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Joe Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Linn-County, Kansas
Our Model Tree links this Joe Smith across the 1920, 1930 and 1940 US Censuses in Linn-County, Kansas (XGBoost, ~Confirmed), with identified parents Ralph & Joe — first a son (b.~1918), then head of a 3-person household.
Age 22
b. ~1918
Male
Son
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Linn-County, Kansas |
| Surname | Smith |
| Given Name | Joe |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Linn |
| Additional Details | |
| Occupation | laborer |
| Industry | saw mill |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 260 |
| Highest Grade | No 8 |
| 1935 Residence | Kansas |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Laborer |
| Township / Ward | Valley |
| Est. Birth Year | ~1918 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joe | Age | Birth yr |
|---|---|---|---|---|
| Joe Smith | Head | — | 52 | ~1888 |
| Joe Smith | Son | — | 22 | ~1918 |
| Roy Smith | Son | — | 16 | ~1924 |
Census Appearances
1920
Linn, Kansas
Son, age 2
Linn, Kansas · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Joe |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Kansas |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Linn, Kansas
Son, age 12
Linn, Kansas · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Joe H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Kansas |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Linn-County, Kansas
Son, age 22
Linn-County, Kansas · implied b. ~1918 — 3 household members
| Surname | Smith |
| Given Name | Joe |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Linn |
| Occupation | laborer |
| Industry | saw mill |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 260 |
| 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 Joe Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ralph Smith (~0.92 confidence) and father Joe Smith (~0.92 confidence) and father Joe Smith (~0.92 confidence) and mother Maud Smith (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ralph Smith
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Joe Smith
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Joe Smith
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Maud Smith
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joe Smith
Son · 1940 · age 22 · b. ~1918 · Kansas
★ You are viewing this record
Sibling
Roy Smith
Sibling · 1940 · age 16
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 — Linn-County, Kansas
Open full size
1940 US Federal Census — Linn-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01241-00611)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jake Doland | 66 | brother | Laborer | Illinois |
| 42 | Nancy Doland | 62 | sister | — | Illinois |
| 43 | Effie Calvin | 55 | head | — | Iowa |
| 44 | Opal Martin | 30 | lodger | Grade School Teacher | Kansas |
| 45 | Fred Shaw | 60 | head | Maintainer Road Grader | Kansas |
| 46 | Cora Shaw | 55 | wife | — | Missouri |
| 47 | Gladys Shaw | 18 | daughter | — | Missouri |
| 48 | Martin Ganda | 38 | head | Laborer | France |
| 49 | Charles Purdy | 52 | head | Laborer | Missouri |
| 50 | Leola Purdy | 48 | wife | — | Kansas |
| 51 | Clorce Purdy | 22 | son | Laborer | Kansas |
| 52 | Ted Purdy | 14 | son | — | Kansas |
| 53 | Cleo Purdy | 11 | daughter | — | Kansas |
| 54 | Dela May Purdy | 7 | daughter | — | Kansas |
| 55 | Bobbie Purdy | 6 | son | — | Kansas |
| 56 | Ruby Purdy | 3 | daughter | — | Kansas |
| 57 | Robert W. Stoughton | 49 | head | Inspector | Kansas |
| 58 | Eva Stoughton | 47 | wife | — | Kansas |
| 59 | Hattie Merkle | 66 | mother-in-law | — | Missouri |
| 60 | Douglas B. Davis | 49 | partner | Farmer | Arkansas |
| 61 | Edward H. Malay | 67 | head | Inspector | Kansas |
| 62 | Joe A. Smith | 52 | head | Laborer | Missouri |
| 63 | Joe Smith THIS PERSON | 22 | son | Laborer | Kansas |
| 64 | Roy Smith | 16 | son | Farmer | Kansas |
| 65 | John H. Smith | 55 | head | Laborer | Missouri |
| 66 | Nora Smith | 47 | wife | — | Nebraska |
| 67 | William Smith | 20 | son | Cook | Missouri |
| 68 | Le Roy Smith | 17 | son | Laborer | Missouri |
| 69 | Martha Smith | 14 | daughter | — | Missouri |
| 70 | Viola Smith | 11 | daughter | — | Kansas |
| 71 | Levi Smith | 6 | son | — | Kansas |
| 72 | Clifford Jackson | 52 | head | Farmer | Kansas |
| 73 | Clara Jackson | 32 | wife | — | Kansas |
| 74 | David Jackson | 0 | son | — | Kansas |
| 75 | Maretta Brinke | 10 | step-daughter | — | Missouri |
| 76 | Fred H. Small | 38 | head | Farmer | Kansas |
| 77 | Josephine Small | 19 | wife | — | Kansas |
| 78 | Elizabeth Small | 80 | mother | — | Missouri |
| 79 | Walter Smith | 58 | head | Farmer | Indiana |
| 80 | Ella V. Smith | 50 | wife | — | Kansas |
Pedigree Summary
Joe + 1 sibling
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)