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Helen Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Des-Moines-County, Iowa
Our Model Tree links this Helen Martin across the 1920, 1930 and 1940 US Censuses in Des-Moines-County, Iowa (XGBoost, ~Confirmed), with identified parents Jacob & Jacob — first a daughter (b.~1916), then head of a 4-person household.
Age 24
b. ~1916
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Des-Moines-County, Iowa |
| Surname | Martin |
| Given Name | Helen |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Burlington city |
| 1935 Residence (County) | Des Moines |
| Additional Details | |
| Occupation | Saleswoman |
| Industry | Ladies Furnishings |
| Class of Worker | PW |
| Income (1939) | 528 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Saleswoman |
| Township / Ward | Burlington City |
| Est. Birth Year | ~1916 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Helen Martin | Daughter | — | 24 | ~1916 |
| Jacob Martin | Head | — | 67 | ~1873 |
| Robert Martin | Son | — | 22 | ~1918 |
| Matilda Martin | Spouse | — | 61 | ~1879 |
Census Appearances
1920
Des Moines, …
Daughter, age 3
Des Moines, Iowa · implied b. ~1917 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Helen Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Des Moines, …
Daughter, age 14
Des Moines, Iowa · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Helen M |
| 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
Des-Moines-County, Iowa
Daughter, age 24
Des-Moines-County, Iowa · implied b. ~1916 — 4 household members
| Surname | Martin |
| Given Name | Helen |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Burlington city |
| 1935 Residence (County) | Des Moines |
| Occupation | Saleswoman |
| Industry | Ladies Furnishings |
| Class of Worker | PW |
| Income (1939) | 528 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| 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 Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Jacob Martin (~0.92 confidence) and father Jacob Martin (~0.92 confidence) and father Jacob Martin (~0.92 confidence) and mother Matilda Martin (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jacob Martin
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Jacob Martin
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Jacob Martin
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Matilda Martin
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Martin
Daughter · 1940 · age 24 · b. ~1916 · Iowa
★ You are viewing this record
Sibling
Robert Martin
Sibling · 1940 · age 22
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 — Des-Moines-County, Iowa
Open full size
1940 US Federal Census — Des-Moines-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01156-00329)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Richard Hunt | 13 | son | — | Washington |
| 2 | Mary Jane Hunt | 11 | daughter | — | Illinois |
| 3 | Lawrence Hunt | 3 | son | — | Iowa |
| 4 | Roy Hill | 50 | Head | Barber | Iowa |
| 5 | Rose Hill | 47 | wife | Saleswoman | Iowa |
| 6 | George Zachmeyer | 72 | Head | Gardner | Iowa |
| 7 | Frank Zachmeyer | 58 | brother | — | Iowa |
| 8 | Jacob P. Martin | 67 | Head | Janitor | Iowa |
| 9 | Matilda Martin | 61 | wife | Practical Nurse | Iowa |
| 10 | Helen Martin THIS PERSON | 24 | daughter | Saleswoman | Iowa |
| 11 | Robert Martin | 22 | son | Bartender | Iowa |
| 12 | Carl S. Martin | 31 | Head | Papering Painting | Iowa |
| 13 | Virginia Martin | 28 | wife | Stenographer | Iowa |
| 14 | William Fulton | 28 | Head | Basket Weaver | Iowa |
| 15 | Edith M. Fulton | 21 | wife | — | Iowa |
| 16 | William Fulton | 2 | son | — | Iowa |
| 17 | Jane M. Fulton | 1 | daughter | — | Iowa |
| 18 | Janice M. Fulton | 1 | daughter | — | Iowa |
| 19 | Carl Swanson | 29 | Head | Manager | Iowa |
| 20 | Agnes Swanson | 32 | wife | — | Iowa |
| 21 | Muriel Swanson | 6 | daughter | — | Iowa |
| 22 | Margaret Ann Swanson | 4 | daughter | — | Iowa |
| 23 | Richard C. Swanson | 1 | son | — | Iowa |
| 24 | Carl Sattler | 41 | Head | Iron Worker | Iowa |
| 25 | Zesta Sattler | 37 | wife | Machine Operator | Illinois |
| 26 | Edward Sattler | 17 | son | — | Iowa |
| 27 | Anna Anderson | 73 | Head | — | Illinois |
| 28 | James Alfred | 64 | Head | Proprietor | Iowa |
| 29 | Jennie Alfred | 58 | wife | — | Iowa |
| 30 | William Alfred | 35 | son | Barber | Iowa |
| 31 | Winonna Alfred | 26 | daughter-in-law | Secretary | Iowa |
| 32 | — | None | — | — | — |
| 33 | R. G. Henson | 53 | Head | Repairman | Indiana |
| 34 | Florence Henson | 46 | wife | Saleswoman | Iowa |
| 35 | Mary Guenther | 54 | Head | — | Iowa |
| 36 | Mrs. F. H. Stine | 47 | sister | Saleswoman | Iowa |
| 37 | Mary Ellen Stine | 19 | niece | Saleswoman | Iowa |
| 38 | Nettie May Stine | 17 | niece | Saleswoman | Iowa |
| 39 | Jessie Dell Stine | 15 | niece | — | Iowa |
| 40 | Mrs. Vina Lines | 86 | Head | — | Iowa |
Pedigree Summary
Helen + 1 sibling
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)