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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 Michel & Mary — first a head (b.~1893), then head of a 6-person household.
Age 47
b. ~1893
Male
Head
Born: Wisconsin
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Ryan |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Chicago city |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Clerical Work |
| Industry | Steam Railroad |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1800 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Clerical Work |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1893 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Patricia Ryan | Daughter | — | 5 | ~1935 |
| Ruth Ryan | Daughter | — | 8 | ~1932 |
| Mary Ryan | Daughter | — | 6 | ~1934 |
| William Ryan | Head | — | 47 | ~1893 |
| Charles Ryan | Son | — | 3 | ~1937 |
| Anna Ryan | Spouse | — | 41 | ~1899 |
Census Appearances
1920
Cook, Illinois
Son, age 27
Cook, Illinois · implied b. ~1893 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ryan |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Michigan |
| Occupation | Clerk |
| Industry | Rail Road |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Cook, Illinois
Head, age 37
Cook, Illinois · implied b. ~1893 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ryan |
| Given Name | William J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Age at First Marriage | 36 |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Michigan |
| Occupation | Rate Clerk |
| Industry | Rail Road |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 62.50 |
| Radio Set | R |
| Veteran | No |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Cook-County, Illinois
Head, age 47
Cook-County, Illinois · implied b. ~1893 — 6 household members
| Surname | Ryan |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Chicago city |
| 1935 Residence (County) | Cook |
| Occupation | Clerical Work |
| Industry | Steam Railroad |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1800 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| 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 William Ryan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Michel Ryan (~0.92 confidence) and mother Mary Ryan (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Michel Ryan
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Mary Ryan
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Ryan
Head · 1940 · age 47 · b. ~1893 · 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
40 people indexed on this census page (nara:1940:m-t0627-01016-00301)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alfred Burdick | 57 | Head | Painter | Michigan |
| 2 | Elizabeth Burdick | 60 | Wife | — | Wisconsin |
| 3 | Gustav Kempe | 71 | Head | — | Germany |
| 4 | Wilhelminia Kempe | 63 | Wife | — | Germany |
| 5 | Frank Wielki | 35 | Head | Truck Driver | Wisconsin |
| 6 | Anna Wielki | 35 | Wife | — | Hungary |
| 7 | John Wielki | 10 | Son | — | Illinois |
| 8 | William Wielki | 4 | Son | — | Illinois |
| 9 | Andrew Gardner | 37 | Head | Real Estate Salesman | Germany |
| 10 | Rose Gardner | 32 | Wife | — | Germany |
| 11 | Katherine Gardner | 14 | Daughter | — | Illinois |
| 12 | Elizabeth Gardner | 12 | Daughter | — | Illinois |
| 13 | Andrew Gardner | 10 | Son | — | Illinois |
| 14 | Herman Gardner | 8 | Son | — | Illinois |
| 15 | William Ryan THIS PERSON | 47 | Head | Clerical Work | Wisconsin |
| 16 | Anna Ryan | 41 | Wife | — | Illinois |
| 17 | Ruth Ryan | 8 | Daughter | — | Illinois |
| 18 | Mary Therese Ryan | 6 | Daughter | — | Illinois |
| 19 | Patricia Ryan | 5 | Daughter | — | Illinois |
| 20 | Charles Ryan | 3 | Son | — | Illinois |
| 21 | Andrew Schoffen | 37 | Head | Motorman | Illinois |
| 22 | Eleanor Schoffen | 31 | Wife | — | Illinois |
| 23 | Edger Buss | 32 | Head | Proprietor | Germany |
| 24 | Sarah Buss | 31 | Wife | — | Wisconsin |
| 25 | Constance Buss | 7 | Daughter | — | Illinois |
| 26 | Edger Jr. Buss | 3 | Son | — | Illinois |
| 27 | George Oosten | 59 | Lodger | — | Germany |
| 28 | Herbert Roemer | 32 | Head | Bank Teller | Illinois |
| 29 | Elsie Roemer | 29 | Wife | — | Illinois |
| 30 | Herman Miller | 74 | Head | Porter | Illinois |
| 31 | Elizabeth Miller | 67 | Wife | — | Illinois |
| 32 | Charles Miller | 37 | Son | Bartender | Illinois |
| 33 | Frank Weler | 47 | Son-in-law | Insurance Examiner | Illinois |
| 34 | Elsie Weler | 47 | Daughter | — | Illinois |
| 35 | Otto Lawrenz | 68 | Head | — | Germany |
| 36 | Esther Lawrenz | 63 | Wife | — | England |
| 37 | Otto Jr. Lawrenz | 26 | Son | Traffic Clerk | Illinois |
| 38 | Jane Key | 82 | Mother-in-law | — | England |
| 39 | Doyne Jackson | 32 | Head | Wood Worker | Indiana |
| 40 | Dorothy Jackson | 25 | Wife | — | Indiana |
Related Census Records
Pedigree Summary
William
Gen 1 · 2 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)