GJ
George Jacobs — 1940 US Census Record
Model Tree available1940 United States Federal Census · Clayton-County, Iowa
Our Model Tree links this George Jacobs across the 1920, 1930 and 1940 US Censuses in Clayton-County, Iowa (XGBoost, ~Confirmed), with identified parents George & Sophia — first a son (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Clayton-County, Iowa |
| Surname | Jacobs |
| Given Name | George |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Guttenberg Town |
| 1935 Residence (County) | Clayton |
| Additional Details | |
| Occupation | Lineman |
| Industry | Elec. Line Const. |
| Class of Worker | PW |
| Income (1939) | 400 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Lineman |
| Township / Ward | Guttenberg Town |
| Est. Birth Year | ~1915 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to George | Age | Birth yr |
|---|---|---|---|---|
| Anna Pink | Head | — | 52 | ~1888 |
| Stanley Jacobs | Son | — | 32 | ~1908 |
| George Jacobs | Son | — | 25 | ~1915 |
Census Appearances
1920
Clayton, Iowa
Son, age 5
Clayton, Iowa · implied b. ~1915 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jacobs |
| Given Name | George J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Clayton, Iowa
Son, age 15
Clayton, Iowa · implied b. ~1915 — 49 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jacobs |
| Given Name | George |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Clayton-County, Iowa
Son, age 25
Clayton-County, Iowa · implied b. ~1915 — 3 household members
| Surname | Jacobs |
| Given Name | George |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Guttenberg Town |
| 1935 Residence (County) | Clayton |
| Occupation | Lineman |
| Industry | Elec. Line Const. |
| Class of Worker | PW |
| Income (1939) | 400 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 George Jacobs across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Jacobs (~0.92 confidence) and mother Sophia Jacobs (~0.92 confidence) and mother Anna Pink (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Jacobs
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Sophia Jacobs
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Anna Pink
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
George Jacobs
Son · 1940 · age 25 · b. ~1915 · Iowa
★ You are viewing this record
Sibling
Stanley Jacobs
Sibling · 1940 · age 32
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 — Clayton-County, Iowa
Open full size
1940 US Federal Census — Clayton-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01149-00375)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Leo J. Meyer | 2 | Son | — | Iowa |
| 2 | Harold E. Wolter | 35 | Head | Car Salesman | Iowa |
| 3 | Barbara M. Wolter | 36 | Wife | — | Iowa |
| 4 | Rosemary G. Wolter | 12 | Daughter | — | Iowa |
| 5 | Laverne M. Wolter | 11 | Son | — | Iowa |
| 6 | Alois H. Wolter | 8 | Son | — | Iowa |
| 7 | Loren R. Wolter | 6 | Son | — | Iowa |
| 8 | Duwane A. Wolter | 3 | Son | — | Iowa |
| 9 | Harold J. Wolter | 1 | Son | — | Iowa |
| 10 | Ida R. Adams | 22 | Daughter | New Worker | Iowa |
| 11 | Kenneth W. Radamacher | 18 | Brother | Janitor | Iowa |
| 12 | William Borrett | 68 | Nephew | — | Iowa |
| 13 | Jessie Borrett | 61 | Niece | — | Iowa |
| 14 | Donald Moser | 13 | Gr. Nephew | — | Iowa |
| 15 | Curtis Moser | 11 | Gr. Nephew | — | Iowa |
| 16 | Joseph H. Felder | 77 | Father | — | Wisconsin |
| 17 | Harold Lindell | 25 | Lodger | Air Letter | Iowa |
| 18 | Ray R. Wolter | 30 | Head | Tractor Operator | Colorado |
| 19 | Vera A. Wolter | 22 | Wife | — | Iowa |
| 20 | Robert A. Wolter | 2 | Son | — | Iowa |
| 21 | Ethel Mae Noble | 23 | Lodger | Teacher | Iowa |
| 22 | Henry F. Buechel | 50 | Head | Mail Carrier | Iowa |
| 23 | Rose M. Buechel | 48 | Wife | — | Iowa |
| 24 | Eunice S. Buechel | 23 | Daughter | Bookkeeper | Iowa |
| 25 | Rita M. Buechel | 17 | Daughter | Stenographer | Iowa |
| 26 | Louis H. Buechel | 15 | Daughter | — | Iowa |
| 27 | James H. Buechel | 13 | Son | — | Iowa |
| 28 | William R. Buechel | 9 | Son | — | Iowa |
| 29 | Cathrine Tinkey | 65 | Head | — | Iowa |
| 30 | Anna Schroeder | 65 | Head | — | Iowa |
| 31 | Zella Ruth Eckert | 21 | Daughter | — | Iowa |
| 32 | John F. Moore | 4 | Grandson | — | Iowa |
| 33 | Anna Pink | 52 | Head | — | Iowa |
| 34 | Stanley W. Jacobs | 32 | Son | Lineman | Iowa |
| 35 | George Jacobs THIS PERSON | 25 | Son | Lineman | Iowa |
| 36 | Lena M. Niemeyer | 56 | Head | — | Iowa |
| 37 | Abdelia Niemeyer | 34 | Daughter | Finisher | Iowa |
| 38 | Milton E. Niemeyer | 30 | Son | Proprietor | Iowa |
| 39 | James E. Niemeyer | 6 | Grandson | — | Iowa |
| 40 | Edward J. Cromay | 41 | Lodger | Lockman | Wisconsin |
Pedigree Summary
George + 1 sibling
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)