JI
John Irwin — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this John Irwin across the 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a head (b.~1870), then head of a 5-person household.
Age 60
b. ~1870
Male
Head
Born: Newfoundland
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Irwin |
| Given Name | John F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Widowed |
| Birthplace | Newfoundland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1887 |
| Age at First Marriage | 22 |
| Father's Birthplace | Newfoundland |
| Mother's Birthplace | Newfoundland |
| Additional Details | |
| Occupation | Sign Painter |
| Industry | Own Business |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 35.00 |
| Birth Country | Canada |
| Birthplace (normalized) | newfoundland |
| Occupation | Sign Painter |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1870 |
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 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| William Irwin | Son | — | 21 | ~1909 |
| Theresa Irwin | Daughter | — | 25 | ~1905 |
| John Irwin | Head | — | 60 | ~1870 |
| Katherine Irwin | Daughter | — | 23 | ~1907 |
| Elizabeth Irwin | Daughter | — | 20 | ~1910 |
Census Appearances
1920
Cook, Illinois
Head, age 50
Cook, Illinois · implied b. ~1870 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Irwin |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Newfoundland |
| Year of Immigration | 1887 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Newfoundland |
| Mother's Birthplace | Newfoundland |
| Occupation | Designer |
| Industry | Advertising |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Canada |
| Year of Naturalization | 1896 |
| Birthplace (normalized) | newfoundland |
1930
Cook, Illinois
Head, age 60
Cook, Illinois · implied b. ~1870 — 5 household members
| Surname | Irwin |
| Given Name | John F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Widowed |
| Birthplace | Newfoundland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1887 |
| Age at First Marriage | 22 |
| Father's Birthplace | Newfoundland |
| Mother's Birthplace | Newfoundland |
| Occupation | Sign Painter |
| Industry | Own Business |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 35.00 |
| Birth Country | Canada |
| Birthplace (normalized) | newfoundland |
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 John Irwin across 2 US Census years (1920 and 1930) in Cook, Illinois, using XGBoost record linkage.
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This person
Anchor record
John Irwin
Head · 1930 · age 60 · b. ~1870 · 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
50 people indexed on this census page (ia:1930:illinoiscensus00reel447:0033)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Dorothy Richardson | 14 | Daughter | — | Illinois |
| 52 | Mary Ann Richardson | 5 | Daughter | — | Illinois |
| 53 | Robert M. Richardson | 2 | Son | — | Illinois |
| 54 | Emiline S. Logue | 65 | Head | — | Indiana |
| 55 | Louisa H. Logue | 52 | Sister | — | Indiana |
| 56 | Mary Selsford | 37 | Head | — | Illinois |
| 57 | Mary Selsford | 28 | Daughter | Clerk | Illinois |
| 58 | Josephine Selsford | 26 | Daughter | Stenographer | Illinois |
| 59 | Margaret Selsford | 24 | Daughter | Office Girl | Illinois |
| 60 | Katherine Selsford | 22 | Daughter | Office Girl | Illinois |
| 61 | Helen Selsford | 21 | Daughter | Stenographer | Illinois |
| 62 | Joseph Selsford | 19 | Son | — | Illinois |
| 63 | John Selsford | 17 | Son | — | Illinois |
| 64 | Beatrice Selsford | 13 | Daughter | — | Illinois |
| 65 | Veronica Selsford | 10 | Daughter | — | Illinois |
| 66 | Fox Edward Wilson | 46 | Lodger | Architect | Canada English |
| 67 | George J. Scully | 29 | Head | Contractor | Illinois |
| 68 | Grace M. Scully | 29 | Wife | — | Illinois |
| 69 | George Scully | 5 | Son | — | Michigan |
| 70 | Agnes Scully | 4 | Daughter | — | Illinois |
| 71 | Geraldine Scully | 1 | Daughter | — | Illinois |
| 72 | Thomas Scully | 0 | Son | — | Illinois |
| 73 | John Scully | 0 | Son | — | Illinois |
| 74 | Kathleen Gacken | 22 | Maid | Maid | Irish Free State |
| 75 | Harry J. Payne | 27 | Head | Salesman | Illinois |
| 76 | Helen Payne | 29 | Wife | — | Illinois |
| 77 | Edward Payne | 2 | Son | — | Illinois |
| 78 | Patrick J. Lynch | 48 | Head | Real Estate | Irish Free State |
| 79 | Margaret Lynch | 45 | Wife | — | Illinois |
| 80 | Dale Lynch | 22 | Son | Milk Man | Illinois |
| 81 | John F. Irwin THIS PERSON | 60 | Head | Sign Painter | Newfoundland |
| 82 | Theresa Irwin | 25 | Daughter | Office Work | New Jersey |
| 83 | Katherine Irwin | 23 | Daughter | — | New York |
| 84 | William E. Irwin | 21 | Son | Sign Painter | Canada English |
| 85 | Elizabeth F. Irwin | 20 | Daughter | — | Newfoundland |
| 86 | Thomas Sullivan | 57 | Head | Laborer | Irish Free State |
| 87 | Mary Sullivan | 55 | Wife | — | Irish Free State |
| 88 | John J. Cusick | 32 | Son-in-law | Patrolman | Illinois |
| 89 | Katherine Cusick | 31 | Daughter | — | Illinois |
| 90 | Corine Cusick | 10 | Granddaughter | — | Illinois |
| 91 | William Sullivan | 20 | Son | Clerk | Illinois |
| 92 | James Cunningham | 49 | Head | Laborer | Illinois |
| 93 | Julia Cunningham | 45 | Sister | Police Lady | Illinois |
| 94 | Frank E. Cunningham | 44 | Brother | Laborer | Illinois |
| 95 | Mary E. Cunningham | 40 | Sister | Clerk | Illinois |
| 96 | Gus Messerschmidt | 58 | Head | Engineer | Germany |
| 97 | Minnie Messerschmidt | 54 | Wife | Lunch Room | Indiana |
| 98 | George Messerschmidt | 20 | Son | Salesman | Illinois |
| 99 | Helen J. Messerschmidt | 15 | Daughter | — | Illinois |
| 100 | John Boyle | 42 | Head | Cleaner | Nebraska |
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)