JL
James Larkin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this James Larkin across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents James & William — first a son (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Larkin |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Delivery |
| Industry | Retail department store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 800 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Delivery |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1918 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Emma Larkin | Spouse | — | 58 | ~1882 |
| James Larkin | Son | — | 22 | ~1918 |
| Lillian Hendrick | Daughter | — | 27 | ~1913 |
| Wayne Hendrick | Other | — | 36 | ~1904 |
| William Larkin | Head | — | 55 | ~1885 |
Census Appearances
1920
Cook, Illinois
Son, age 2
Cook, Illinois · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larkin |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| 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
Son, age 12
Cook, Illinois · implied b. ~1918 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larkin |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 22
Cook-County, Illinois · implied b. ~1918 — 5 household members
| Surname | Larkin |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Delivery |
| Industry | Retail department store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 800 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| 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 Larkin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Larkin (~0.92 confidence) and father William Larkin (~0.92 confidence) and mother Anna Larkin (~0.92 confidence) and mother Anna Larkin (~0.92 confidence) and mother Emma Larkin (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Larkin
b. ~1875
Source father
● Household
· direct · ~0.92
Father
William Larkin
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Anna Larkin
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Anna Larkin
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Emma Larkin
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Larkin
Son · 1940 · age 22 · b. ~1918 · Illinois
★ You are viewing this record
Sibling
Lillian Hendrick
Sibling · 1940 · age 27
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
40 people indexed on this census page (nara:1940:m-t0627-00984-00535)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Eric Paresala | 18 | Lodger | Dressmaker | Illinois |
| 42 | William D. Larkin | 55 | Head | Machinist | Kentucky |
| 43 | Emma Larkin | 58 | Wife | — | Kentucky |
| 44 | James Larkin THIS PERSON | 22 | Son | Delivery | Illinois |
| 45 | Wayne Hendrick | 36 | Son-law | Florist | Illinois |
| 46 | Lillian Hendrick | 27 | Daughter | — | Kentucky |
| 47 | Aldo Barney | 24 | Head | Truck Driver | Illinois |
| 48 | Rose Barney | 20 | Wife | — | Pennsylvania |
| 49 | Joseph Barney | 0 | Son | — | Illinois |
| 50 | Angelo Passater | 39 | Head | Laborer | Illinois |
| 51 | Sentiz Passater | 31 | Wife | — | Italy |
| 52 | Rose Guilone | 61 | Mother | — | Italy |
| 53 | Jack Cuesto | 34 | Head | Delivery Driver | Illinois |
| 54 | Lorraine Cuesto | 32 | Wife | — | Illinois |
| 55 | Jack Jr. Cuesto | 5 | Son | — | Illinois |
| 56 | Nora Maloney | 45 | Head | — | Illinois |
| 57 | Julia Rundell | 49 | Lodger | — | Illinois |
| 58 | Michael Preston | 39 | Head | Night Watchman | Scotland |
| 59 | Katherine Preston | 38 | Wife | Maid | Scotland |
| 60 | Katherine Preston | 18 | Daughter | — | Scotland |
| 61 | Josephine Preston | 14 | Daughter | — | Scotland |
| 62 | Betty Preston | 11 | Daughter | — | Scotland |
| 63 | Caesar Ciabatti | 41 | Head | Floor Layer | Italy |
| 64 | Anna Ciabatti | 28 | Wife | — | Ohio |
| 65 | Dolores Ciabatti | 7 | Daughter | — | Illinois |
| 66 | Leona Ciabatti | 4 | Daughter | — | Illinois |
| 67 | Sam Speciale | 78 | Head | Barber | Italy |
| 68 | Julia Speciale | 79 | Wife | — | Illinois |
| 69 | Michael Speciale | 45 | Son | — | Illinois |
| 70 | Angelo Speciale | 35 | Son | — | Illinois |
| 71 | Philip Mariano | 27 | Head | Foreman | Illinois |
| 72 | Caroline Mariano | 25 | Wife | — | Illinois |
| 73 | Marie Mariano | 4 | Daughter | — | Illinois |
| 74 | Henry Bredemeier | 42 | Head | Butler | Germany |
| 75 | Elizabeth Bredemeier | 37 | Wife | — | Austria |
| 76 | Evelyn Bredemeier | 13 | Daughter | — | Illinois |
| 77 | Henry Jr. Bredemeier | 12 | Son | — | Illinois |
| 78 | Ben Latus | 38 | Head | Sheet Metal Worker | Illinois |
| 79 | Julia Latus | 36 | Wife | — | Illinois |
| 80 | Donald Latus | 11 | Son | — | Illinois |
Pedigree Summary
James + 1 sibling
Gen 1 · 5 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)