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Mary Lang — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mcdonald-County, Missouri
Our Model Tree links this Mary Lang across the 1930 and 1940 US Censuses in Mcdonald-County, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 7-person household.
Age 15
b. ~1925
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mcdonald-County, Missouri |
| Surname | Lang |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Elkhorn Twp |
| 1935 Residence (County) | Mc Donald |
| Additional Details | |
| Occupation | Housework |
| Industry | Own home |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Housework |
| Township / Ward | Elkhorn Twp |
| Est. Birth Year | ~1925 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Lang | Daughter | — | 15 | ~1925 |
| Zac Lang | Head | — | 36 | ~1904 |
| Alice Lang | Daughter | — | 9 | ~1931 |
| Billie Lang | Son | — | 13 | ~1927 |
| L Lang | Son | — | 3 | ~1937 |
| Nella Lang | Spouse | — | 35 | ~1905 |
| Opal Lang | Daughter | — | 19 | ~1921 |
Census Appearances
1930
Mcdonald, Missouri
Daughter, age 5
Mcdonald, Missouri · implied b. ~1925 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Long |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Mcdonald-County, Missouri
Daughter, age 15
Mcdonald-County, Missouri · implied b. ~1925 — 7 household members
| Surname | Lang |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Elkhorn Twp |
| 1935 Residence (County) | Mc Donald |
| Occupation | Housework |
| Industry | Own home |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Lang
Daughter · 1940 · age 15 · b. ~1925 · Missouri
★ You are viewing this record
Sibling
L Lang
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Opal Lang
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Billie Lang
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Lang
Sibling · 1940 · age 9
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 — Mcdonald-County, Missouri
Open full size
1940 US Federal Census — Mcdonald-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02126-00130)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Rosa V. Link | 51 | Wife | H | Arkansas |
| 2 | Ruth Link | 28 | Daughter | Housekeeping | Missouri |
| 3 | Geo. Everett Baker | 31 | Head | Farming | Missouri |
| 4 | Nara M. Baker | 31 | Wife | H | Missouri |
| 5 | Billie D. Baker | 5 | Son | — | Missouri |
| 6 | Bobby G. Baker | 1 | Son | — | Missouri |
| 7 | Jeff G. Hinton | 77 | Head | H | Illinois |
| 8 | Julia C. Hinton | 75 | Wife | H | Missouri |
| 9 | Jasper W. Evans | 39 | Head | Laborer | Arkansas |
| 10 | Zula O. Evans | 39 | Wife | H | Kansas |
| 11 | Eugene E. Evans | 18 | Son | Laborer | Kansas |
| 12 | Marjorie Evans | 15 | Daughter | Housework | Kansas |
| 13 | Billie W. Evans | 13 | Son | — | Missouri |
| 14 | Walter J. Evans | 9 | Son | — | Missouri |
| 15 | Elma M. Evans | 9 | Daughter | — | Missouri |
| 16 | Wilma J. Evans | 4 | Daughter | — | Arkansas |
| 17 | Cleavy K. Evans | 1 | Son | — | Missouri |
| 18 | F. Luther | 20 | Son | Laborer | Kansas |
| 19 | B. Caroline | 18 | Daughter | H | Arkansas |
| 20 | R. Dale | 3 | Grandson | — | Arkansas |
| 21 | Edwin R. Sowers | 22 | Head | Farming | Missouri |
| 22 | Agnes E. Sowers | 21 | Wife | H | Kansas |
| 23 | Jerry K. Sowers | 1 | Son | — | Missouri |
| 24 | Roy E. Whittington | 32 | Head | Laborer | Oklahoma |
| 25 | Eileen M. Whittington | 23 | Wife | H | Missouri |
| 26 | Roslyn S. Whittington | 5 | Daughter | — | Missouri |
| 27 | Shirley M. Whittington | 3 | Daughter | — | Missouri |
| 28 | Arlene S. Whittington | 0 | Daughter | — | Missouri |
| 29 | Lawrence Naramore | 49 | Head | Merchant | Missouri |
| 30 | Price I. Naramore | 20 | Son | Merchant | Missouri |
| 31 | Caroline M. Naramore | 22 | Sister-in-law | H | Missouri |
| 32 | Virgil M. Naramore | 3 | Grandson | — | Missouri |
| 33 | Zac A. Lang | 36 | Head | Farming | Missouri |
| 34 | Nella J. Lang | 35 | Wife | H | Missouri |
| 35 | Opal J. Lang | 19 | Daughter | Housework | Missouri |
| 36 | Mary E. Lang THIS PERSON | 15 | Daughter | Housework | Missouri |
| 37 | Billie J. Lang | 13 | Son | — | Missouri |
| 38 | Alice M. Lang | 9 | Daughter | — | Missouri |
| 39 | L. C. Lang | 3 | Son | — | Missouri |
| 40 | William S. Utter | 54 | Head | Farming | Missouri |
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)