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William Ryan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this William Ryan across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Mary & Martha — first a son (b.~1912), then head of a 5-person household.
Age 28
b. ~1912
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Ryan |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Pharmacist |
| Industry | Drug store |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 2000 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Pharmacist |
| Township / Ward | Chicago |
| Est. Birth Year | ~1912 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Betty Huber | Daughter | — | 19 | ~1921 |
| Jean Huber | Daughter | — | 1 | ~1939 |
| William Ryan | Head | — | 30 | ~1910 |
| William Ryan | Son | — | 28 | ~1912 |
| Jean Ryan | Spouse | — | 40 | ~1900 |
Census Appearances
1920
Cook, Illinois
Son, age 7
Cook, Illinois · implied b. ~1913 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ryan |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 17
Cook, Illinois · implied b. ~1913 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ryan |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Pennsylvania |
| Occupation | Clerical |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 28
Cook-County, Illinois · implied b. ~1912 — 5 household members
| Surname | Ryan |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Pharmacist |
| Industry | Drug store |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 2000 |
| Highest Grade | Hs 2 |
| 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 William Ryan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Ryan (~0.92 confidence) and mother Martha Ryan (~0.92 confidence) and father Edward Ryan (~0.92 confidence) and mother Jean Ryan (~0.60 confidence) and father William Ryan (~0.60 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.79
Mother
Mary Ryan
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Martha Ryan
b. ~1878
Source mother
● Household
· direct · ~0.92
Father
Edward Ryan
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Jean Ryan
b. ~1900
Source mother
● Household
· direct · ~0.6
Father
William Ryan
b. ~1910
Source father
● Household
· direct · ~0.6
This person
Anchor record
William Ryan
Son · 1940 · age 28 · b. ~1912 · Illinois
★ You are viewing this record
Sibling
Jean Huber
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Huber
Sibling · 1940 · age 19
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
39 people indexed on this census page (nara:1940:m-t0627-01019-00522)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | A. C. Davis | 24 | Head | Supervisor | Illinois |
| 2 | Mrs. J. O. Davis | 18 | Wife | Stenographer | Illinois |
| 3 | William E. Shaw | 49 | Head | Cab Starter | Illinois |
| 4 | Mrs. William E. Shaw | 47 | Wife | — | Iowa |
| 5 | Monroe A. Du Mont | 33 | Head | — | Tennessee |
| 6 | Hudson W. Grady | 37 | Head | — | Florida |
| 7 | James J. Kelley | 62 | Head | — | Illinois |
| 8 | Harriett C. Kelley | 56 | Wife | Tube Clerk | Nebraska |
| 10 | Esther C. Harmon | 43 | Head | Saleslady | S. Dakota |
| 11 | Frank C. Harmon | 21 | Son | — | S. Dakota |
| 12 | Sybil M. Harmon | 18 | Daughter | Office Clerk | Nebraska |
| 13 | Patricia J. Harmon | 17 | Daughter | — | Nebraska |
| 14 | Geraldine L. Hatcher | 20 | Lodger | Office Clerk | Illinois |
| 15 | Raymond O. Weiler | 69 | Head | Electrician | Hungary |
| 16 | Frank O. Ingler | 40 | Head | Musician | Illinois |
| 17 | Francis A. Ingler | 35 | Wife | — | Michigan |
| 18 | Isaac Gold | 70 | Head | — | Russia |
| 19 | Ida O. Gold | 64 | Wife | — | Russia |
| 20 | Henry H. Ruben | 40 | Head | Optician & Jeweler | Illinois |
| 21 | Dorothy A. Ruben | 28 | Wife | — | Missouri |
| 22 | Marilyn Ruben | 4 | Daughter | — | Illinois |
| 23 | Barbara Ruben | 2 | Daughter | — | Illinois |
| 24 | Arthur Cusack | 36 | Head | Clerk | Germany |
| 25 | Marie Cusack | 45 | Wife | Waitress | Indiana |
| 26 | Betty Jane Cusack | 20 | Daughter | — | Wisconsin |
| 27 | Percival V. Snyder | 59 | Head | Shipping Clerk | Oregon |
| 28 | Mae Matilda Snyder | 58 | Wife | — | Montana |
| 29 | Ruth N. Marx | 68 | Head | Writer | Germany |
| 30 | Gertrude Marx | 50 | Wife | Review Room Caretaker | Germany |
| 31 | Yvonne Marx | 27 | Daughter | — | Illinois |
| 32 | William Ryan | 30 | Head | Technician | Illinois |
| 33 | Jean A. Ryan | 40 | Wife | Dressmaker | Wisconsin |
| 34 | William Ryan THIS PERSON | 28 | Son | Pharmacist | Illinois |
| 35 | Betty Huber | 19 | Daughter | Stenographer | Iowa |
| 36 | Jean Huber | 1 | Daughter | — | Washington |
| 37 | Enos Swanson | 58 | Head | Pressman | Sweden |
| 38 | Mary Swanson | 56 | Wife | — | England |
| 39 | Betty Kingsbury | 22 | Daughter | Stenographer | Illinois |
| 40 | Jessie Dee Tuttle | 70 | Head | Stenographer | Illinois |
Pedigree Summary
William + 2 siblings
Gen 1 · 5 parents
~0.79
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)