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Robert Jacobs — 1940 US Census Record
Model Tree available1940 United States Federal Census · Manistee-County, Michigan
Our Model Tree links this Robert Jacobs across the 1920, 1930 and 1940 US Censuses in Manistee-County, Michigan (XGBoost, ~Confirmed), with identified parents Charles & Charles — first a son (b.~1916), then head of a 2-person household.
Age 24
b. ~1916
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Manistee-County, Michigan |
| Surname | Jacobs |
| Given Name | Robert R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Stronach Twp |
| 1935 Residence (County) | Manistee |
| Additional Details | |
| Occupation | Laborer |
| Industry | House painting |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 140 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Laborer |
| Township / Ward | Stronach Twp |
| Est. Birth Year | ~1916 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Jacobs | Son | — | 24 | ~1916 |
| Charles Jacobs | Head | — | 68 | ~1872 |
Census Appearances
1920
Manistee, Michigan
Son, age 5
Manistee, Michigan · implied b. ~1915 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jacobs |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Manistee, Michigan
Son, age 14
Manistee, Michigan · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jacobs |
| Given Name | Robert M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Manistee-County, Michigan
Son, age 24
Manistee-County, Michigan · implied b. ~1916 — 2 household members
| Surname | Jacobs |
| Given Name | Robert R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Stronach Twp |
| 1935 Residence (County) | Manistee |
| Occupation | Laborer |
| Industry | House painting |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 140 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Robert Jacobs across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Jacobs (~0.92 confidence) and father Charles Jacobs (~0.92 confidence) and mother Dela Jacobs (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Jacobs
b. ~1870
Source father
● Household
· direct · ~0.92
Father
Charles Jacobs
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Dela Jacobs
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Jacobs
Son · 1940 · age 24 · b. ~1916 · Michigan
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Manistee-County, Michigan
Open full size
1940 US Federal Census — Manistee-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01785-00531)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ross Goszcak | 73 | Head | — | Hungary |
| 2 | Ida E Goszcak | 55 | Wife | — | Penn |
| 3 | George Bruce | 20 | Head | Laborer | Michigan |
| 4 | Leota Bruce | 19 | Wife | — | Michigan |
| 5 | Arnold Y Krumroy | 43 | Head | Hammer Man | Michigan |
| 6 | Linda G Krumroy | 41 | Wife | — | Michigan |
| 7 | Wade Krumroy | 17 | Son | — | Michigan |
| 8 | Wilbert Krumroy | 15 | Son | — | Michigan |
| 9 | Harry W Cross | 29 | Head | Hammer Man | Indiana |
| 10 | Beatrice Cross | 28 | Wife | — | Michigan |
| 11 | Joan M Cross | 8 | Daughter | — | Michigan |
| 12 | Harry H Cross | 1 | Son | — | Michigan |
| 13 | Linda Bruce | 48 | Head | — | Michigan |
| 14 | Albert Bacon | 21 | Stepson | Ccc | Michigan |
| 15 | Annabel Bacon | 15 | Daughter | — | Michigan |
| 16 | Arthur Bacon | 12 | Son | — | Michigan |
| 17 | Lawrence Bacon | 7 | Son | — | Michigan |
| 18 | Frank J Lakes | 47 | Head | Truck Driver | Michigan |
| 19 | Helen C Lakes | 42 | Wife | — | Michigan |
| 20 | Gerald D Baker | 18 | Son | New Worker | Michigan |
| 21 | Regina M Baker | 16 | Daughter | — | Michigan |
| 22 | Nancy J Baker | 3 | Daughter | — | Michigan |
| 23 | Henry F Lindeman | 29 | Head | Paper Maker | Michigan |
| 24 | Agnes C Lindeman | 27 | Wife | — | Michigan |
| 25 | Richard Lindeman | 5 | Son | — | Michigan |
| 26 | Frances Moser | 58 | Mother-in-law | — | Germany |
| 27 | Harvey Lindeman | 27 | Head | Laborer | Michigan |
| 28 | Doris Lindeman | 30 | Wife | — | Ohio |
| 29 | Robert Lindeman | 4 | Son | — | Michigan |
| 30 | Larry Lindeman | 1 | Son | — | Michigan |
| 31 | Ralph L Jacobs | 32 | Head | Truck Driver | Ohio |
| 32 | Margaret R Jacobs | 24 | Wife | — | Colorado |
| 33 | Ralph M Jacobs | 5 | Son | — | Colorado |
| 34 | Barbara J Jacobs | 0 | Daughter | — | Michigan |
| 35 | Charles L Jacobs | 68 | Head | Stone Cutter | Ohio |
| 36 | Robert R Jacobs THIS PERSON | 24 | Son | Laborer | Ohio |
| 37 | Reinhold Raachki | 46 | Head | Section Hand | Michigan |
| 38 | Helen L Raachki | 46 | Wife | Machine Operator | Michigan |
| 39 | Harold Raachki | 14 | Son | — | Michigan |
| 40 | Laine Raachki | 5 | Daughter | — | Michigan |
Pedigree Summary
Robert
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)