CS
Calvin Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Crawford-County, Kansas
Our Model Tree links this Calvin Smith across the 1920, 1930 and 1940 US Censuses in Crawford-County, Kansas (XGBoost, ~Confirmed), with identified parents F & Lulu — first a head (b.~1901), then head of a 4-person household.
Age 39
b. ~1901
Male
Head
Born: Kansas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Crawford-County, Kansas |
| Surname | Smith |
| Given Name | Calvin |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Arma city |
| 1935 Residence (County) | Crawford |
| Additional Details | |
| Occupation | Salesman |
| Industry | Oil Company |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Salesman |
| Township / Ward | Arma City |
| Est. Birth Year | ~1901 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Calvin | Age | Birth yr |
|---|---|---|---|---|
| Hazel Smith | Spouse | — | 37 | ~1903 |
| Glenn Smith | Son | — | 2 | ~1938 |
| Gene Smith | Son | — | 10 | ~1930 |
| Calvin Smith | Head | — | 39 | ~1901 |
Census Appearances
1920
Crawford, Kansas
Son, age 19
Crawford, Kansas · implied b. ~1901 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Calvin |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Kansas |
| Occupation | laborer |
| Industry | coal mine |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Crawford, Kansas
Head, age 29
Crawford, Kansas · implied b. ~1901 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Calvin L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Kansas |
| Age at First Marriage | 26 |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Kansas |
| Occupation | Salesman |
| Industry | Oil Refinery Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 500 |
| Radio Set | R |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Crawford-County, Kansas
Head, age 39
Crawford-County, Kansas · implied b. ~1901 — 4 household members
| Surname | Smith |
| Given Name | Calvin |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Arma city |
| 1935 Residence (County) | Crawford |
| Occupation | Salesman |
| Industry | Oil Company |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 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 Calvin Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father F Smith (~0.92 confidence) and mother Lulu Smith (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
F Smith
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Lulu Smith
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Calvin Smith
Head · 1940 · age 39 · b. ~1901 · Kansas
★ 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 — Crawford-County, Kansas
Open full size
1940 US Federal Census — Crawford-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01227-01111)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Paul D. Martin | 39 | Head | Coal Miner | Missouri |
| 42 | Elizabeth Martin | 15 | Daughter | — | Kansas |
| 43 | Charles Aubrey | 26 | Head | Laborer | Kansas |
| 44 | Marjorie Aubrey | 23 | Wife | — | Kansas |
| 45 | Charles J. Aubrey | 0 | Son | — | Kansas |
| 46 | Fernand Loth | 42 | Head | Truck Driver | Kansas |
| 47 | Etta Loth | 50 | Wife | — | Kansas |
| 48 | William Dell'Antonia | 30 | Head | Laborer | Kansas |
| 49 | Viola Dell'Antonia | 23 | Wife | — | Kansas |
| 50 | Buddy J. Dell'Antonia | 7 | Son | — | Missouri |
| 51 | Jerry E. Greer | 3 | Nephew | — | Kansas |
| 52 | Eli Ducreux | 54 | Head | Coal Miner | France |
| 53 | Della Ducreux | 50 | Wife | — | Missouri |
| 54 | Raymond Ducreux | 28 | Son | City Clerk | Kansas |
| 55 | Herman Ducreux | 25 | Son | Assessor | Kansas |
| 56 | Matt Lipasek | 32 | Head | Coal Miner | Austria |
| 57 | Alida Lipasek | 30 | Wife | — | Kansas |
| 58 | Frank Caputo | 67 | Head | — | Italy |
| 59 | Ernest Rendaci | 45 | Head | Coal Miner | Italy |
| 60 | Rosie Rendaci | 39 | Wife | — | Italy |
| 61 | Santa Fortino | 23 | Step-son | Coal Miner | Kansas |
| 62 | Tommy Fortino | 21 | Step-son | Coal Miner | Kansas |
| 63 | Harold Fouts | 35 | Head | Laborer | Missouri |
| 64 | Pauline Fouts | 29 | Wife | — | Austria |
| 65 | Delores J. Fouts | 4 | Daughter | — | Kansas |
| 66 | Calvin Smith THIS PERSON | 39 | Head | Salesman | Kansas |
| 67 | Hazel Smith | 37 | Wife | — | Kansas |
| 68 | Gene L. Smith | 10 | Son | — | Kansas |
| 69 | Glenn C. Smith | 2 | Son | — | Kansas |
| 70 | Lida M. Hudson | 57 | Head | — | Iowa |
| 71 | James Chiappetta | 45 | Head | Coal Miner | Italy |
| 72 | Rose Chiappetta | 33 | Wife | — | Italy |
| 73 | Frank Chiappetta | 8 | Son | — | Kansas |
| 74 | John Reger | 26 | Head | Laborer | Kansas |
| 75 | Florence Reger | 24 | Wife | — | Kansas |
| 76 | Shirlene Turner | 7 | Step-daughter | — | Kansas |
| 77 | Joann Reger | 0 | Daughter | — | Kansas |
| 78 | Lulu Bonnell | 57 | Head | Housekeeper | West Virginia |
| 79 | Edith Dorsey | 50 | Head | Seamstress | Kansas |
| 80 | Eloise Johnson | 31 | Daughter | New Worker | Kansas |
Pedigree Summary
Calvin
Gen 1 · 2 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)