JB
John Berg — 1940 US Census Record
Model Tree available1940 United States Federal Census · Butler-County, Kansas
Our Model Tree links this John Berg across the 1920, 1930 and 1940 US Censuses in Butler-County, Kansas (XGBoost, ~Confirmed), with identified parents Jacob & Annie — first a son (b.~1905), then head of a 5-person household.
Age 35
b. ~1905
Male
Son
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Butler-County, Kansas |
| Surname | Berg |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Butler |
| Additional Details | |
| Occupation | Farming |
| Class of Worker | OA |
| Hours Worked | 52 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Kansas |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Farming |
| Township / Ward | Fairmount Township |
| Est. Birth Year | ~1905 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Annie Berg | Spouse | — | 58 | ~1882 |
| Louise Berg | Daughter | — | 33 | ~1907 |
| Jacob Berg | Head | — | 60 | ~1880 |
| John Berg | Son | — | 35 | ~1905 |
| Catherine Berg | Daughter | — | 37 | ~1903 |
Census Appearances
1920
Butler, Kansas
Son, age 15
Butler, Kansas · implied b. ~1905 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Berg |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Germany |
| Mother's Birthplace | Kansas |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Butler, Kansas
Son, age 25
Butler, Kansas · implied b. ~1905 — 18 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Berg |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Germany |
| Mother's Birthplace | Kansas |
| Occupation | Laborer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Butler-County, Kansas
Son, age 35
Butler-County, Kansas · implied b. ~1905 — 5 household members
| Surname | Berg |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Butler |
| Occupation | Farming |
| Class of Worker | OA |
| Hours Worked | 52 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Kansas |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 John Berg across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Jacob Berg (~0.92 confidence) and mother Annie Berg (~0.92 confidence) and mother Minnie Berg (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jacob Berg
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Annie Berg
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Minnie Berg
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Berg
Son · 1940 · age 35 · b. ~1905 · Kansas
★ You are viewing this record
Sibling
Louise Berg
Sibling · 1940 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Berg
Sibling · 1940 · age 37
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 — Butler-County, Kansas
Open full size
1940 US Federal Census — Butler-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01222-00627)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dorothy M Gronau | 28 | Wife | Housekeeper | Kansas |
| 2 | Agnes M Gronau | 7 | Daughter | — | Kansas |
| 3 | Henry A Jr Gronau | 5 | Son | — | Kansas |
| 4 | Albert Harms | 41 | Head | Farmer | Kansas |
| 5 | Emma Harms | 39 | Wife | — | Kansas |
| 6 | Willis R Harms | 17 | Son | — | Kansas |
| 7 | Henry C Harms | 67 | Head | — | Russia |
| 8 | Peter C Harms | 70 | Brother | Plasterer | Russia |
| 9 | Herman W Everett | 56 | Head | Farmer | Kansas |
| 10 | Margaret Everett | 55 | Wife | — | Kansas |
| 11 | Verna Herber | 42 | Head | 45 | Kansas |
| 12 | Leo N Herber | 16 | Son | — | Kansas |
| 13 | Bettie J Herber | 14 | Daughter | — | Kansas |
| 14 | Leonia Herber | 10 | Daughter | — | Kansas |
| 15 | Harold D Herber | 4 | Son | — | Kansas |
| 16 | Henry D Fast | 63 | Head | Farmer | Germany |
| 17 | Bertha Fast | 51 | Wife | — | Kansas |
| 18 | Marie E Fast | 23 | Daughter | Housekeeper | Kansas |
| 19 | Martha G Fast | 19 | Daughter | — | Kansas |
| 20 | Jacob Dirck | 55 | Head | Farmer | Kansas |
| 21 | Helena J Dirck | 43 | Wife | — | Kansas |
| 22 | Abraham E Dirck | 21 | Son | — | Kansas |
| 23 | Carl H Dirck | 17 | Son | Public School | Kansas |
| 24 | Helena M Dirck | 15 | Daughter | — | Kansas |
| 25 | Elsie L Dirck | 11 | Daughter | — | Kansas |
| 26 | Margerite R Dirck | 9 | Daughter | — | Kansas |
| 27 | Jacob Berg | 60 | Head | — | Germany |
| 28 | Annie Berg | 58 | Wife | Housekeeper | Kansas |
| 29 | Catherine Berg | 37 | Daughter | — | Kansas |
| 30 | John J Berg THIS PERSON | 35 | Son | Farming | Kansas |
| 31 | Louise Berg | 33 | Daughter | — | Kansas |
| 32 | Erich Penner | 39 | Head | — | Germany |
| 33 | Gerda Penner | 32 | Wife | — | Kansas |
| 34 | Walter A Penner | 8 | Son | — | Kansas |
| 35 | Alice M Penner | 6 | Daughter | — | Kansas |
| 36 | Gladdis M Penner | 6 | Daughter | — | Kansas |
| 37 | Irvin R Penner | 4 | Son | — | Kansas |
| 38 | Burkhardt H Thieke | 31 | Head | — | Kansas |
| 39 | Margaretha H Thieke | 25 | Wife | Housekeeper | Kansas |
| 40 | Phyllis A Thieke | 3 | Daughter | — | Kansas |
Pedigree Summary
John + 2 siblings
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)