JH
John Harvey — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Dallas-County, Iowa
Our Model Tree links this John Harvey across the 1930 and 1940 US Censuses in Dallas-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1900), then head of a 9-person household.
Age 40
b. ~1900
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Dallas-County, Iowa |
| Surname | Harvey |
| Given Name | John W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Occupation | Florist |
| Industry | Floriculture |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 462 |
| Highest Grade | H-3 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Florist |
| Township / Ward | Van Meter Township |
| Est. Birth Year | ~1900 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| June Harvey | Daughter | — | 13 | ~1927 |
| Joyce Harvey | Daughter | — | 16 | ~1924 |
| Gladys Harvey | Daughter | — | 4 | ~1936 |
| Alice Harvey | Daughter | — | 6 | ~1934 |
| Coleen Harvey | Daughter | — | 11 | ~1929 |
| John Harvey | Head | — | 40 | ~1900 |
| Robert Harvey | Son | — | 15 | ~1925 |
| Don Harvey | Son | — | 2 | ~1938 |
| Agnes Harvey | Spouse | — | 37 | ~1903 |
Census Appearances
1930
Dallas, Iowa
Head, age 30
Dallas, Iowa · implied b. ~1900 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harvey |
| Given Name | John W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 22 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Iowa |
| Occupation | Farmer |
| Industry | Truck farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 15 |
| Radio Set | R |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Dallas-County, Iowa
Head, age 40
Dallas-County, Iowa · implied b. ~1900 — 9 household members
| Surname | Harvey |
| Given Name | John W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Polk |
| Occupation | Florist |
| Industry | Floriculture |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 462 |
| Highest Grade | H-3 |
| 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 Harvey across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Harvey
Head · 1940 · age 40 · b. ~1900 · Iowa
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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 — Dallas-County, Iowa
Open full size
1940 US Federal Census — Dallas-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01153-00689)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ina E Allen | 28 | Wife | — | Iowa |
| 2 | Marilyn P Allen | 6 | Daughter | — | Iowa |
| 3 | Shirley Allen | 4 | Daughter | — | Iowa |
| 4 | Caroline A Mcclurg | 54 | Head | — | Iowa |
| 5 | Herbert D Mcclurg | 33 | Son | Truck Operator | Iowa |
| 6 | Rose A Mcclurg | 16 | Daughter | — | Iowa |
| 7 | John W Harvey THIS PERSON | 40 | Head | Florist | Iowa |
| 8 | Agnes M Harvey | 37 | Wife | — | Iowa |
| 9 | Joyce A Harvey | 16 | Daughter | — | Iowa |
| 10 | Robert E Harvey | 15 | Son | — | Iowa |
| 11 | June M Harvey | 13 | Daughter | — | Iowa |
| 12 | Coleen S Harvey | 11 | Daughter | — | Iowa |
| 13 | Alice Harvey | 6 | Daughter | — | Iowa |
| 14 | Gladys V Harvey | 4 | Daughter | — | Iowa |
| 15 | Don R Harvey | 2 | Son | — | Iowa |
| 16 | Lloyd C Duke | 46 | Head | Farmer | Iowa |
| 17 | Leona K Duke | 44 | Wife | — | Iowa |
| 18 | Richard D Duke | 17 | Son | — | Iowa |
| 19 | Joann F Duke | 11 | Daughter | — | Iowa |
| 20 | A. C. Smith | 53 | Head | Farmer | Iowa |
| 21 | Mary Smith | 49 | Wife | — | Iowa |
| 22 | Hazel Smith | 17 | Daughter | — | Iowa |
| 23 | Margaret Smith | 13 | Daughter | — | Iowa |
| 24 | Mary Anne Smith | 10 | Daughter | — | Iowa |
| 25 | Robert Smith | 14 | Son | — | Iowa |
| 26 | William J Garrison | 68 | Head | Farmer | Iowa |
| 27 | L. Dean Garrison | 62 | Wife | Farmer | Iowa |
| 28 | Ray W Devore | 58 | Head | — | Kan |
| 29 | Lina L Devore | 56 | Wife | Mailer | Ill |
| 30 | John Devore | 19 | Son | — | Iowa |
| 31 | Extra Line | None | — | — | — |
| 32 | Alford J Smith | 25 | Head | Farmer | Iowa |
| 33 | Opal S Smith | 23 | Wife | — | Iowa |
| 34 | Ronald J Smith | 1 | Son | — | Iowa |
| 35 | John X Goodson | 45 | Head | Farmer | Iowa |
| 36 | Florence A Goodson | 43 | Wife | — | Iowa |
| 37 | James E Goodson | 23 | Son | Laborer | Iowa |
| 38 | Donald E Goodson | 19 | Son | Laborer | Iowa |
| 39 | Betty M Goodson | 17 | Daughter | — | Iowa |
| 40 | Louise M Goodson | 15 | Daughter | — | Iowa |
Related Census Records
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)