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James Byrne — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this James Byrne across the 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a head (b.~1866), then head of a 10-person household.
Age 64
b. ~1866
Male
Head
Born: Ireland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Byrne |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1886 |
| Age at First Marriage | 35 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Laborer |
| Industry | Plumbing |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 45 |
| Radio Set | R |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Laborer |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1866 |
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 |
|---|---|---|---|---|
| Donald Byrne | Son | — | 7 | ~1923 |
| Mary Byrne | Daughter | — | 13 | ~1917 |
| Julia Byrne | Daughter | — | 24 | ~1906 |
| Bernice Byrne | Daughter | — | 17 | ~1913 |
| James Byrne | Head | — | 64 | ~1866 |
| John Byrne | Son | — | 25 | ~1905 |
| Irene Byrne | Daughter | — | 8 | ~1922 |
| Catherine Byrne | Other | — | 50 | ~1880 |
| James Byrne | Son | — | 20 | ~1910 |
| Helen Byrne | Daughter | — | 19 | ~1911 |
Census Appearances
1920
Cook, Illinois
Head, age 52
Cook, Illinois · implied b. ~1868 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Byrne |
| Given Name | James F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1885 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth Country | Ireland |
| Year of Naturalization | 1890 |
| Birthplace (normalized) | ireland |
1930
Cook, Illinois
Head, age 64
Cook, Illinois · implied b. ~1866 — 10 household members
| Surname | Byrne |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1886 |
| Age at First Marriage | 35 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Industry | Plumbing |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 45 |
| Radio Set | R |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 Byrne across 2 US Census years (1920 and 1930) in Cook, Illinois, using XGBoost record linkage.
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This person
Anchor record
James Byrne
Head · 1930 · age 64 · b. ~1866 · Illinois
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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
44 people indexed on this census page (ia:1930:illinoiscensus00reel473:0965)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George M Couper | 58 | Head | Master Mechanic | Michigan |
| 2 | Hattie Couper | 55 | Wife-H | None | Illinois |
| 3 | George S Couper | 29 | Son | Radio Engineer | Illinois |
| 4 | Clarence S Couper | 24 | Son | Roofer | Illinois |
| 5 | Delmar H Couper | 19 | Son | Asst Cashier | Illinois |
| 6 | Louis Zwierzykowski | 54 | Head | Blacksmith Wagon Maker | Poland |
| 7 | Mary Zwierzykowski | 45 | Wife-H | None | Poland |
| 8 | Valeria Zwierzykowski | 25 | daughter | Seamstress | Illinois |
| 9 | Estelle Zwierzykowski | 22 | daughter | Typist | Illinois |
| 10 | Julius Zwierzykowski | 21 | son | Blacksmith Wagon Maker | Illinois |
| 11 | Stephanie Zwierzykowski | 18 | daughter | Stenographer | Illinois |
| 12 | Bronislaw Zwierzykowski | 15 | son | None | Illinois |
| 13 | Eugenia Zwierzykowski | 11 | daughter | None | Illinois |
| 14 | James Byrne THIS PERSON | 64 | Head | Laborer | Ireland |
| 15 | Catherine Byrne | 50 | Wife-H | None | Ireland |
| 16 | John Byrne | 25 | son | Ticket Clerk | Illinois |
| 17 | Julia Byrne | 24 | daughter | Operator | Illinois |
| 18 | James Jr Byrne | 20 | son | Shipping Clerk | Illinois |
| 19 | Helen Byrne | 19 | daughter | None | Illinois |
| 20 | Bernice Byrne | 17 | daughter | None | Illinois |
| 21 | Mary Byrne | 13 | daughter | None | Illinois |
| 22 | Irene Byrne | 8 | daughter | None | Illinois |
| 23 | Donald Byrne | 7 | son | None | Illinois |
| 24 | Raymond Walker | 27 | Head | Motorman | Iowa |
| 25 | Dorothy Walker | 23 | wife-H | None | Illinois |
| 26 | Evelyn Walker | 3 | daughter | None | Illinois |
| 27 | Frances Herman | 45 | Head-H | Seamstress | Germany |
| 28 | Raymond Herman | 22 | son | None | Illinois |
| 29 | Edward Herman | 21 | son | Service Man | Illinois |
| 30 | Virginia Herman | 16 | daughter | None | Illinois |
| 31 | Mary Yakus | 47 | Head-H | Seamstress | Lithuania |
| 32 | Sergius Yakus | 23 | son | Salesman | Russia |
| 33 | John Hirth | 26 | Head | Trucker | Hungary |
| 34 | Mary Hirth | 24 | Wife | None | Jugo Slavia |
| 35 | Eleanor Hirth | 3 | daughter | None | Illinois |
| 36 | John Jr Hirth | 1 | son | None | Illinois |
| 37 | Bertha Inufutowski | 53 | Head-H | None | Illinois |
| 38 | Leona Inufutowski | 31 | daughter | Accountant | Illinois |
| 44 | Jakob Magnus Jacobsen | 27 | Head | Laborer | Norway |
| 45 | Leta Marie Jacobsen | 23 | Wife-H | None | Norway |
| 46 | Lura May Jacobsen | 1 | daughter | None | Illinois |
| 47 | Fred Munch | 46 | Head-H | None | Illinois |
| 48 | Katherine Munch | 18 | daughter | Assembling | Illinois |
| 49 | Herbert Munch | 15 | son | Packing | 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)