FS
Fred Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Doniphan-County, Kansas
Our Model Tree links this Fred Smith across the 1920, 1930 and 1940 US Censuses in Doniphan-County, Kansas (XGBoost, ~Confirmed), with identified parents George & George — first a head (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Male
Head
Born: Kansas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Doniphan-County, Kansas |
| Surname | Smith |
| Given Name | Fred B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Iowa Twp |
| 1935 Residence (County) | Doniphan |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 72 |
| Income (1939) | 500 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Farmer |
| Township / Ward | Iowa Twp |
| Est. Birth Year | ~1915 |
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 Fred | Age | Birth yr |
|---|---|---|---|---|
| Fred Smith | Head | — | 25 | ~1915 |
| Ned Smith | Son | — | 1 | ~1939 |
| Myrl Smith | Spouse | — | 22 | ~1918 |
Census Appearances
1920
Doniphan, Kansas
Son, age 5
Doniphan, Kansas · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Fred B |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Kansas |
| Occupation | none |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Doniphan, Kansas
Son, age 15
Doniphan, Kansas · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Fred B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Kansas |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Doniphan-County, Kansas
Head, age 25
Doniphan-County, Kansas · implied b. ~1915 — 3 household members
| Surname | Smith |
| Given Name | Fred B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Iowa Twp |
| 1935 Residence (County) | Doniphan |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 72 |
| Income (1939) | 500 |
| Highest Grade | C 2 |
| 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 Fred Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Smith (~0.92 confidence) and father George Smith (~0.92 confidence) and mother Verna Smith (~0.92 confidence) and mother Velma Smith (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Smith
b. ~1880
Source father
● Household
· direct · ~0.92
Father
George Smith
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Verna Smith
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Velma Smith
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Fred Smith
Head · 1940 · age 25 · b. ~1915 · 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 — Doniphan-County, Kansas
Open full size
1940 US Federal Census — Doniphan-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01229-00177)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Earl Ashworth | 39 | Head | Farm Laborer | Kansas |
| 2 | Helen Ashworth | 32 | Wife | — | Kansas |
| 3 | Evelyn Ashworth | 15 | daughter | — | Kansas |
| 4 | Jean Ashworth | 13 | daughter | — | Kansas |
| 5 | Elmer Ashworth | 12 | son | — | Kansas |
| 6 | Ronald Ashworth | 5 | son | — | Kansas |
| 7 | Susie Ashworth | 1 | daughter | — | Kansas |
| 8 | Robert Manthe | 38 | Head | Farm Laborer | Missouri |
| 9 | Eva Manthe | 35 | wife | — | Kansas |
| 10 | Mabel Manthe | 17 | daughter | — | Kansas |
| 11 | Anna Manthe | 15 | daughter | — | Kansas |
| 12 | Grace Manthe | 13 | daughter | — | Kansas |
| 13 | Evinna Manthe | 11 | daughter | — | Kansas |
| 14 | Richard Manthe | 4 | son | — | Kansas |
| 15 | Christina Manthe | 1 | daughter | — | Kansas |
| 16 | George Prawl | 41 | Head | Farmer | Missouri |
| 17 | Enid Prawl | 44 | Wife | — | Kansas |
| 18 | Emil Prawl | 17 | son | — | Kansas |
| 19 | Eldon Prawl | 6 | son | — | Kansas |
| 20 | Elizabeth Ketcham | 72 | mother-in-law | — | Delaware |
| 21 | William B. Walters | 73 | Head | Farmer | Kentucky |
| 22 | Ada Walters | 72 | Wife | — | Connecticut |
| 23 | Jabez B. Nuzum | 73 | Head | Farmer | Kansas |
| 24 | Laura Nuzum | 72 | Wife | — | Kansas |
| 25 | Ora Pierce | 65 | sister-in-law | — | Kansas |
| 26 | Fred B. Smith THIS PERSON | 25 | Head | Farmer | Kansas |
| 27 | Myrl Smith | 22 | Wife | — | Kansas |
| 28 | Ned Gene Smith | 1 | son | — | Kansas |
| 29 | Floyd B. Shaffer | 48 | Head | Farmer | Kansas |
| 30 | Flora Shaffer | 49 | Wife | — | Kansas |
| 31 | Loreta Shaffer | 16 | daughter | — | Kansas |
| 32 | Idella Shaffer | 14 | daughter | — | Kansas |
| 33 | Bert Griffin | 63 | Head | Farmer | Indiana |
| 34 | Alla Griffin | 57 | Wife | — | Kansas |
| 35 | Bertrum Griffin | 19 | son | Farm Labor | Kansas |
| 36 | Wilbur B. Holly | 75 | Head | Farmer | Virginia |
| 37 | Ollie Holly | 67 | Wife | — | Kansas |
| 38 | Ruth Holly | 44 | daughter | Seamstress | Kansas |
| 39 | George Holly | 42 | son | Farmer | Kansas |
| 40 | Hattie Holly | 39 | daughter | — | Kansas |
Pedigree Summary
Fred
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)