JL
John Lang — 1940 US Census Record
Model Tree available1940 United States Federal Census · Brown-County, Ohio
Our Model Tree links this John Lang across the 1920, 1930 and 1940 US Censuses in Brown-County, Ohio (XGBoost, ~Confirmed), with identified parents Elizabeth — first a head (b.~1890), then head of a 5-person household.
Age 50
b. ~1890
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Brown-County, Ohio |
| Surname | Lang |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Lewis Twp. |
| 1935 Residence (County) | Brown |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 72 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Farmer |
| Township / Ward | Lewis Twp |
| Est. Birth Year | ~1890 |
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 |
|---|---|---|---|---|
| Rita Lang | Daughter | — | 14 | ~1926 |
| John Lang | Head | — | 50 | ~1890 |
| Richard Lang | Son | — | 13 | ~1927 |
| Ralph Lang | Son | — | 10 | ~1930 |
| Cora Lang | Spouse | — | 39 | ~1901 |
Census Appearances
1920
Brown, Ohio
Son, age 30
Brown, Ohio · implied b. ~1890 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lang |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Bavaria |
| Occupation | farmer |
| Industry | general |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Brown, Ohio
Head, age 40
Brown, Ohio · implied b. ~1890 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lang |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 35 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Germany |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Veteran | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Brown-County, Ohio
Head, age 50
Brown-County, Ohio · implied b. ~1890 — 5 household members
| Surname | Lang |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Lewis Twp. |
| 1935 Residence (County) | Brown |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 72 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Lang across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Elizabeth Lang (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Elizabeth Lang
b. ~1863
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Lang
Head · 1940 · age 50 · b. ~1890 · Ohio
★ 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 — Brown-County, Ohio
Open full size
1940 US Federal Census — Brown-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03031-00278)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Florence Gardner | 52 | Sister | — | Ohio |
| 2 | Charles Cooper | 49 | Head | Farmer | Kentucky |
| 3 | Carrie Cooper | 49 | Wife | — | Kentucky |
| 4 | Kathryn Cooper | 21 | Daughter | New Worker | Kentucky |
| 5 | Leslie Cooper | 19 | Son | Farmer | Kentucky |
| 6 | Jesse Pollitt | 55 | Hired Hand | Farm Laborer | Kentucky |
| 7 | Charles Loudon | 76 | Head | Farmer | Ohio |
| 8 | Margaret Prince | 37 | Housekeeper | House Keeper | Ohio |
| 9 | Gayle Metzger | 46 | Head | Farmer | Ohio |
| 10 | James N. Metzger | 77 | Father | — | Ohio |
| 11 | Addie Metzger | 72 | Mother | — | Ohio |
| 12 | Ethel Davidson | 40 | Servant | Servant | Ohio |
| 13 | Cecil Pollitt | 28 | Hired Hand | Farm Laborer | Kentucky |
| 14 | John Lang THIS PERSON | 50 | Head | Farmer | Ohio |
| 15 | Cora Lang | 39 | Wife | — | Ohio |
| 16 | Rita Mae Lang | 14 | Daughter | — | Ohio |
| 17 | Richard Lang | 13 | Son | — | Ohio |
| 18 | Ralph Lang | 10 | Son | — | Ohio |
| 19 | Kenneth Mcafee | 24 | Head | Farm Laborer | Ohio |
| 20 | Freda Mcafee | 24 | Wife | — | Ohio |
| 21 | Ruth Mcafee | 6 | Daughter | — | Ohio |
| 22 | Kenneth Jr. Mcafee | 4 | Son | — | Ohio |
| 23 | Carry Mcafee | 2 | Son | — | Ohio |
| 24 | Leslie Page | 24 | Head | Farm Laborer | Kentucky |
| 25 | Lucille Page | 21 | Wife | — | Kentucky |
| 26 | Lowell Page | 4 | Son | — | Kentucky |
| 27 | Raymond Page | 0 | Son | — | Kentucky |
| 28 | James H. Ritter | 66 | Head | Farmer | Ohio |
| 29 | Russell Ritter | 22 | Son | Farm Laborer | Ohio |
| 30 | Carl Ritter | 14 | Son | — | Ohio |
| 31 | Lawrence Evans | 43 | Head | Farmer | Kentucky |
| 32 | Wilfred Evans | 23 | Son | Farm Laborer | Kentucky |
| 33 | Maxine Evans | 18 | Daughter | — | Kentucky |
| 34 | Verna Evans | 14 | Daughter | — | Kentucky |
| 35 | Zella Evans | 12 | Daughter | — | Kentucky |
| 36 | Lawrence Jr. Evans | 10 | Son | — | Kentucky |
| 37 | Bulford Evans | 7 | Son | — | Kentucky |
| 38 | Ollie Mae Evans | 4 | Daughter | — | Kentucky |
| 39 | Ray L. Martin | 46 | Head | Farmer | Ohio |
| 40 | Martha Martin | 42 | Wife | — | Ohio |
Pedigree Summary
John
Gen 1 · 1 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)