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James Roach — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this James Roach across the 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a head (b.~1866), then head of a 7-person household.
Age 64
b. ~1866
Male
Head
Born: Ireland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Roach |
| 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 | 1895 |
| Age at First Marriage | 31 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Carpenter |
| Industry | Odd Jobs |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 35.00 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Carpenter |
| 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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Helen Roach | Daughter | — | 16 | ~1914 |
| James Roach | Son | — | 28 | ~1902 |
| Maurice Roach | Son | — | 26 | ~1904 |
| John Roach | Son | — | 21 | ~1909 |
| Ellen Roach | Other | — | 59 | ~1871 |
| James Roach | Head | — | 64 | ~1866 |
| Julia Roach | Daughter | — | 24 | ~1906 |
Census Appearances
1920
Will, Illinois
Head, age 55
Will, Illinois · implied b. ~1865 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roach |
| Given Name | James H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Ireland |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
Cook, Illinois
Head, age 64
Cook, Illinois · implied b. ~1866 — 7 household members
| Surname | Roach |
| 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 | 1895 |
| Age at First Marriage | 31 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Carpenter |
| Industry | Odd Jobs |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 35.00 |
| Radio Set | R |
| Veteran | No |
| 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 Roach across 2 US Census years (1920 and 1930) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
James Roach
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
50 people indexed on this census page (ia:1930:illinoiscensus00reel437:0417)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Kate Driscoll | 60 | Head | Dressmaker | Missouri |
| 52 | Louis P. Post | 33 | Head | Accountant | New York |
| 53 | Mabel Post | 30 | Wife-H | — | Pennsylvania |
| 54 | Jean Post | 2 | Daughter | — | Illinois |
| 55 | Frank Perfert | 25 | Head | Meat Buyer | Illinois |
| 56 | Ada Perfert | 24 | Wife-H | Comptometer | Kentucky |
| 57 | Harold Condon | 31 | Head | Fireman | Illinois |
| 58 | Lucille Condon | 25 | Wife-H | — | Illinois |
| 59 | Lucille Condon | 8 | Daughter | — | Illinois |
| 60 | George Foster | 29 | Head | Elec Engineer | Illinois |
| 61 | Lauretta Foster | 29 | Wife-H | — | Illinois |
| 62 | George Foster | 5 | Son | — | Illinois |
| 63 | Lorraine Foster | 1 | Daughter | — | Illinois |
| 64 | Raymond Millet | 45 | Head | Collector | Ohio |
| 65 | Rose Millet | 42 | Wife-H | — | Michigan |
| 66 | Harold Millet | 23 | Retail Furniture | Shipping Clerk | Illinois |
| 67 | Raymond Millet | 20 | Son | Messenger | Illinois |
| 68 | Wilbert Millet | 13 | Son | — | Illinois |
| 69 | James Darken | 30 | Head | Foreman | Illinois |
| 70 | Bernice Darken | 24 | Wife-H | — | Constantinople |
| 71 | James Darken | 7 | Son | — | Illinois |
| 72 | Nora Butler | 57 | Mother-in-law | — | Illinois |
| 73 | Vernon Witkowsky | 61 | Head | Carpenter | Germany |
| 74 | Anna Witkowsky | 58 | Wife-H | — | Illinois |
| 75 | Harry Witkowsky | 26 | Son | Checker | Illinois |
| 76 | Beulah Witkowsky | 23 | Daughter | Saleslady | Illinois |
| 77 | Herman Witkowsky | 19 | Son | Carpenter | Illinois |
| 78 | Evelyn Witkowsky | 16 | Daughter | — | Illinois |
| 79 | Dorothy Witkowsky | 12 | Daughter | — | Illinois |
| 80 | James Roach THIS PERSON | 64 | Head | Carpenter | Ireland |
| 81 | Ellen Roach | 59 | Wife-H | — | Ireland |
| 82 | James J. Roach | 28 | Son | Laborer | Illinois |
| 83 | Maurice Roach | 26 | Son | Truck Driver | Illinois |
| 84 | Julia Roach | 24 | Daughter | Stenographer | Illinois |
| 85 | John P. Roach | 21 | Son | Bank Clerk | Illinois |
| 86 | Helen Roach | 16 | Daughter | — | Illinois |
| 87 | Frank Aiguell | 46 | Head | Laborer | Italy |
| 88 | Anna Aiguell | 41 | Wife-H | — | Italy |
| 89 | Elvira Aiguell | 13 | Daughter | — | Illinois |
| 90 | James Aiguell | 8 | Son | — | Illinois |
| 91 | Catherine Ruddy | 60 | Head | — | Free State Ireland |
| 92 | Marion Ruddy | 23 | Daughter | Stenographer | Illinois |
| 93 | Catherine Ruddy | 21 | Daughter | Stenographer | Illinois |
| 94 | Dennis Doyle | 43 | Head | Chauffeur | Illinois |
| 95 | Sophia Doyle | 37 | Wife-H | — | Germany |
| 96 | Marie Duncan | 64 | Mother-in-law | — | Germany |
| 97 | John Duncan | 39 | Brother-in-law | Foreman | Germany |
| 98 | Fred H. Kroff | 38 | Head | Inspector | Illinois |
| 99 | Minnie Kroff | 37 | Wife-H | — | Illinois |
| 100 | Fred Kroff | 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)