HC
Helen Collins — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Helen Collins across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Michael & Mae — first a daughter (b.~1915), then head of a 5-person household.
Age 25
b. ~1915
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Collins |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Ship Material |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1000 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Stenographer |
| Township / Ward | Chicago City |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Donald Bold | Other | — | 7 | ~1933 |
| James Collins | Son | — | 23 | ~1917 |
| Helen Collins | Daughter | — | 25 | ~1915 |
| John Collins | Son | — | 26 | ~1914 |
| Mae Collins | Head | — | 55 | ~1885 |
Census Appearances
1920
Cook, Illinois
Daughter, age 3
Cook, Illinois · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Collins |
| Given Name | Helen Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 14
Cook, Illinois · implied b. ~1916 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Collins |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Pennsylvania |
| Occupation | Stenographer |
| Industry | Telephone Mfg |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 25
Cook-County, Illinois · implied b. ~1915 — 5 household members
| Surname | Collins |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Stenographer |
| Industry | Ship Material |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1000 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Collins across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Michael Collins (~0.92 confidence) and mother Mae Collins (~0.92 confidence) and father Richard Collins (~0.92 confidence) and mother Nora Collins (~0.92 confidence) and mother Elizabeth Collins (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Michael Collins
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Mae Collins
b. ~1885
Source mother
● Household
· direct · ~0.92
Father
Richard Collins
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Nora Collins
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Collins
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Collins
Daughter · 1940 · age 25 · b. ~1915 · Illinois
★ You are viewing this record
Sibling
James Collins
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Collins
Sibling · 1940 · age 26
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 — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00982-00254)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mae Collins | 55 | Head | — | Illinois |
| 2 | John Collins | 26 | Son | Salesman | Illinois |
| 3 | Helen Collins THIS PERSON | 25 | Daughter | Stenographer | Illinois |
| 4 | James Collins | 23 | Son | Butcher | Illinois |
| 5 | Donald Bold | 7 | Lodger | — | Illinois |
| 6 | Raymond Finnegan | 41 | Head | Mechanic | Iowa |
| 7 | Meda Finnegan | 30 | Wife | Nurse | Missouri |
| 8 | Carole Finnegan | 5 | Daughter | — | Illinois |
| 9 | J. A. Ditger | 56 | Head | Carpenter | Illinois |
| 10 | Lillian Ditger | 54 | Wife | — | Illinois |
| 11 | Peter Spencer | 28 | Head | Counterman | Wisconsin |
| 12 | Eva Spencer | 23 | Wife | — | Illinois |
| 13 | Audrey Spencer | 5 | Daughter | — | Illinois |
| 14 | Kathleen Spencer | 3 | Daughter | — | Illinois |
| 15 | John Hartman | 33 | Head | Machinist | Illinois |
| 16 | Bernice Hartman | 31 | Wife | — | Illinois |
| 17 | Patricia Hartman | 6 | Daughter | — | Illinois |
| 18 | Mary Sullivan | 17 | Lodger | — | Illinois |
| 19 | Frank Martin | 36 | Head | Coil Winder | Minnesota |
| 20 | Sadie Martin | 33 | Wife | Welder | Northern Ireland |
| 21 | Frank Jr. Martin | 7 | Son | — | Illinois |
| 22 | Kathleen Martin | 2 | Daughter | — | Illinois |
| 23 | George Potter | 51 | Head | Tool Maker | Illinois |
| 24 | Julia Potter | 47 | Wife | — | Illinois |
| 25 | Virginia Woodworth | 22 | Step daughter | Stenographer | Illinois |
| 26 | John Stevenson | 52 | Head | Carpenter | Scotland |
| 27 | Bessie Stevenson | 50 | Wife | — | Illinois |
| 28 | Margaret Stevenson | 27 | Daughter | Stenographer | Illinois |
| 29 | James Stevenson | 25 | Son | Salesman | Illinois |
| 30 | Margaret Rennie | 73 | Mother-in-law | — | Scotland |
| 31 | James Broderick | 40 | Head | Mailman | Illinois |
| 32 | Alice Broderick | 36 | Wife | — | Illinois |
| 33 | Patricia Broderick | 5 | Daughter | — | Illinois |
| 34 | James Jr. Broderick | 4 | Son | — | Illinois |
| 35 | Amos Wells | 41 | Lodger | — | Illinois |
| 36 | Jack Wells | 39 | Head | Clerk | Illinois |
| 37 | Emily Wells | 39 | Wife | — | Illinois |
| 38 | Fred Wells | 13 | Son | Ship Clerk | Illinois |
| 39 | Dorothy Wells | 11 | Daughter | — | Illinois |
| 40 | William Ogden | 57 | Head | Realtor | Iowa |
Pedigree Summary
Helen + 2 siblings
Gen 1 · 5 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)