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William Jacobs — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Joseph-County, Michigan
Our Model Tree links this William Jacobs across the 1930 and 1940 US Censuses in St.-Joseph-County, Michigan (XGBoost, ~Confirmed) — first a head (b.~1898), then head of a 13-person household.
Age 42
b. ~1898
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Joseph-County, Michigan |
| Surname | Jacobs |
| Given Name | William B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | White Pigeon Township |
| 1935 Residence (County) | Saint Joseph |
| Additional Details | |
| Occupation | Paper Maker |
| Industry | Paper Mill |
| Class of Worker | PW |
| Hours Worked | 49 |
| Income (1939) | 785 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Paper Maker |
| Township / Ward | White Pigeon Township |
| Est. Birth Year | ~1898 |
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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Mildred Jacobs | Daughter | — | 14 | ~1926 |
| Marie Jacobs | Daughter | — | 9 | ~1931 |
| June Jacobs | Daughter | — | 12 | ~1928 |
| William Jacobs | Head | — | 42 | ~1898 |
| David Jacobs | Son | — | 7 | ~1933 |
| Dale Jacobs | Son | — | 7 | ~1933 |
| Lindy Jacobs | Son | — | 11 | ~1929 |
| Melvin Jacobs | Son | — | 14 | ~1926 |
| Clifford Jacobs | Son | — | 15 | ~1925 |
| Richard Jacobs | Son | — | 13 | ~1927 |
| Roy Jacobs | Son | — | 19 | ~1921 |
| Elmer Jacobs | Son | — | 21 | ~1919 |
| Edith Jacobs | Spouse | — | 40 | ~1900 |
Census Appearances
1930
St Joseph, …
Head, age 31
St Joseph, Michigan · implied b. ~1899 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jacobs |
| Given Name | William B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 18 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Paper Maker |
| Industry | Paper Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2500 |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
St.-Joseph-County, Michigan
Head, age 42
St.-Joseph-County, Michigan · implied b. ~1898 — 13 household members
| Surname | Jacobs |
| Given Name | William B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | White Pigeon Township |
| 1935 Residence (County) | Saint Joseph |
| Occupation | Paper Maker |
| Industry | Paper Mill |
| Class of Worker | PW |
| Hours Worked | 49 |
| Income (1939) | 785 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| 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
Head · 1940 · age 42 · b. ~1898 · Michigan
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — St.-Joseph-County, Michigan
Open full size
1940 US Federal Census — St.-Joseph-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01817-00895)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lewis D. Brandt | 24 | Lodger | State Trooper | Michigan |
| 2 | Joseph Svoke | 26 | Lodger | State Trooper | Michigan |
| 3 | James W. Weiers | 29 | Lodger | State Trooper | Michigan |
| 4 | Robert Deyo | 25 | Lodger | State Trooper | Michigan |
| 5 | William B. Jacobs THIS PERSON | 42 | Head | Paper Maker | Indiana |
| 6 | Edith M. Jacobs | 40 | Wife | — | Indiana |
| 7 | Elmer Jacobs | 21 | Son | Paper Maker | Indiana |
| 8 | Roy Jacobs | 19 | Son | — | Indiana |
| 9 | Clifford Jacobs | 15 | Son | — | Indiana |
| 10 | Melvin Jacobs | 14 | Son | — | Michigan |
| 11 | Mildred Jacobs | 14 | Daughter | — | Michigan |
| 12 | Richard Jacobs | 13 | Son | — | Michigan |
| 13 | Lindy Jacobs | 11 | Son | — | Michigan |
| 14 | June Jacobs | 12 | Daughter | — | Michigan |
| 15 | Marie Jacobs | 9 | Daughter | — | Michigan |
| 16 | David Jacobs | 7 | Son | — | Michigan |
| 17 | Dale Jacobs | 7 | Son | — | Michigan |
| 18 | Fred Eagly | 62 | Head | Farmer | Indiana |
| 19 | Jessie Eagly | 58 | Wife | — | New York |
| 20 | Sam Miller | 44 | Head | Farmer | Indiana |
| 21 | Birdine Miller | 52 | Wife | — | Unknown |
| 22 | Henry Miller | 16 | Son | — | Michigan |
| 23 | Abram Mock | 57 | Head | Farmer | Indiana |
| 24 | Idah Mock | 55 | Wife | — | Indiana |
| 25 | Hillis Mock | 17 | Daughter | — | Indiana |
| 26 | Orris Mock | 23 | Son | Paper Maker | Indiana |
| 27 | Clifford Packard | 26 | Lodger | Farm Laborer | Michigan |
| 28 | Henry Schmidt | 73 | Head | — | Germany |
| 29 | Emma Schmidt | 72 | Wife | — | Indiana |
| 30 | David O. Miller | 36 | Head | Farmer | Indiana |
| 31 | Martha Miller | 35 | Wife | — | Indiana |
| 32 | Homer Miller | 14 | Son | — | Indiana |
| 33 | Vera Miller | 10 | Daughter | — | Michigan |
| 34 | Alvin Yoder | 30 | Bro-in-law | Tree Pruner | Indiana |
| 35 | Mary Yoder | 23 | Sis-in-law | — | Indiana |
| 36 | Irma Yoder | 7 | Niece | — | Michigan |
| 37 | Frank Head Almasi | 42 | Head | Paper Maker | New Jersey |
| 38 | Mary Almasi | 35 | Wife | — | Michigan |
| 39 | Frank K. Almasi | 15 | Son | — | Michigan |
| 40 | Caroline Almasi | 14 | Daughter | — | Michigan |
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)