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Daniel Ryan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Daniel Ryan across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Lawrence & Eleanor — first a son (b.~1917), then head of a 7-person household.
Age 23
b. ~1917
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Ryan |
| Given Name | Daniel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| Est. Birth Year | ~1917 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Daniel | Age | Birth yr |
|---|---|---|---|---|
| Daniel Ryan | Son | — | 23 | ~1917 |
| Joanne Ryan | Daughter | — | 20 | ~1920 |
| Charles Ryan | Son | — | 17 | ~1923 |
| Eleanor Ryan | Spouse | — | 49 | ~1891 |
| Lawrence Ryan | Head | — | 52 | ~1888 |
| Mary Ryan | Daughter | — | 10 | ~1930 |
| Lawrence Ryan | Son | — | 15 | ~1925 |
Census Appearances
1920
Cook, Illinois
Other, age 3
Cook, Illinois · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ryan |
| Given Name | Daniel Jr. |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| 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
Other, age 13
Cook, Illinois · implied b. ~1917 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ryan |
| Given Name | Daniel |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| 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
Son, age 23
Cook-County, Illinois · implied b. ~1917 — 7 household members
| Surname | Ryan |
| Given Name | Daniel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Income (1939) | 0 |
| Highest Grade | C 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 Daniel Ryan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Lawrence Ryan (~0.92 confidence) and mother Eleanor Ryan (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Lawrence Ryan
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Eleanor Ryan
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Daniel Ryan
Son · 1940 · age 23 · b. ~1917 · Illinois
★ You are viewing this record
Sibling
Mary Ryan
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joanne Ryan
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Ryan
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Ryan
Sibling · 1940 · age 17
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-t0627-00960-00424)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Herbert Darracq | 26 | Son | Purchasing Agent | Illinois |
| 2 | Hubert Ellsworth | 52 | Head | — | Illinois |
| 3 | Louise Ellsworth | 52 | Wife | — | Illinois |
| 4 | Cora Murray | 82 | Mother-in-law | — | New York |
| 5 | Irene Lockwood | 35 | Nurse | Nurse | Tennessee |
| 6 | Ruth Anderson | 21 | Maid | Maid | Minnesota |
| 7 | Lawrence Ryan | 52 | Head | Civil Engineer | Illinois |
| 8 | Eleanor Ryan | 49 | Wife | — | Illinois |
| 9 | Daniel Ryan THIS PERSON | 23 | Son | — | Illinois |
| 10 | Joanne Ryan | 20 | Daughter | — | Illinois |
| 11 | Charles Ryan | 17 | Son | — | Illinois |
| 12 | Lawrence Ryan | 15 | Son | — | Illinois |
| 13 | Mary Ryan | 10 | Daughter | — | Illinois |
| 14 | Robert Archer | 44 | Head | Metallurgist | Colorado |
| 15 | Virginia Archer | 33 | Wife | — | Indiana |
| 16 | Robert Archer | 1 | Son | — | Illinois |
| 17 | Vera Zhella | 27 | Maid | Maid | Illinois |
| 18 | Jeannette Stevens | 70 | Head | Manager | New York |
| 19 | Genevieve Layton | 80 | Lodger | — | Illinois |
| 20 | Blanche Layton | 55 | Lodger | — | Illinois |
| 22 | Anthony Gannon | 63 | Head | Engineer | Illinois |
| 23 | Bertha Gannon | 62 | Wife | — | Illinois |
| 24 | Susan Muir | 67 | Head | — | Illinois |
| 25 | Edward Muir | 40 | Son | Salesman | Illinois |
| 26 | William Richard | 39 | Head | Own Business | Illinois |
| 27 | Mildred Richard | 38 | Wife | — | Illinois |
| 28 | Ann Richard | 12 | Daughter | — | Illinois |
| 29 | Charles Simon | 52 | Head | Manager | New Jersey |
| 30 | Sophie Simon | 42 | Wife | — | England |
| 31 | Joseph Caruso | 24 | Head | Salesman | Illinois |
| 32 | Lenora Caruso | 23 | Wife | — | Illinois |
| 33 | Thomas Rupp | 23 | Head | Salesman | Illinois |
| 34 | Marguerite Rupp | 26 | Wife | — | Minnesota |
| 35 | John Rupp | 1 | Son | — | Illinois |
| 36 | Roy Hawthorne | 49 | Head | General Manager | New Jersey |
| 37 | Anna Hawthorne | 50 | Wife | — | Massachusetts |
| 38 | Roy Hawthorne | 20 | Son | — | New Jersey |
| 39 | Victor Hawthorne | 17 | Son | — | New Jersey |
| 40 | Paul Betcher | 27 | Head | Assistant Manager | Illinois |
Pedigree Summary
Daniel + 4 siblings
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)