HL
Helen Lee — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hardin-County, Iowa
Our Model Tree links this Helen Lee across the 1920, 1930 and 1940 US Censuses in Hardin-County, Iowa (XGBoost, ~Confirmed), with identified parents Nels & Tena — first a daughter (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hardin-County, Iowa |
| Surname | Lee |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Concord |
| 1935 Residence (County) | Hardin |
| Additional Details | |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 500 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Teacher |
| Township / Ward | Concord |
| Est. Birth Year | ~1915 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Helen Lee | Daughter | — | 25 | ~1915 |
| Tena Lee | Spouse | — | 50 | ~1890 |
| Nels Lee | Head | — | 57 | ~1883 |
Census Appearances
1920
Hardin, Iowa
Daughter, age 4
Hardin, Iowa · implied b. ~1916 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lee |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Hardin, Iowa
Daughter, age 14
Hardin, Iowa · implied b. ~1916 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lee |
| Given Name | Helen O. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Hardin-County, Iowa
Daughter, age 25
Hardin-County, Iowa · implied b. ~1915 — 3 household members
| Surname | Lee |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Concord |
| 1935 Residence (County) | Hardin |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 500 |
| Highest Grade | C 2 |
| 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 Lee across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Nels Lee (~0.92 confidence) and mother Tena Lee (~0.92 confidence) and mother Tena Lee (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Nels Lee
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Tena Lee
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Tena Lee
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Lee
Daughter · 1940 · age 25 · b. ~1915 · 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 — Hardin-County, Iowa
Open full size
1940 US Federal Census — Hardin-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01165-00107)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Helen Pittman | 4 | Daughter | — | Iowa |
| 42 | Elaine Pittman | 2 | Daughter | — | Iowa |
| 43 | Joseph Q. Ogden | 37 | Head | Farmer | Kansas |
| 44 | Bernice Ogden | 32 | Wife | Housework | Iowa |
| 45 | Arthur Ogden | 13 | Son | — | Iowa |
| 46 | Katherine Ogden | 11 | Daughter | — | Iowa |
| 47 | Dorothy Ogden | 9 | Daughter | — | Iowa |
| 48 | James Ogden | 7 | Son | — | Iowa |
| 49 | Ronald Ogden | 5 | Son | — | Iowa |
| 50 | Donald Ogden | 5 | Son | — | Iowa |
| 51 | Hansel Larson | 23 | Head | Farmer | Iowa |
| 52 | Carol Larson | 19 | Wife | Housework | Iowa |
| 53 | Nels O. Lee | 57 | Head | Farmer | Iowa |
| 54 | Tena Lee | 50 | Wife | Housework | Iowa |
| 55 | Helen Lee THIS PERSON | 25 | Daughter | Teacher | Iowa |
| 56 | Andrew Vigum | 57 | Head | Farmer | Norway |
| 57 | Sarah Vigum | 60 | Wife | Housework | Iowa |
| 58 | Andrew Jr. Vigum | 32 | Son | Farmer | Iowa |
| 59 | Orville Haugen | 12 | Nephew | — | Iowa |
| 60 | Osmund Helgeland | 47 | Head | Farmer | Norway |
| 61 | Ada Helgeland | 47 | Wife | Housework | Iowa |
| 62 | Sarah Helgeland | 18 | Daughter | Housework | Iowa |
| 63 | Esther Helgeland | 14 | Daughter | Housework | Iowa |
| 64 | Annie L. Helgeland | 12 | Daughter | — | Iowa |
| 65 | Gilbert Helgeland | 9 | Son | — | Iowa |
| 66 | Susan Helgeland | 5 | Daughter | — | Iowa |
| 67 | Andrew Yelta | 39 | Head | Farmer | Iowa |
| 68 | Malinda Yelta | 31 | Wife | Housework | Iowa |
| 69 | Joan Yelta | 5 | Daughter | — | Iowa |
| 70 | Arnold Yelta | 3 | Son | — | Iowa |
| 71 | Margaret Yelta | 2 | Daughter | — | Iowa |
| 72 | Harold Yelta | 0 | Son | — | Iowa |
| 73 | Andrew Thompson | 29 | Head | Farmer | Iowa |
| 74 | Arlene Thompson | 26 | Wife | Housework | Iowa |
| 75 | Irene Thompson | 4 | Daughter | — | Iowa |
| 76 | Gary Thompson | 3 | Son | — | Iowa |
| 77 | Barbara Thompson | 1 | Daughter | — | Iowa |
| 78 | Robert Thompson | 0 | Daughter | — | Iowa |
| 79 | T. B. Tweedt | 65 | Head | Farmer | Illinois |
| 80 | Jane Tweedt | 63 | Wife | Housework | Iowa |
Pedigree Summary
Helen
Gen 1 · 3 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)