JF
James Flanagan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this James Flanagan across the 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 10-person household.
Age 11
b. ~1919
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Flanagan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| Est. Birth Year | ~1919 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Mary Flanagan | Other | — | 38 | ~1892 |
| Patrick Flanagan | Son | — | 19 | ~1911 |
| Edward Flanagan | Son | — | 21 | ~1909 |
| John Flanagan | Son | — | 9 | ~1921 |
| Bernard Flanagan | Son | — | 2 | ~1928 |
| Catherine Flanagan | Daughter | — | 16 | ~1914 |
| Patrick Flanagan | Head | — | 58 | ~1872 |
| Mary Flanagan | Daughter | — | 18 | ~1912 |
| Michael Flanagan | Son | — | 14 | ~1916 |
| James Flanagan | Son | — | 11 | ~1919 |
Census Appearances
1930
Cook, Illinois
Son, age 11
Cook, Illinois · implied b. ~1919 — 10 household members
| Surname | Flanagan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 21
Cook-County, Illinois · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flanigan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Plumber |
| Industry | Plumbing |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 3480 |
| Highest Grade | H-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 James Flanagan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Flanagan
Son · 1930 · age 11 · b. ~1919 · Illinois
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Sibling
Mary Flanagan
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernard Flanagan
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patrick Flanagan
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Flanagan
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Michael Flanagan
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Flanagan
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Flanagan
Sibling · 1930 · age 16
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
1930 US Federal Census — Cook, Illinois
Open full size
1930 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel434:0510)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Szurek | 52 | Head | Laborer | Poland |
| 2 | Mary Szurek | 47 | Wife-H | — | Poland |
| 3 | Andrew Szurek | 19 | Son | — | Illinois |
| 4 | Josephine Szurek | 17 | Daughter | — | Illinois |
| 5 | Bernice Szurek | 15 | Daughter | — | Illinois |
| 6 | Edward Szurek | 12 | Son | — | Illinois |
| 7 | Frank Wasniewski | 49 | Head | Laborer | Poland |
| 8 | Magdalene Wasniewski | 37 | Wife-H | — | Poland |
| 9 | Stella Wasniewski | 13 | Daughter | — | Illinois |
| 10 | Walter Wasniewski | 12 | Son | — | Illinois |
| 11 | Patrick Flanagan | 58 | Head | Laborer | Irish Free State |
| 12 | Mary Flanagan | 38 | Wife-H | — | Irish Free State |
| 13 | Edward Flanagan | 21 | Son | Laborer | Illinois |
| 14 | Patrick Flanagan | 19 | Son | Chauffeur | Illinois |
| 15 | Mary Flanagan | 18 | Daughter | Laborer | Illinois |
| 16 | Catherine Flanagan | 16 | Daughter | — | Illinois |
| 17 | Michael Flanagan | 14 | Son | — | Illinois |
| 18 | James Flanagan THIS PERSON | 11 | Son | — | Illinois |
| 19 | John Flanagan | 9 | Son | — | Illinois |
| 20 | Bernard Flanagan | 2 | Son | — | Illinois |
| 21 | Mary Brosnahan | 50 | Head | — | Canada |
| 22 | Jerome Brosnahan | 24 | Son | — | Illinois |
| 23 | Eleanor Brosnahan | 24 | Daughter-in-law | Nurse | Illinois |
| 24 | Geraldine Brosnahan | 2 | Granddaughter | — | Illinois |
| 25 | John Brosnahan | 0 | Grandson | — | Illinois |
| 26 | Edward Baker | 58 | Head | Steamfitter | Ireland |
| 27 | Catherine Baker | 43 | Wife | — | Ireland |
| 28 | Thomas Baker | 10 | Son | — | Illinois |
| 29 | Michael Tracy | 22 | Nephew | — | Illinois |
| 30 | John Pienta | 50 | Head | Laborer | Poland |
| 31 | Jennie Pienta | 49 | Wife-H | — | Poland |
| 32 | Adam Pienta | 20 | Son | Laborer | Illinois |
| 33 | Walter Pienta | 18 | Son | Laborer | Illinois |
| 34 | Peter Ward | 49 | Head | Plumber | Illinois |
| 35 | Frances Ward | 47 | Wife-H | Laborer | Illinois |
| 36 | Robert Ward | 22 | Son | — | Illinois |
| 37 | John Miemiec | 47 | Head | Inspector | Poland |
| 38 | Anna Miemiec | 33 | Wife-H | — | Poland |
| 39 | Lillie Miemiec | 11 | Daughter | — | Illinois |
| 40 | Teddy Miemiec | 9 | Son | — | Illinois |
| 41 | Edwin Miemiec | 7 | Son | — | Illinois |
| 42 | Richard Miemiec | 4 | Son | — | Illinois |
| 43 | Catherine Urbanek | 38 | Head-H | Wrapper | Poland |
| 44 | Walter Urbanek | 19 | Son | Laborer | Illinois |
| 45 | Josephine Urbanek | 16 | Daughter | — | Illinois |
| 46 | Adam Urbanek | 14 | Son | — | Illinois |
| 47 | Theodore Urbanek | 13 | Son | — | Illinois |
| 48 | Wanda Urbanek | 8 | Daughter | — | Illinois |
| 49 | Frank Ciesielski | 45 | Boarder | — | Poland |
| 50 | Charles Pikul | 37 | Head | Laborer | Poland |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)