HJ
Harriet Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Polk-County, Iowa
Our Model Tree links this Harriet Johnson across the 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 7-person household.
Age 18
b. ~1922
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Iowa |
| Surname | Johnson |
| Given Name | Harriet |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Saylorville If. |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Saylorville If |
| Est. Birth Year | ~1922 |
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 Harriet | Age | Birth yr |
|---|---|---|---|---|
| Flossie Johnson | Spouse | — | 42 | ~1898 |
| Harriet Johnson | Daughter | — | 18 | ~1922 |
| Dewayne Johnson | Son | — | 7 | ~1933 |
| Gale Johnson | Son | — | 10 | ~1930 |
| Maxine Johnson | Daughter | — | 16 | ~1924 |
| Emma Johnson | Daughter | — | 13 | ~1927 |
| Harry Johnson | Head | — | 44 | ~1896 |
Census Appearances
1930
Polk, Iowa
Daughter, age 8
Polk, Iowa · implied b. ~1922 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Harrett L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Polk-County, Iowa
Daughter, age 18
Polk-County, Iowa · implied b. ~1922 — 7 household members
| Surname | Johnson |
| Given Name | Harriet |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Saylorville If. |
| 1935 Residence (County) | Polk |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| 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 Harriet Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Harriet Johnson
Daughter · 1940 · age 18 · b. ~1922 · Iowa
★ You are viewing this record
Sibling
Dewayne Johnson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emma Johnson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gale Johnson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maxine Johnson
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 — Polk-County, Iowa
Open full size
1940 US Federal Census — Polk-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01192-00528)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elmer Miller | 31 | son | Farm Work | Iowa |
| 42 | Iris Miller | 16 | daughter | — | Iowa |
| 43 | Billy Miller | 15 | daughter | — | Iowa |
| 44 | Lee Dicker | 75 | Head | Farming | Iowa |
| 45 | Mary Dicker | 69 | Wife | — | Iowa |
| 46 | Ray Johnson | 34 | Head | Retail Grocery | Iowa |
| 47 | Laraaine Johnson | 27 | Wife | — | Iowa |
| 48 | Marvin Johnson | 5 | son | — | Iowa |
| 49 | Kendal Johnson | 1 | son | — | Iowa |
| 50 | Ellen Patterson | 17 | Sister-in-law | Grocery Clerk | Iowa |
| 51 | Clinton Maery | 64 | Head | Fruit Pedler | Iowa |
| 52 | Murriel Maery | 50 | Wife | — | Iowa |
| 53 | Clinton Jr. Maery | 14 | son | — | Iowa |
| 54 | William Maery | 10 | son | — | Iowa |
| 55 | Gloria Maery | 5 | daughter | — | Iowa |
| 56 | Mrs. Minnie Johnson | 70 | Head | — | Indiana |
| 57 | Ed Berry | 48 | Lodger | Laborer | California |
| 58 | Harry Johnson | 44 | Head | Farming | Iowa |
| 59 | Flossie Johnson | 42 | Wife | — | Iowa |
| 60 | Harriet Johnson THIS PERSON | 18 | daughter | — | Iowa |
| 61 | Maxine Johnson | 16 | daughter | — | Iowa |
| 62 | Emma Lee Johnson | 13 | daughter | — | Iowa |
| 63 | Gale Johnson | 10 | son | — | Iowa |
| 64 | Dewayne Johnson | 7 | son | — | Iowa |
| 65 | David Johnson | 32 | Head | Iron Worker | Iowa |
| 66 | Elsie Johnson | 31 | Wife | — | Iowa |
| 67 | Donald Johnson | 7 | son | — | Iowa |
| 68 | Robert Johnson | 5 | son | — | Iowa |
| 69 | Melvin Johnson | 3 | son | — | Iowa |
| 70 | Leon Cunningham | 1 | son | — | Iowa |
| 71 | Tom Crawford | 34 | Head | Mine Smith | Iowa |
| 72 | Eunice Crawford | 33 | Wife | — | Iowa |
| 73 | Tom Jr. Crawford | 12 | son | — | Iowa |
| 74 | James Crawford | 5 | son | — | Iowa |
| 75 | Outringer C. Cell | 30 | Head | — | Iowa |
| 76 | Creola Cell | 26 | Wife | — | Iowa |
| 77 | Merlyn Cell | 2 | son | — | Iowa |
| 78 | Wayne Cell | 1 | son | — | Iowa |
| 79 | I. F. Haus | 23 | Head | Farming | Iowa |
| 80 | Enid Haus | 21 | 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)