HG
Helen Graham — 1940 US Census Record
Model Tree available1940 United States Federal Census · Polk-County, Iowa
Our Model Tree links this Helen Graham across the 1920, 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed), with identified parents Benner & Renau — first a daughter (b.~1913), then head of a 3-person household.
Age 27
b. ~1913
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Iowa |
| Surname | Graham |
| Given Name | Helen |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Mitchellville town |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Dept. store office |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 900 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Stenographer |
| Township / Ward | Mitchellville Town |
| Est. Birth Year | ~1913 |
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 |
|---|---|---|---|---|
| B Graham | Head | — | 59 | ~1881 |
| Daisy Graham | Spouse | — | 60 | ~1880 |
| Helen Graham | Daughter | — | 27 | ~1913 |
Census Appearances
1920
Polk, Iowa
Daughter, age 6
Polk, Iowa · implied b. ~1914 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Graham |
| Given Name | Helen V. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Polk, Iowa
Daughter, age 17
Polk, Iowa · implied b. ~1913 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Graham |
| Given Name | Helen V |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Polk-County, Iowa
Daughter, age 27
Polk-County, Iowa · implied b. ~1913 — 3 household members
| Surname | Graham |
| Given Name | Helen |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Mitchellville town |
| 1935 Residence (County) | Polk |
| Occupation | Stenographer |
| Industry | Dept. store office |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 900 |
| Highest Grade | Hs 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 Graham across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Benner Graham (~0.92 confidence) and father Renau Graham (~0.92 confidence) and mother Daisy Graham (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Benner Graham
b. ~1881
Source father
● Household
· direct · ~0.92
Father
Renau Graham
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Daisy Graham
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Graham
Daughter · 1940 · age 27 · b. ~1913 · 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 — 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-t0627-01192-00029)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Harold Marmon | 50 | head | Deputy Clerk Co. Court | Nebraska |
| 42 | Mary Marmon | 48 | wife | — | Iowa |
| 43 | James Marmon | 15 | son | — | Iowa |
| 44 | Glenn Storms | 44 | head | Foreman | Iowa |
| 45 | Gertrude Storms | 41 | wife | — | Iowa |
| 46 | Norma Storms | 20 | daughter | — | Iowa |
| 47 | Darrell Storms | 17 | son | Labor | Iowa |
| 48 | De Storms | 11 | son | — | Iowa |
| 49 | Joan Storms | 10 | daughter | — | Iowa |
| 50 | Fred Tomlinson | 70 | head | Has Been A Painter | New York |
| 51 | Lizzie Tomlinson | 77 | wife | — | Iowa |
| 52 | Ella Downs | 74 | head | House Work | Iowa |
| 53 | B. G. Graham | 59 | head | Dealer | Iowa |
| 54 | Daisy Graham | 60 | wife | — | Iowa |
| 55 | Helen Graham THIS PERSON | 27 | daughter | Stenographer | Iowa |
| 56 | Merlin Craig | 45 | head | Fireman | Iowa |
| 57 | Rhoda Craig | 45 | wife | — | Iowa |
| 58 | Bertus Craig | 21 | son | Truck Driving | Iowa |
| 59 | Ella Mae Craig | 14 | daughter | — | Iowa |
| 60 | Wendell Craig | 18 | son | — | Iowa |
| 61 | Lester Craig | 16 | son | — | Iowa |
| 62 | Monroe Rarick | 74 | head | — | Iowa |
| 63 | Jennie Rarick | 64 | wife | — | Iowa |
| 64 | Harry Boyles | 66 | head | — | Iowa |
| 65 | Lorne Craig | 47 | head | Supervisor | Iowa |
| 66 | Helen Craig | 19 | daughter | Office Help | Iowa |
| 67 | Alice Paul | 78 | mother | — | Iowa |
| 68 | Mary Downey | 62 | head | — | Iowa |
| 69 | Cecil Mcnew | 18 | grandson | — | Iowa |
| 70 | John Grant | 66 | head | Manager Farm Owned By Sister In Bitter Root | Illinois |
| 71 | Clarence Parker | 54 | head | Disabled Soldier | Indiana |
| 72 | Bertha Parker | 57 | wife | — | Iowa |
| 73 | Guiles Butler | 49 | head | Carpenter & Painting. Hopes To Be Well Enough To Work Next Month | Iowa |
| 74 | Grace Butler | 36 | wife | — | Iowa |
| 75 | Katherine Mcfall | 17 | step-daughter | — | Iowa |
| 76 | Peggy Butler | 7 | daughter | — | Iowa |
| 77 | Dorothy Butler | 4 | daughter | — | Iowa |
| 78 | Ronny Butler | 2 | son | — | Iowa |
| 79 | Floyd Bishop | 30 | head | Post Master Small Town | Iowa |
| 80 | Helen Bishop | 28 | wife | — | 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)