JK
James Kelly — 1920 US Census Record
Model Tree available1920 United States Federal Census · Cook, Illinois
Our Model Tree links this James Kelly across the 1900, 1910 and 1920 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents Daniel & Catherine — first a son (b.~1899), then head of a 10-person household.
Age 21
b. ~1899
Male
Son
Born: Illinois
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Cook, Illinois |
| Surname | Kelly |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Auto Mech |
| Industry | Auto Shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Auto Mech |
| Township / Ward | City Of Chicago |
| Est. Birth Year | ~1899 |
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 1920 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Alice Kelly | Daughter | — | 15 | ~1905 |
| Anna Cotter | Daughter | — | 27 | ~1893 |
| Elizabeth Kelly | Daughter | — | 13 | ~1907 |
| Mary Cotter | Daughter | — | 3 | ~1917 |
| Agnes Kelly | Daughter | — | 19 | ~1901 |
| Lillian Kelly | Daughter | — | 10 | ~1910 |
| John Kelly | Head | — | 55 | ~1865 |
| James Kelly | Son | — | 21 | ~1899 |
| William Cotter | Son | — | 6 | ~1914 |
| Della Kelly | Spouse | — | 45 | ~1875 |
Census Appearances
1900
Cook, Illinois
Son, age 1
Cook, Illinois · implied b. ~1899 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Illinois |
| Birth Month | Nov |
| Birth Year | 1899 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
Son, age 10
Cook, Illinois · implied b. ~1900 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelley |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Son, age 21
Cook, Illinois · implied b. ~1899 — 10 household members
| Surname | Kelly |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Auto Mech |
| Industry | Auto Shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| 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 Kelly across 3 US Census years (1900, 1910 and 1920) in Cook, Illinois, using XGBoost record linkage. Identified parents: father Daniel Kelley (~0.92 confidence) and mother Catherine Kelley (~0.92 confidence) and father John Kelly (~0.92 confidence) and father Joe Kelly (~0.92 confidence) and mother Della Kelly (~0.92 confidence) and mother Mary Kelly (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Daniel Kelley
b. ~1861
Source father
● Household
· direct · ~0.92
Mother
Catherine Kelley
b. ~1862
Source mother
● Household
· direct · ~0.92
Father
John Kelly
b. ~1865
Source father
● Household
· direct · ~0.92
Father
Joe Kelly
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Della Kelly
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Mary Kelly
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Kelly
Son · 1920 · age 21 · b. ~1899 · Illinois
★ You are viewing this record
Sibling
William Cotter
Sibling · 1920 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Cotter
Sibling · 1920 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Kelly
Sibling · 1920 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Cotter
Sibling · 1920 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Kelly
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Kelly
Sibling · 1920 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Kelly
Sibling · 1920 · age 15
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
1920 US Federal Census — Cook, Illinois
Open full size
1920 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu314unit:0209)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edison Smith | 9 | Son | — | Illinois |
| 2 | Elroy Smith | 6 | Son | — | Illinois |
| 3 | Marion Smith | 4 | Son | — | Illinois |
| 4 | Norman Smith | 1 | Son | — | Illinois |
| 5 | Clarence Lacroix | 38 | Head | Salesman | Canada |
| 6 | Nora Lacroix | 31 | Wife | — | Alabama |
| 7 | Thomas O'Connor | 38 | Head | Laborer | Illinois |
| 8 | Margaret O'Connor | 37 | Wife | — | New York |
| 9 | Geraldine O'Connor | 15 | Daughter | — | Illinois |
| 10 | John Cimbron | 47 | Head | Car Repairer | Italy |
| 11 | Mary Cimbron | 37 | Wife | — | Italy |
| 12 | Elsie Cimbron | 14 | Daughter | Clerk | Illinois |
| 13 | James Cimbron | 13 | Son | School | Illinois |
| 14 | Joseph Cimbron | 12 | Son | School | Illinois |
| 15 | Henry Cimbron | 10 | Son | School | Illinois |
| 16 | Peter Cimbron | 8 | Son | School | Illinois |
| 17 | Angelina Cimbron | 4 | Daughter | — | Illinois |
| 18 | Frank Cimbron | 1 | Son | — | Illinois |
| 19 | Phillip Just | 60 | Head | Laborer | Italy |
| 20 | Phillip Jr Just | 19 | Son | Laborer | Italy |
| 21 | Phillis Just | 50 | Wife | — | Italy |
| 22 | Sam Just | 16 | Son | Laborer | Italy |
| 23 | James Just | 14 | Son | Errand Boy | Italy |
| 24 | Tony Just | 11 | Son | School | Italy |
| 25 | Julia Just | 7 | Daughter | — | Illinois |
| 26 | Amilla Just | 4 | Daughter | — | Illinois |
| 27 | Joseph Just | 6 | Son | — | Illinois |
| 28 | Frances Just | 2 | Daughter | — | Illinois |
| 29 | Tony Laporta | 40 | Head | Brick Layer | Italy |
| 30 | Philomena Laporta | 40 | Wife | — | Italy |
| 31 | Mary Laporta | 15 | Daughter | Examining | Italy |
| 32 | Jennie Laporta | 12 | Daughter | School | Illinois |
| 33 | Michael Laporta | 11 | Son | School | Illinois |
| 34 | Frances Laporta | 9 | Daughter | School | Illinois |
| 35 | Joseph Laporta | 6 | Son | School | Illinois |
| 36 | Paulina Laporta | 4 | Daughter | — | Illinois |
| 37 | Frank Laporta | 2 | Son | — | Illinois |
| 38 | John Laporta | 0 | Son | — | Illinois |
| 39 | John Kelly | 55 | Head | Laborer | Ireland |
| 40 | Della Kelly | 45 | Wife | — | Ireland |
| 41 | Anna Cotter | 27 | Daughter | Clerk | Illinois |
| 42 | James Kelly THIS PERSON | 21 | Son | Auto Mech | Illinois |
| 43 | Agnes Kelly | 19 | Daughter | Office Help | Illinois |
| 44 | Alice Kelly | 15 | Daughter | Office Help | Illinois |
| 45 | Elizabeth Kelly | 13 | Daughter | — | Illinois |
| 46 | Lillian Kelly | 10 | Daughter | — | Illinois |
| 47 | William Cotter | 6 | Son | — | Illinois |
| 48 | Mary Ellen Cotter | 3 | Daughter | — | Illinois |
| 49 | Charles Brocasuku | 24 | Head | Meat Driver | Illinois |
| 50 | Mary Brocasuku | 22 | Wife | — | Illinois |
Related Census Records
Pedigree Summary
James + 7 siblings
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)