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Mary Lang — 1940 US Census Record
Model Tree available1940 United States Federal Census · Barton-County, Kansas
Our Model Tree links this Mary Lang across the 1920, 1930 and 1940 US Censuses in Barton-County, Kansas (XGBoost, ~Confirmed), with identified parents Addie & Frank — first a daughter (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Female
Daughter
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Barton-County, Kansas |
| Surname | Lang |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Union Township |
| 1935 Residence (County) | Barton |
| Additional Details | |
| Industry | H |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Township / Ward | Union Township |
| Est. Birth Year | ~1917 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Frank Lang | Head | — | 57 | ~1883 |
| Addie Lang | Spouse | — | 54 | ~1886 |
| Ella Lang | Daughter | — | 27 | ~1913 |
| Catherine Lang | Daughter | — | 23 | ~1917 |
| Mary Lang | Daughter | — | 23 | ~1917 |
Census Appearances
1920
Barton, Kansas
Daughter, age 2
Barton, Kansas · implied b. ~1918 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lang |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Austria |
| Mother's Birthplace | Kansas |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Barton, Kansas
Daughter, age 13
Barton, Kansas · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lang |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Austria |
| Mother's Birthplace | Kansas |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Barton-County, Kansas
Daughter, age 23
Barton-County, Kansas · implied b. ~1917 — 5 household members
| Surname | Lang |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Union Township |
| 1935 Residence (County) | Barton |
| Industry | H |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Mary Lang across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Addie Lang (~0.92 confidence) and father Frank Lang (~0.92 confidence) and mother Addie Lang (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Addie Lang
b. ~1882
Source mother
● Household
· direct · ~0.92
Father
Frank Lang
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Addie Lang
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Lang
Daughter · 1940 · age 23 · b. ~1917 · Kansas
★ You are viewing this record
Sibling
Ella Lang
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Lang
Sibling · 1940 · age 23
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 — Barton-County, Kansas
Open full size
1940 US Federal Census — Barton-County, Kansas
Page Contents
5 people indexed on this census page (nara:1940:m-t0627-01220-00718)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank Lang | 57 | Head | Farmer | Austria |
| 2 | Addie Lang | 54 | Wife | — | Kansas |
| 3 | Ella Lang | 27 | Daughter | — | Kansas |
| 4 | Mary Lang THIS PERSON | 23 | Daughter | — | Kansas |
| 5 | Catherine Lang | 23 | Daughter | — | Kansas |
Pedigree Summary
Mary + 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)