | Darrell Jacobs | 8 | son | Same House | Indiana |
| 35 | Wayne Jacobs | 6 | son | Same House | Indiana |
| 36 | John Jacobs | 3 | son | Same House | Indiana |
| 37 | Ed Beanblossom | 70 | Head | Same House | Indiana |
| 38 | Hall Harp | 65 | Head | Same House | Indiana |
| 39 | Grover Bodenstadt | 55 | Head | Same Place | Indiana |
| 40 | Georgie Bodenstadt | 57 | wife | Same Place | Indiana |
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)