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Helen Moore — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Woodbury-County, Iowa
Our Model Tree links this Helen Moore across the 1930 and 1940 US Censuses in Woodbury-County, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 8-person household.
Age 16
b. ~1924
Female
Daughter
Born: South Dakota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Woodbury-County, Iowa |
| Surname | Moore |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | South Dakota |
| 1935 Residence (City) | Sioux City |
| 1935 Residence (County) | Woodbury |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
| Township / Ward | Sioux City |
| Est. Birth Year | ~1924 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Helen Moore | Daughter | — | 16 | ~1924 |
| Betty Moore | Daughter | — | 7 | ~1933 |
| Dolores Milton | Daughter | — | 20 | ~1920 |
| Marie Moore | Head | — | 44 | ~1896 |
| Gerold Moore | Son | — | 9 | ~1931 |
| Ronald Moore | Son | — | 5 | ~1935 |
| Kenneth Moore | Son | — | 15 | ~1925 |
| George Moore | Son | — | 13 | ~1927 |
Census Appearances
1930
Woodbury, Iowa
Daughter, age 7
Woodbury, Iowa · implied b. ~1923 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Moore |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | South Dakota |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1940
Woodbury-County, Iowa
Daughter, age 16
Woodbury-County, Iowa · implied b. ~1924 — 8 household members
| Surname | Moore |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | South Dakota |
| 1935 Residence (City) | Sioux City |
| 1935 Residence (County) | Woodbury |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
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 Helen Moore across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Helen Moore
Daughter · 1940 · age 16 · b. ~1924 · Iowa
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Sibling
Dolores Milton
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Moore
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerold Moore
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Moore
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Moore
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ronald Moore
Sibling · 1940 · age 5
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 — Woodbury-County, Iowa
Open full size
1940 US Federal Census — Woodbury-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01215-00614)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alex Barrie | 78 | Head | — | Scotland |
| 2 | Zora Barrie | 55 | Wife | — | Iowa |
| 3 | Terza Benton | 84 | In-law | — | Pennsylvania |
| 4 | Axel Jensen | 42 | Head | — | Denmark |
| 5 | Thora Jensen | 39 | Wife | — | Denmark |
| 6 | Frank J Pape | 55 | Head | Conductor | Nebraska |
| 7 | Mary A Pape | 46 | Wife | — | Nebraska |
| 8 | Marin M Pape | 21 | Daughter | — | Same place |
| 9 | Marie Moore | 44 | Head | Maid | Iowa |
| 10 | Helen Moore THIS PERSON | 16 | Daughter | — | South Dakota |
| 11 | Kenneth Moore | 15 | Son | — | South Dakota |
| 12 | George Moore | 13 | Son | — | South Dakota |
| 13 | Gerold Moore | 9 | Son | — | Iowa |
| 14 | Betty Ann Moore | 7 | Daughter | — | Iowa |
| 15 | Ronald Moore | 5 | Son | — | Iowa |
| 16 | Dolores Milton | 20 | Daughter | — | South Dakota |
| 17 | Thomas Olson | 85 | Head | — | Norway |
| 18 | Katie Olson | 81 | Wife | — | Norway |
| 19 | George Olson | 41 | Son | — | Iowa |
| 20 | Roy Jones | 39 | Head | Night Watchman | Nebraska |
| 21 | Lois Jones | 27 | Wife | — | Iowa |
| 22 | Harold Jones | 11 | Son | — | Iowa |
| 23 | Norma Jones | 9 | Daughter | — | Nebraska |
| 24 | Darrel Jones | 6 | Son | — | Iowa |
| 25 | Darlene Jones | 6 | Daughter | — | Iowa |
| 26 | Guy Brown | 46 | Head | Farm Hand | Iowa |
| 27 | Frances Brown | 35 | Wife | — | Iowa |
| 28 | Deyo Lewis | 13 | Step Son | — | Iowa |
| 29 | Charles Marks | 61 | Head | Carpenter | Germany |
| 30 | Ruby Marks | 57 | Wife | Cook | Iowa |
| 31 | Raymond Marks | 27 | Son | Dairyman | South Dakota |
| 32 | Mildred Marks | 23 | In-law | — | Iowa |
| 33 | Donna Rae Marks | 3 | Grand Daughter | — | Iowa |
| 34 | Anna Hall | 49 | Head | — | Nebraska |
| 35 | Hazel Hall | 25 | Daughter | Stenographer | North Dakota |
| 36 | Patricia Hall | 19 | Daughter | Maid | Iowa |
| 37 | Maxine Hall | 15 | Daughter | — | Iowa |
| 38 | Betty Lou Hall | 13 | Daughter | — | Iowa |
| 39 | Blanche Hall | 11 | Daughter | — | Iowa |
| 40 | Helen Hall | 5 | 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)