JB
John Berg — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Kansas
Our Model Tree links this John Berg across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Kansas (XGBoost, ~Confirmed), with identified parents Charles & D — first a head (b.~1902), then head of a 5-person household.
Age 38
b. ~1902
Male
Head
Born: Kansas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kansas |
| Surname | Berg |
| Given Name | John |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Kaw twp |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Kansas |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Farmer |
| Township / Ward | Kaw Twp |
| Est. Birth Year | ~1902 |
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 |
|---|---|---|---|---|
| Charles Berg | Other | — | 72 | ~1868 |
| Ora Berg | Spouse | — | 35 | ~1905 |
| Mary Berg | Daughter | — | 1 | ~1939 |
| John Berg | Head | — | 38 | ~1902 |
| Alice Berg | Daughter | — | 8 | ~1932 |
Census Appearances
1920
Jefferson, Kansas
Son, age 17
Jefferson, Kansas · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Berg |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Jefferson, Kansas
Son, age 27
Jefferson, Kansas · implied b. ~1903 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Berg |
| Given Name | John F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Can Read/Write | Yes |
| Veteran | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Jefferson-County, Kansas
Head, age 38
Jefferson-County, Kansas · implied b. ~1902 — 5 household members
| Surname | Berg |
| Given Name | John |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Kaw twp |
| 1935 Residence (County) | Jefferson |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| 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 Charles Berg (~0.92 confidence) and father D Berg (~0.92 confidence) and mother Elizabeth Berg (~0.92 confidence) and mother Elizabeth Berg (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Berg
b. ~1868
Source father
● Household
· direct · ~0.92
Father
D Berg
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Berg
b. ~1869
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Berg
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Berg
Head · 1940 · age 38 · b. ~1902 · Kansas
★ 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 — Jefferson-County, Kansas
Open full size
1940 US Federal Census — Jefferson-County, Kansas
Page Contents
20 people indexed on this census page (nara:1940:m-t0627-01236-00095)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Grace Rice | 17 | daughter | House Keeper | Kansas |
| 2 | Edna Rice | 15 | daughter | Unpaid Member | Kansas |
| 3 | Carter P. Frenchir|Frenchie | 54 | head | Farmer | Kansas |
| 4 | Paden Frenchir|Frenchie | 52 | wife | Housewife | Kansas |
| 5 | Lloyd Cole | 44 | head | Farmer | Kansas |
| 6 | Bessie Cole | 34 | wife | Housewife | Kansas |
| 7 | Dewayne Cole | 8 | son | — | Kansas |
| 8 | Phylis Cole | 5 | daughter | — | Kansas |
| 9 | Norman Cole | 3 | son | — | Kansas |
| 10 | John Berg THIS PERSON | 38 | head | Farmer | Kansas |
| 11 | Ora Berg | 35 | wife | Housewife | Kansas |
| 12 | Alice Berg | 8 | daughter | — | Kansas |
| 13 | Mary Mae Berg | 1 | daughter | — | Kansas |
| 14 | Charles H. Berg | 72 | father | Farmer | Ohio |
| 15 | Clarence Berg | 44 | head | Farmer | Kansas |
| 16 | Edna Berg | 35 | wife | Housewife | Kansas |
| 17 | Carl Berg | 13 | son | — | Kansas |
| 18 | Clyde Berg | 3 | son | — | Kansas |
| 19 | Edward Seckie|Leckie | 58 | head | Farmer | Georgia |
| 20 | Lea Seckie|Leckie | 59 | wife | Housewife | Tennessee |
Pedigree Summary
John
Gen 1 · 4 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)