JK
John Kaufman — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sebastian-County, Arkansas
Our Model Tree links this John Kaufman across the 1920, 1930 and 1940 US Censuses in Sebastian-County, Arkansas (XGBoost, ~Confirmed) — first a head (b.~1898), then head of a 6-person household.
Age 42
b. ~1898
Male
Head
Born: Arkansas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Sebastian-County, Arkansas |
| Surname | Kaufman |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Arkansas |
| 1935 Residence (City) | Fort Smith |
| 1935 Residence (County) | Sebastian |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | Wholesale Gro. |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 736 |
| Highest Grade | 1 |
| 1935 Residence | Arkansas |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
| Occupation | Truck Driver |
| Township / Ward | Ft Smith City |
| Est. Birth Year | ~1898 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Margaret Kaufman | Daughter | — | 12 | ~1928 |
| Mary Kaufman | Spouse | — | 41 | ~1899 |
| John Kaufman | Head | — | 42 | ~1898 |
| Burl Kaufman | Son | — | 2 | ~1938 |
| Johnnie Kaufman | Son | — | 15 | ~1925 |
| Sarah Kaufman | Daughter | — | 19 | ~1921 |
Census Appearances
1920
Sebastian, Arkansas
Head, age 21
Sebastian, Arkansas · implied b. ~1899 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kaufman |
| Given Name | John |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Arkansas |
| Father's Birthplace | Germany |
| Mother's Birthplace | Illinois |
| Occupation | Salesman |
| Industry | Grocery Store |
| Class of Worker | W |
| Can Read | No |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Home Owned/Rented | R |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
1930
Sebastian, Arkansas
Head, age 32
Sebastian, Arkansas · implied b. ~1898 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kaufman |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Arkansas |
| Age at First Marriage | 21 |
| Father's Birthplace | United States |
| Mother's Birthplace | Illinois |
| Occupation | Steam fitter |
| Industry | Plumbing shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 20 |
| Radio Set | R |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
1940
Sebastian-County, Arkansas
Head, age 42
Sebastian-County, Arkansas · implied b. ~1898 — 6 household members
| Surname | Kaufman |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Arkansas |
| 1935 Residence (City) | Fort Smith |
| 1935 Residence (County) | Sebastian |
| Occupation | Truck Driver |
| Industry | Wholesale Gro. |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 736 |
| Highest Grade | 1 |
| 1935 Residence | Arkansas |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
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 Kaufman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Kaufman
Head · 1940 · age 42 · b. ~1898 · Arkansas
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Sebastian-County, Arkansas
Open full size
1940 US Federal Census — Sebastian-County, Arkansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00175-00363)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Shirley Faith Horn | 5 | Child | — | Oklahoma |
| 42 | Willie M. Thompson | 32 | Head | Truck Driver | Arkansas |
| 43 | Nannie M. Thompson | 25 | Wife | — | Texas |
| 44 | Willie W. Thompson | 0 | Son | — | Arkansas |
| 45 | Willie A. Maulden | 55 | Father in law | Clerk | Texas |
| 46 | Lillie M. Maulden | 53 | Mother in law | — | Texas |
| 47 | Blanche Maulden | 22 | Sister in law | — | Texas |
| 48 | Sarah Lou Maulden | 11 | Sister in law | — | Arkansas |
| 49 | David R. Maulden | 19 | Brother in law | Warehouse Man | Arkansas |
| 50 | Leota R. Maulden | 20 | Sister in law | Printer | Arkansas |
| 51 | Ruth Ann Maulden | 2 | Niece | — | Arkansas |
| 52 | Minnie Sexton | 48 | Wife | — | Missouri |
| 53 | Martin L. Sexton | 55 | Head | Electrician | Texas |
| 54 | Ethel D. Sexton | 8 | Son | — | Arkansas |
| 55 | Faith H. Gallaher | 28 | Daughter | Bookkeeper | Arkansas |
| 56 | W. Ernest Farrar | 47 | Head | Owner | Oklahoma |
| 57 | Dot Farrar | 43 | Wife | — | Oklahoma |
| 58 | Frank J. Carrier | 65 | Head | Cafe Owner | Indiana |
| 59 | Cora E. Carrier | 56 | Wife | Cook | Pennsylvania |
| 60 | Muriel J. Mayfield | 46 | Niece | Waitress | Oklahoma |
| 61 | Ernest W. Payne | 56 | Head | Tool Checker | Arkansas |
| 62 | Laura L. Payne | 56 | Wife | Cook | Kansas |
| 63 | Roy E. Payne | 17 | Son | Clerk | Arkansas |
| 64 | Ellen C. Payne | 20 | Daughter | Waitress | Oklahoma |
| 65 | Walter L. Batchlor | 34 | Head | Laborer | Arkansas |
| 66 | Cora S. Batchlor | 37 | Wife | — | Arkansas |
| 67 | Mary Helen Batchlor | 11 | Daughter | — | Arkansas |
| 68 | Tommy J. Batchlor | 5 | Child | — | Arkansas |
| 69 | Frank Vinson | 34 | Brother in law | Presser | Arkansas |
| 70 | Charlie F. Spencer | 57 | Head | Clerk-Owner | Arkansas |
| 71 | Cora T. Spencer | 57 | Wife | Clerk | Missouri |
| 72 | John Kaufman THIS PERSON | 42 | Head | Truck Driver | Arkansas |
| 73 | Mary E. Kaufman | 41 | Wife | — | Arkansas |
| 74 | Sarah L. Kaufman | 19 | Daughter | New Worker | Arkansas |
| 75 | Johnnie M. Kaufman | 15 | Son | Delivery Boy | Arkansas |
| 76 | Margaret J. Kaufman | 12 | Daughter | — | Texas |
| 77 | Burl E. Kaufman | 2 | Son | — | Arkansas |
| 78 | Hugh L. Ziggers | 32 | Head | Mechanic-Owner | Arkansas |
| 79 | Sadie L. Ziggers | 33 | Wife | — | Arkansas |
| 80 | Ralph D. J. Ziggers | 11 | Son | — | Arkansas |
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)