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John Best — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Greene-County, Iowa
Our Model Tree links this John Best across the 1930 and 1940 US Censuses in Greene-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1908), then head of a 7-person household.
Age 32
b. ~1908
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Greene-County, Iowa |
| Surname | Best |
| Given Name | John F |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Carroll |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 520 |
| Highest Grade | H-4 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farmer |
| Township / Ward | Kendrick Township |
| Est. Birth Year | ~1908 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| David Best | Son | — | 5 | ~1935 |
| Agnes Best | Daughter | — | 3 | ~1937 |
| John Best | Son | — | 9 | ~1931 |
| Patty Best | Daughter | — | 7 | ~1933 |
| Billie Best | Son | — | 10 | ~1930 |
| Bernice Best | Spouse | — | 23 | ~1917 |
| John Best | Head | — | 32 | ~1908 |
Census Appearances
1930
Carroll, Iowa
Head, age 23
Carroll, Iowa · implied b. ~1907 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Best |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 22 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Farmer |
| Industry | Gen Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Greene-County, Iowa
Head, age 32
Greene-County, Iowa · implied b. ~1908 — 7 household members
| Surname | Best |
| Given Name | John F |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Carroll |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 520 |
| Highest Grade | H-4 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Best across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Best
Head · 1940 · age 32 · b. ~1908 · Iowa
★ 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 — Greene-County, Iowa
Open full size
1940 US Federal Census — Greene-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01162-00826)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Agnes M Tegarden | 44 | Wife | — | Iowa |
| 2 | Dorothy J Tegarden | 15 | Daughter | — | Iowa |
| 3 | Anita L Tegarden | 6 | Daughter | — | Iowa |
| 4 | John F Best THIS PERSON | 32 | Head | Farmer | Iowa |
| 5 | Bernice M Best | 23 | Wife | — | Iowa |
| 6 | Billie Best | 10 | Son | — | Iowa |
| 7 | John D Best | 9 | Son | — | Iowa |
| 8 | Patty Ann Best | 7 | Daughter | — | Iowa |
| 9 | David Lee Best | 5 | Son | — | Iowa |
| 10 | Agnes Louise Best | 3 | Daughter | — | Iowa |
| 11 | Russell M White | 24 | Head | Farmer | Iowa |
| 12 | Ann M White | 24 | Wife | — | Iowa |
| 13 | Betty Ann White | 3 | Daughter | — | Iowa |
| 14 | Wayne Loudenback | 43 | Head | Farmer | Iowa |
| 15 | Roberta Loudenback | 32 | Wife | — | Kansas |
| 16 | Grace Van Sickle | 63 | Mother-in-law | — | Indiana |
| 17 | Glenn D Thyne | 22 | Head | Farmer | Iowa |
| 18 | Fern Thyne | 20 | Wife | — | Iowa |
| 19 | Verle J Smith | 31 | Head | Farmer | Iowa |
| 20 | Ruby C Smith | 29 | Wife | — | Iowa |
| 21 | William A Smith | 11 | Son | — | Iowa |
| 22 | Robert L Smith | 7 | Son | — | Iowa |
| 23 | Gloria Ann Smith | 5 | Daughter | — | Iowa |
| 24 | Charles E Loudenback | 28 | Head | Farmer | Iowa |
| 25 | Ruth B Loudenback | 31 | Wife | — | Iowa |
| 26 | Robert J Smith | 48 | Head | Missionary | Iowa |
| 27 | Bertha P Smith | 45 | Wife | — | Iowa |
| 28 | Esther R Smith | 13 | Daughter | — | Iowa |
| 29 | Naomi Smith | 10 | Daughter | — | Iowa |
| 30 | James C Shannon | 65 | Head | — | Iowa |
| 31 | Robert Matheny | 44 | Lodger | Laborer | Iowa |
| 32 | Harold W Smith | 45 | Head | Laborer | Iowa |
| 33 | Ralph W Loudenback | 42 | Head | Farmer | Iowa |
| 34 | Clara M Loudenback | 42 | Wife | — | Iowa |
| 35 | Robert B Loudenback | 14 | Son | — | Iowa |
| 36 | H. Maurice Loudenback | 26 | Head | Farmer | Iowa |
| 37 | Romayne S Loudenback | 1 | Son | — | Iowa |
| 38 | Barbara Ann Loudenback | 5 | Daughter | — | Iowa |
| 39 | Floyd W Thayer | 22 | Head | Farmer | Iowa |
| 40 | Jessie E Thayer | 22 | Wife | — | Iowa |
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)