Daniel Ryan — 1940 US Census Record

Model Tree available

1940 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 Daniel & Mary — first a head (b.~1902), then head of a 4-person household.

Age 38 b. ~1902 Male Head Born: Illinois Married

1940 Census Record Details

Census Year	1940
Location	Cook-County, Illinois
Surname	Ryan
Given Name	Daniel W
Relationship to Head	Head
Sex	M
Color / Race	White
Age	38
Marital Status	Married
Birthplace	Illinois
1935 Residence (City)	Chicago
1935 Residence (County)	Cook
Additional Details
Class of Worker	GW
Hours Worked	42
Income (1939)	2522
Highest Grade	G 8
1935 Residence	Same Place
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois
Township / Ward	Chicago
Est. Birth Year	~1902

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.

4 people recorded at the same address in the 1940 census.

Name	Relation to head	Relative to Daniel	Age	Birth yr
Daniel Ryan	Head	—	38	~1902
Daniel Ryan	Son	—	1	~1939
Maryann Ryan	Daughter	—	4	~1936
Mary Ryan	Spouse	—	23	~1917

Census Appearances

1920

Cook, Illinois

Son, age 19

Cook, Illinois · implied b. ~1901 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Ryan
Given Name	Daniel
Relationship to Head	Son
Sex	M
Color / Race	White
Age	19
Marital Status	Single
Birthplace	Illinois
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	Inspector
Industry	Machine Shop
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois

1930

Cook, Illinois

Head, age 28

Cook, Illinois · implied b. ~1902 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Ryan
Given Name	Daniel
Relationship to Head	Head
Sex	M
Color / Race	White
Age	28
Marital Status	Married
Birthplace	Illinois
Age at First Marriage	27
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	Police Officer
Industry	City
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	R
Home Value / Rent	57.50
Radio Set	R
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois

1940

Cook-County, Illinois

Head, age 38

Cook-County, Illinois · implied b. ~1902 — 4 household members

Surname	Ryan
Given Name	Daniel W
Relationship to Head	Head
Sex	M
Color / Race	White
Age	38
Marital Status	Married
Birthplace	Illinois
1935 Residence (City)	Chicago
1935 Residence (County)	Cook
Class of Worker	GW
Hours Worked	42
Income (1939)	2522
Highest Grade	G 8
1935 Residence	Same Place
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois

Model Tree

Model Tree available

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 Daniel 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

Daniel Ryan

b. ~1870

Source father

● Household · direct · ~0.92

Mother

Mary Ryan

b. ~1873

Source mother

● Household · direct · ~0.92

This person

Anchor record

Daniel Ryan

Head · 1940 · age 38 · b. ~1902 · 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

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-00996-00958)

Line	Name	Age	Relation	Occupation	Birthplace
1	Jerry Daniel L Levy	19	Son	—	Illinois
2	Kenneth H Levy	12	Son	—	Illinois
3	Fred M Nissen	39	Head	Clerk	Nebraska
4	Katherine M Nissen	33	Wife	Waitress	Illinois
5	James Mclaughlin	28	Head	Collector	Illinois
6	Julia R Mclaughlin	25	Wife	Clerical	Illinois
7	James B Mcguane	28	Head	Guard	Illinois
8	Jeannette Mcguane	24	Wife	—	Illinois
9	Maureen Mcguane	2	Daughter	—	Illinois
10	Mate Dicker	43	Head	Janitor	Germany
11	Katherine Dicker	33	Wife	—	Germany
12	Peter Dicker	15	Son	—	Illinois
13	John Dicker	12	Son	—	Illinois
14	John F Hone	26	Head	Clerk	Illinois
15	Elaine F Hone	25	Wife	—	Illinois
16	John Hone	0	Son	—	Illinois
17	Daniel W Ryan THIS PERSON	38	Head	—	Illinois
18	Mary A Ryan	23	Wife	—	Illinois
19	Maryann Ryan	4	Daughter	—	Illinois
20	Daniel W Ryan	1	Son	—	Illinois
21	Edwin F Ernest	47	Head	Salesman	Illinois
22	Ann C Ernest	37	Wife	—	Illinois
23	Edwin F Jr Ernest	1	Son	—	Illinois
24	Ray Lubovico	27	Head	Technician	Illinois
25	Virginia Lubovico	26	Wife	—	Indiana
26	Joseph Jr Stebley	47	Head	Fireman	Minnesota
27	Adeline Stebley	46	Wife	—	Illinois
28	Howard C Stebley	20	Son	—	Illinois
29	Daniel E Fisher	35	Head	Janitor	Nebraska
30	Magdalene Fisher	26	Wife	—	Illinois
31	Jane M Fisher	2	Daughter	—	Illinois
32	Clarence Ruthaff	52	Head	Editor	Michigan
33	Marie Ruthaff	45	Wife	—	Illinois
34	William H Knight	60	Head	Engineer	Illinois
35	Edna Knight	55	Wife	—	Illinois
36	—	None	—	—	—
37	Stephen Terron	49	Head	Real Estate	Greece
38	Lula Terron	35	Wife	Waitress	Greece
39	Nicholas Kornas	22	Son	Electrician	Illinois
40	Peter Kornas	17	Son	—	Illinois

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Pedigree Summary

Daniel

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)

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