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Helen Ryan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Helen Ryan across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Frank & Thomas — first a daughter (b.~1918), then head of a 2-person household.
Age 22
b. ~1918
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Ryan |
| Given Name | Helen |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| Additional Details | |
| Occupation | W.P.A. drawing project |
| Industry | GW |
| Class of Worker | 400 |
| Highest Grade | No 8 |
| 1935 Residence | 80 |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | W.P.A. Drawing Project |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1918 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Helen Ryan | Daughter | — | 22 | ~1918 |
| Elizabeth Ryan | Head | — | 44 | ~1896 |
Census Appearances
1920
Cook, Illinois
Daughter, age 1
Cook, Illinois · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ryan |
| Given Name | Hazel |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 11
Cook, Illinois · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ryan |
| Given Name | Helen |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 22
Cook-County, Illinois · implied b. ~1918 — 2 household members
| Surname | Ryan |
| Given Name | Helen |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| Occupation | W.P.A. drawing project |
| Industry | GW |
| Class of Worker | 400 |
| Highest Grade | No 8 |
| 1935 Residence | 80 |
| 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 Ryan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Ryan (~0.92 confidence) and father Thomas Ryan (~0.92 confidence) and mother Elizabeth Ryan (~0.92 confidence) and mother Loretta Ryan (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Ryan
b. ~1881
Source father
● Household
· direct · ~0.92
Father
Thomas Ryan
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Ryan
b. ~1896
Source mother
● Household
· direct · ~0.92
Mother
Loretta Ryan
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Ryan
Daughter · 1940 · age 22 · b. ~1918 · Illinois
★ 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 — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-00977-00395)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dolores Boyd | 2 | daughter | — | Illinois |
| 2 | Gloria Boyd | 1 | daughter | — | Illinois |
| 3 | Allan Wadleigh | 54 | head | Foundry | Missouri |
| 4 | George Clark | 41 | head | Street Repair | Missouri |
| 5 | Clotilde Clark | 32 | wife | — | Missouri |
| 6 | George (S) Clark | 16 | son | — | Illinois |
| 7 | Emma Price | 45 | head | — | Georgia |
| 8 | William Price | 30 | son | W.P.A. Street Repair | Georgia |
| 9 | Joseph Price | 27 | brother | — | Georgia |
| 10 | John Sharp | 48 | head | Park Improvement | Illinois |
| 11 | Rebecca Sharp | 40 | wife | — | Illinois |
| 12 | John Sharp | 20 | son | — | Illinois |
| 13 | Ruth Sharp | 18 | daughter | — | Illinois |
| 14 | Janette Sharp | 16 | daughter | — | Illinois |
| 15 | Joan Sharp | 14 | daughter | — | Illinois |
| 16 | Harry Sharp | 10 | daughter | — | Illinois |
| 17 | Alexander Allen | 23 | head | Sidewalk Improvement | Mississippi |
| 18 | Gertie Allen | 23 | wife | — | Mississippi |
| 19 | Louis Allen | 8 | son | — | Illinois |
| 20 | Thomas Davis | 38 | head | W.P.A. Street Repair | Mississippi |
| 21 | Florence Davis | 35 | wife | — | Mississippi |
| 22 | John Davis | 18 | son | — | Arkansas |
| 23 | Lawrence Davis | 15 | son | — | Arkansas |
| 24 | George Davis | 12 | son | — | Illinois |
| 25 | Elizabeth Ryan | 44 | head | — | Georgia |
| 26 | Helen Ryan THIS PERSON | 22 | daughter | W.P.A. Drawing Project | Illinois |
| 27 | John Sharp | 49 | head | W.P.A. Street Repair | Canada French |
| 28 | Alice Sharp | 22 | son | Department Store | Illinois |
| 29 | Emery Sharp | 38 | nephew | Wholesale Egg And Chicken | Illinois |
| 30 | Anthony Rock | 38 | head | Public School | Illinois |
| 31 | Catherine Rock | 39 | wife | — | Illinois |
| 32 | Anthony Rock | 11 | son | — | Illinois |
| 33 | Catherine Rock | 10 | daughter | — | Illinois |
| 34 | John Rock | 5 | son | — | Illinois |
| 35 | Jim Rock | 3 | son | — | Illinois |
| 36 | Patricia Rock | 1 | daughter | — | Illinois |
| 37 | Tom Walter | 31 | head | Furniture Delivery | Illinois |
| 38 | Catherine Walter | 28 | wife | Candy Manufacturer | Illinois |
Pedigree Summary
Helen
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)