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Helen Adams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Clay-County, Iowa
Our Model Tree links this Helen Adams across the 1920, 1930 and 1940 US Censuses in Clay-County, Iowa (XGBoost, ~Confirmed), with identified parents Aretus & Aretus — first a daughter (b.~1919), then head of a 7-person household.
Age 21
b. ~1919
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Clay-County, Iowa |
| Surname | Adams |
| Given Name | Helen N. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Douglas |
| 1935 Residence (County) | Clay |
| Additional Details | |
| Occupation | Office Worker |
| Industry | Coke Plant |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 150 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Office Worker |
| Township / Ward | Douglas |
| Est. Birth Year | ~1919 |
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 Helen | Age | Birth yr |
|---|---|---|---|---|
| Glennis Valentine | Daughter | — | 14 | ~1926 |
| Helen Adams | Daughter | — | 21 | ~1919 |
| Jean Adams | Daughter | — | 17 | ~1923 |
| Aretus Adams | Head | — | 48 | ~1892 |
| Dean Adams | Son | — | 18 | ~1922 |
| Kent Adams | Son | — | 6 | ~1934 |
| Grace Adams | Spouse | — | 44 | ~1896 |
Census Appearances
1920
Clay, Iowa
Daughter, age 1
Clay, Iowa · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | Helen A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Kansas |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Clay, Iowa
Daughter, age 11
Clay, Iowa · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | Hellen N. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Kansas |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Clay-County, Iowa
Daughter, age 21
Clay-County, Iowa · implied b. ~1919 — 7 household members
| Surname | Adams |
| Given Name | Helen N. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Douglas |
| 1935 Residence (County) | Clay |
| Occupation | Office Worker |
| Industry | Coke Plant |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 150 |
| Highest Grade | H 4 |
| 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 Helen Adams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Aretus Adams (~0.92 confidence) and father Aretus Adams (~0.92 confidence) and mother Grace Adams (~0.92 confidence) and mother Grace Adams (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Aretus Adams
b. ~1892
Source father
● Household
· direct · ~0.92
Father
Aretus Adams
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Grace Adams
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Grace Adams
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Adams
Daughter · 1940 · age 21 · b. ~1919 · Iowa
★ You are viewing this record
Sibling
Jean Adams
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Glennis Valentine
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kent Adams
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dean Adams
Sibling · 1940 · age 18
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 — Clay-County, Iowa
Open full size
1940 US Federal Census — Clay-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01148-00358)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Evan Reese | 65 | Head | Farming | Wisconsin |
| 42 | Gertrude Ellen Reese | 60 | Wife | Housewife | Indiana |
| 43 | D. W. Quillen | 35 | Head | Farm Laborer | Missouri |
| 44 | Erma Quillen | 36 | Wife | Housewife | Missouri |
| 45 | Chris Jensen | 72 | Head | Farmer | Denmark |
| 46 | Arthur Holger Jensen | 37 | Son | Farmer | Iowa |
| 47 | Dolly E. Jensen | 24 | Daughter in Law | Housewife | Iowa |
| 48 | Daphney Jensen | 30 | Daughter | Housekeeper | Iowa |
| 49 | Fred Eastman | 63 | Head | Farming | Illinois |
| 50 | Anna J. Eastman | 57 | Wife | Housewife | Illinois |
| 51 | Glen W. Igor | 26 | Head | Farm Laborer | Iowa |
| 52 | Elza M. Igor | 21 | Wife | Housewife | Iowa |
| 53 | Ronald Glenn Igor | 3 | Son | — | Iowa |
| 54 | Gaye Luann Igor | 1 | Daughter | — | Iowa |
| 55 | C. Aubrey Mitchell | 36 | Head | Farming | Iowa |
| 56 | Edith G. Mitchell | 38 | Wife | Housewife | Iowa |
| 57 | Marilyn Mitchell | 5 | Daughter | — | Iowa |
| 58 | Roland Mitchell | 3 | Son | — | Iowa |
| 59 | Barton Mitchell | 1 | Daughter | — | Iowa |
| 60 | Aretus A. Adams | 48 | Head | Farming | Nebraska |
| 61 | Grace H. Adams | 44 | Wife | Housewife | Iowa Kansas |
| 62 | Helen N. Adams THIS PERSON | 21 | Daughter | Office Worker | Iowa |
| 63 | Dean Dan Adams | 18 | Son | Farm Laborer | Iowa |
| 64 | Jean Adams | 17 | Daughter | Student | Iowa |
| 65 | Kent Adams | 6 | Son | — | Iowa |
| 66 | Glennis Valentine | 14 | Daughter | House Servant | Iowa |
| 67 | Bert Mills | 31 | Head | Farming | Iowa |
| 68 | Mabel M. Mills | 36 | Wife | Housewife | Pennsylvania |
| 69 | Duane A. Mills | 9 | Son | — | Iowa |
| 70 | Jean Mills | 8 | Daughter | — | Iowa |
| 71 | Ann Mills | 5 | Daughter | — | Iowa |
| 72 | Jerry Mills | 3 | Daughter | — | Iowa |
| 73 | Leroy Mills | 1 | Son | — | Iowa |
| 74 | Guy Mills | 38 | Head | Farming | Iowa |
| 75 | Dorothy Mills | 35 | Wife | Housewife | Iowa |
| 76 | Gloria Mills | 13 | Daughter | — | Iowa |
| 77 | Janet Mills | 6 | Daughter | — | Iowa |
| 78 | Judy Mills | 2 | Daughter | — | Iowa |
| 79 | Henry Rhodes | 78 | Father in Law | — | Indiana |
| 80 | Leo Dutton | 67 | Head | Farming | Iowa |
Pedigree Summary
Helen + 4 siblings
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)