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John Roach — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Cook, Illinois
Our Model Tree links this John Roach across the 1910 and 1920 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a son (b.~1899), then head of a 6-person household.
Age 21
b. ~1899
Male
Son
Born: Illinois
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Cook, Illinois |
| Surname | Roach |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | mechanic |
| Industry | phonograph |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Mechanic |
| Township / Ward | 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.
6 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Genevieve Roach | Daughter | — | 14 | ~1906 |
| John Roach | Head | — | 46 | ~1874 |
| Edward Roach | Son | — | 23 | ~1897 |
| Walter Roach | Son | — | 10 | ~1910 |
| John Roach | Son | — | 21 | ~1899 |
| Barbara Roach | Spouse | — | 45 | ~1875 |
Census Appearances
1910
Cook, Illinois
Son, age 10
Cook, Illinois · implied b. ~1900 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roach |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Son, age 21
Cook, Illinois · implied b. ~1899 — 6 household members
| Surname | Roach |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | mechanic |
| Industry | phonograph |
| 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 John Roach across 2 US Census years (1910 and 1920) in Cook, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
John Roach
Son · 1920 · age 21 · b. ~1899 · Illinois
★ You are viewing this record
Sibling
Walter Roach
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Roach
Sibling · 1920 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Genevieve Roach
Sibling · 1920 · age 14
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:1920:14thcensusofpopu334unit:0425)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | William Klunger | 8 | nephew | None | Illinois |
| 52 | Otto F. Roedel | 37 | head | Shipping Clerk | Germany |
| 53 | Amanda Roedel | 30 | wife | None | Illinois |
| 54 | Le Roy Roedel | 11 | son | None | Illinois |
| 55 | Frances Roedel | 9 | daughter | None | Illinois |
| 56 | Mildred Roedel | 2 | daughter | None | Illinois |
| 57 | Louis Roedel | 58 | father | Machinist | Germany |
| 58 | John F. Bernat | 27 | head | Draftsman | Germany |
| 59 | Jessie Bernat | 27 | wife | None | England |
| 60 | Herbert Gilbert | 25 | head | Printer | Illinois |
| 61 | George Gilbert | 22 | brother | Clerk | Illinois |
| 62 | Reuben Gilbert | 14 | brother | None | Illinois |
| 63 | Edward Gilbert | 12 | brother | None | Illinois |
| 64 | Ella Knabe | 27 | sister | None | Illinois |
| 65 | Henry Sandberg | 41 | head | Iron Work | Illinois |
| 66 | Tillie Sandberg | 36 | wife | None | Illinois |
| 67 | Gilbert Sandberg | 13 | son | None | Illinois |
| 68 | Florence Sandberg | 10 | daughter | None | Illinois |
| 69 | Evelyn Sandberg | 5 | daughter | None | Illinois |
| 70 | Albertina Lundberg | 43 | head | Tailor Work | Sweden |
| 71 | Emily Hollander | 78 | head | None | Sweden |
| 72 | John Hollander | 49 | son | Tailor | Illinois |
| 73 | Emily Hollander | 30 | daughter | Clerk | Illinois |
| 74 | Edward S. Reese | 33 | head | Pressman | Illinois |
| 75 | Ada Reese | 31 | wife | None | Pennsylvania |
| 76 | Edward S. Reese | 13 | son | None | Ohio |
| 77 | Ray Reese | 11 | son | None | Ohio |
| 78 | Gerald Reese | 7 | son | None | Illinois |
| 79 | Simon Young | 47 | head | Barber | Ohio |
| 80 | Marie Young | 42 | wife | None | Vermont |
| 81 | Melva Marquis | 19 | daughter | Typist | Vermont |
| 82 | Henry P. Sartorius | 36 | head | Engineer | South Dakota |
| 83 | Hazel Sartorius | 31 | wife | None | Indiana |
| 84 | H. Paul Sartorius | 7 | son | None | Illinois |
| 85 | Henry L. Koch | 44 | head | Secretary | Germany |
| 86 | Lizzie K. Koch | 43 | wife | None | Germany |
| 87 | Fred G. Koch | 23 | son | Book-Keeper | New Jersey |
| 88 | Albert Wm. Koch | 18 | son | Student | New Jersey |
| 89 | Walter E. Koch | 13 | son | None | New Jersey |
| 90 | Otto Maili | 60 | head | Wood Worker | Switzerland |
| 91 | Alise Maili | 52 | wife | None | Germany |
| 92 | Elsie Maili | 19 | daughter | Teacher | Illinois |
| 93 | Bruno Le Geber | 31 | head | Instructor | Germany |
| 94 | Pauline Le Geber | 28 | wife | None | Illinois |
| 95 | John Roach | 46 | head | Mechanic | Illinois |
| 96 | Barbara Roach | 45 | wife | None | Illinois |
| 97 | Edward Roach | 23 | son | Salesman | Illinois |
| 98 | John Roach THIS PERSON | 21 | son | Mechanic | Illinois |
| 99 | Genevieve Roach | 14 | daughter | None | Illinois |
| 100 | Walter Roach | 10 | son | None | Illinois |
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)