HM
Helen Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Brown-County, Wisconsin
Our Model Tree links this Helen Martin across the 1920, 1930 and 1940 US Censuses in Brown-County, Wisconsin (XGBoost, ~Confirmed), with identified parents Theodore & M — first a daughter (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Female
Daughter
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Brown-County, Wisconsin |
| Surname | Martin |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Preble |
| 1935 Residence (County) | Brown |
| Additional Details | |
| Occupation | saleslady |
| Industry | retail general store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 676 |
| Highest Grade | C 4 |
| 1935 Residence | Same house |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Saleslady |
| Township / Ward | Preble |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Genevieve Martin | Daughter | — | 25 | ~1915 |
| Helen Martin | Daughter | — | 21 | ~1919 |
| Nellie Martin | Head | — | 57 | ~1883 |
| Pat Martin | Son | — | 16 | ~1924 |
Census Appearances
1920
Brown, Wisconsin
Daughter, age 2
Brown, Wisconsin · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Can Read | No |
| Can Write | No |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Brown, Wisconsin
Daughter, age 11
Brown, Wisconsin · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Brown-County, Wisconsin
Daughter, age 21
Brown-County, Wisconsin · implied b. ~1919 — 4 household members
| Surname | Martin |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Preble |
| 1935 Residence (County) | Brown |
| Occupation | saleslady |
| Industry | retail general store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 676 |
| Highest Grade | C 4 |
| 1935 Residence | Same house |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 Theodore Martin (~0.92 confidence) and father M Martin (~0.92 confidence) and mother Nellie Martin (~0.92 confidence) and mother Antoinette Martin (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Theodore Martin
b. ~1871
Source father
● Household
· direct · ~0.92
Father
M Martin
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Nellie Martin
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Antoinette Martin
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Martin
Daughter · 1940 · age 21 · b. ~1919 · Wisconsin
★ You are viewing this record
Sibling
Pat Martin
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Genevieve Martin
Sibling · 1940 · age 25
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 — Brown-County, Wisconsin
Open full size
1940 US Federal Census — Brown-County, Wisconsin
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-04459-00255)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jerome Hoppe|Hoppe | 30 | Head | Auto Mechanic | Wisconsin |
| 42 | Rose Hoppe|Hoppe | 27 | Wife | — | Wisconsin |
| 43 | Roger Hoppe|Hoppe | 3 | Son | — | Wisconsin |
| 44 | Loretta Hoppe|Hoppe | 1 | Daughter | — | Wisconsin |
| 45 | Nellie Martin | 57 | Head | — | Wisconsin |
| 46 | Genevieve Martin | 25 | Daughter | Book-Keeper | Wisconsin |
| 47 | Helen Martin THIS PERSON | 21 | Daughter | Saleslady | Wisconsin |
| 48 | Pat Martin | 16 | Son | — | Wisconsin |
| 49 | Emile Smith | 29 | Head | Salesman | Wisconsin |
| 50 | Josephine Smith | 28 | Wife | — | Wisconsin |
| 51 | Pat Smith | 1 | Son | — | Wisconsin |
| 52 | Henrietta Cuene | 69 | Head | — | Wisconsin |
| 53 | Gertrude Van Dyke | 49 | Sister | Saleswoman | Wisconsin |
| 54 | Agnes Vandier | 79 | Lodger | Cashier | Wisconsin |
| 55 | Hugo Cuene | 33 | Head | Automobile Salesman | Wisconsin |
| 56 | Dolores Cuene | 30 | Wife | — | Wisconsin |
| 57 | Rose Mary Cuene | 1 | Daughter | — | Wisconsin |
| 58 | Robert Van Egren | 20 | Brother in law | — | Wisconsin |
| 59 | Walter Gauthier | 32 | Head | Shipping Clerk | Wisconsin |
| 60 | Dorothy Gauthier | 32 | Wife | — | Wisconsin |
| 61 | Joan Gauthier | 8 | Daughter | — | Wisconsin |
| 62 | Gene Gauthier | 5 | Son | — | Wisconsin |
| 63 | Leonard Richter | 51 | Head | Guard | Wisconsin |
| 64 | Florence Richter | 40 | Wife | — | Wisconsin |
| 65 | Claire Richter | 21 | Daughter | Book Keeper | Wisconsin |
| 66 | Joe De Groot | 39 | Head | Electrician | Wisconsin |
| 67 | Minnie De Groot | 38 | Wife | — | Wisconsin |
| 68 | Ruth De Groot | 13 | Daughter | — | Wisconsin |
| 69 | Marilane De Groot | 10 | Daughter | — | Wisconsin |
| 70 | Henry Bougie | 42 | Head | Truck Driver | Wisconsin |
| 71 | Mary Bougie | 38 | Wife | — | Wisconsin |
| 72 | Andrew Van De Heyden | 81 | Head | — | Wisconsin |
| 73 | Elmer Daane | 37 | Head | Moulder | Wisconsin |
| 74 | Catherine Daane | 35 | Wife | — | Wisconsin |
| 75 | Joyce Daane | 8 | Daughter | — | Wisconsin |
| 76 | Donald Daane | 5 | Son | — | Wisconsin |
| 77 | Lyle Daane | 1 | Son | — | Wisconsin |
| 78 | Frank Collen | 48 | Head | Moulder | Nebraska |
| 79 | Matilda Collen | 49 | Wife | — | Wisconsin |
Related Census Records
Pedigree Summary
Helen + 2 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)