JC
James Connell — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this James Connell across the 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a son (b.~1888), then head of a 8-person household.
Age 42
b. ~1888
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Connell |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Salesman |
| Industry | Real Estate |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Salesman |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1888 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Connell | Daughter | — | 30 | ~1900 |
| William Peters | Other | — | 1 | ~1929 |
| James Connell | Son | — | 42 | ~1888 |
| Mary Connell | Head | — | 60 | ~1870 |
| Marie Peters | Other | — | 2 | ~1928 |
| Loretta Connell | Daughter | — | 28 | ~1902 |
| Joseph Connell | Son | — | 32 | ~1898 |
| Mary Peters | Daughter | — | 25 | ~1905 |
Census Appearances
1920
Cook, Illinois
Other, age 30
Cook, Illinois · implied b. ~1890 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Connell |
| Given Name | James |
| Relationship to Head | Brother-in-law |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Foreman |
| Industry | Acetylene Co |
| 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
Son, age 42
Cook, Illinois · implied b. ~1888 — 8 household members
| Surname | Connell |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Salesman |
| Industry | Real Estate |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | 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 Connell across 2 US Census years (1920 and 1930) in Cook, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
James Connell
Son · 1930 · age 42 · b. ~1888 · Illinois
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Sibling
Mary Peters
Sibling · 1930 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Connell
Sibling · 1930 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Connell
Sibling · 1930 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Loretta Connell
Sibling · 1930 · age 28
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:illinoiscensus00reel437:0728)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thomas Meehan | 71 | Boarder | Laborer | Illinois |
| 2 | John Harrington | 72 | Boarder | Pool Room | Illinois |
| 3 | Mary Connell | 60 | Head | — | Ireland |
| 4 | James Connell THIS PERSON | 42 | Son | Salesman | Illinois |
| 5 | Joseph Connell | 32 | Son | Clerk | Illinois |
| 6 | Elizabeth Connell | 30 | Daughter | Operator | Illinois |
| 7 | Loretta Connell | 28 | Daughter | Stenographer | Illinois |
| 8 | Mary Peters | 25 | Daughter | Clerk | Illinois |
| 9 | Marie Peters | 2 | Granddaughter | Operator | Illinois |
| 10 | William Peters | 1 | Grandson | — | Illinois |
| 11 | Dr. Nicholas Engels | 69 | Head | Doctor | Canada |
| 12 | Olive Engels | 53 | Wife | — | Pennsylvania |
| 13 | Sister-In-Law Moers | 51 | Bessie | — | Illinois |
| 14 | Philip Moers | 38 | Brother-in-law | Salesman | Illinois |
| 15 | Chester Donahue | 48 | Head | Clerk | Illinois |
| 16 | Ethel Donahue | 46 | Wife | — | Indiana |
| 17 | Dorothy Spencer | 27 | Niece | Clerk | Indiana |
| 18 | William Donahue | 19 | Son | Clerk | Indiana |
| 19 | William Donahue | 76 | Father | — | Pennsylvania |
| 20 | Jerome Day | 40 | Head | Clerk | Illinois |
| 21 | Irene Day | 39 | Wife | — | Illinois |
| 22 | Mary Day | 18 | Daughter | Operator | Illinois |
| 23 | John Day | 16 | Son | — | Illinois |
| 24 | Michael Day | 14 | Son | — | Illinois |
| 25 | Stanley Bordus | 23 | Head | Mechanic | Illinois |
| 26 | Gladys Bordus | 23 | Wife | — | Kentucky |
| 27 | Stanley Jr. Bordus | 2 | Son | — | Illinois |
| 28 | Dr. Frank Hart | 40 | Head | Doctor | Illinois |
| 29 | James Burns | 60 | Head | Barber | Illinois |
| 30 | Mary Burns | 58 | Wife | — | Illinois |
| 31 | Thomas Burns | 27 | Son | Clerk | Illinois |
| 32 | Mary Burns | 25 | Daughter | Stenographer | Illinois |
| 33 | Harry Isaac | 56 | Head | Clerk | New York |
| 34 | Mollie Isaac | 48 | Wife | — | Austria |
| 35 | Morris Isaac | 27 | Son | Electrician | Colorado |
| 36 | Frances Isaac | 18 | Daughter | Clerk | Colorado |
| 37 | Robert Bowman | 46 | Head | Janitor | England |
| 38 | Anna Bowman | 40 | Wife | — | England |
| 39 | Robert Jr. Bowman | 6 | Son | — | Illinois |
| 40 | George Gormley | 33 | Boarder | Heater | New York |
| 41 | Michael Buckley | 41 | Boarder | Laborer | Ireland |
| 42 | James Mcguire | 42 | Head | Laborer | Indiana |
| 43 | Anna Mcguire | 40 | Wife | — | Ireland |
| 44 | James Jr. Mcguire | 7 | Son | — | Illinois |
| 45 | Hannah Mcguire | 1 | Daughter | — | Illinois |
| 46 | Hyman Tessman | 48 | Head | Salesman | Austria |
| 47 | Bessie Tessman | 38 | Wife | — | Austria |
| 48 | Solomon Tessman | 16 | Son | — | Illinois |
| 49 | Anna Tessman | 14 | Daughter | — | Illinois |
| 50 | Jacob Tessman | 7 | Son | — | Illinois |
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)