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John Mccann — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this John Mccann across the 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a son (b.~1910), then head of a 8-person household.
Age 20
b. ~1910
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | McCann |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Helper |
| Industry | Theater |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Helper |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1910 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Catherine Mccann | Other | — | 50 | ~1880 |
| Charles Mccann | Son | — | 22 | ~1908 |
| Edward Mccann | Son | — | 17 | ~1913 |
| Thomas Mccann | Son | — | 24 | ~1906 |
| John Mccann | Head | — | 62 | ~1868 |
| Frances Mccann | Son | — | 26 | ~1904 |
| John Mccann | Son | — | 20 | ~1910 |
| Mary Mccann | Daughter | — | 30 | ~1900 |
Census Appearances
1930
Cook, Illinois
Son, age 20
Cook, Illinois · implied b. ~1910 — 8 household members
| Surname | McCann |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Helper |
| Industry | Theater |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 31
Cook-County, Illinois · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McHann |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Helper boiler maker |
| Industry | Meat Packing Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 700 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| 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 Mccann across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Mccann
Son · 1930 · age 20 · b. ~1910 · Illinois
★ You are viewing this record
Sibling
Mary Mccann
Sibling · 1930 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Mccann
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Mccann
Sibling · 1930 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Mccann
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Mccann
Sibling · 1930 · age 24
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:illinoiscensus00reel437:1013)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Mccann | 62 | Head | Janitor | Ireland |
| 2 | Catherine Mccann | 50 | Wife-H | None | Ireland |
| 3 | Mary Mccann | 30 | daughter | None | Illinois |
| 4 | Frances Mccann | 26 | son | Repairing | Illinois |
| 5 | Thomas Mccann | 24 | son | Office Clerk | Illinois |
| 6 | Charles Mccann | 22 | son | Office Clerk | Illinois |
| 7 | John Mccann THIS PERSON | 20 | son | Helper | Illinois |
| 8 | Edward Mccann | 17 | son | None | Illinois |
| 9 | Alex Matyjewski | 45 | Head | Painter | Austria |
| 10 | Anna Matyjewski | 38 | wife-H | None | Austria |
| 11 | Sophia Matyjewski | 7 | daughter | None | Illinois |
| 12 | George Chupa | 23 | roomer | Laborer | Illinois |
| 13 | Louis Kritch | 49 | Head | Laborer | Austria |
| 14 | Minnie Kritch | 46 | wife-H | None | Austria |
| 15 | Charles Kritch | 19 | son | Mechanic | Illinois |
| 16 | Hattie Baker | 56 | Head | House Work | Illinois |
| 17 | Edna Baker | 46 | sister | Clerical | Illinois |
| 18 | Fred Wasenber | 61 | Head | Car Oiler | Germany |
| 19 | Elizabeth Wasenber | 72 | wife-H | None | Illinois |
| 20 | Frank B. Phillips | 45 | Head | Carpenter | England |
| 21 | Ada A. Phillips | 49 | wife-H | None | England |
| 22 | Allen E. Phillips | 19 | son | Errand Boy | Illinois |
| 23 | Marjorie Phillips | 16 | daughter | Clerk | Illinois |
| 24 | Grace Phillips | 15 | daughter | None | Illinois |
| 25 | Mathias Schaefer | 34 | Head | Clerking | Austria |
| 26 | Elsie Schaefer | 18 | daughter | Clerking | New York |
| 27 | Hannah Knight | 66 | Head | None | England |
| 28 | Edith Knight | 24 | daughter | None | Illinois |
| 29 | — | None | — | None | — |
| 30 | Gustave Oettel | 39 | Head | Carpenter | Pennsylvania |
| 31 | Edith Oettel | 49 | wife-H | Office Clerk | Missouri |
| 32 | Bertha Oettel | 12 | daughter | None | Illinois |
| 33 | Marion Oettel | 10 | daughter | None | Illinois |
| 34 | Esther Oettel | 4 | daughter | None | Illinois |
| 35 | Kenneth Peters | 65 | Head | None | New York |
| 36 | Charles Peters | 29 | son | Laborer | New York |
| 37 | Peter Gangul | 44 | Head | Stat. Engine | Lithuania |
| 38 | Magdalene Gangul | 45 | wife-H | None | Lithuania |
| 39 | Anthony Gangul | 21 | son | Firing | Illinois |
| 40 | Peter Gangul | 17 | son | Laborer | Illinois |
| 41 | Beatrice Gangul | 12 | daughter | None | Illinois |
| 42 | Joseph Gangul | 50 | Head | Hostler | Lithuania |
| 43 | Mary Gangul | 48 | wife-H | None | Lithuania |
| 44 | Henry Scanlon | 50 | Head | Janitor | Ireland |
| 45 | Catherine Scanlon | 45 | wife-H | None | Ireland |
| 46 | Mary Scanlon | 10 | daughter | None | Illinois |
| 47 | Thomas Scanlon | 6 | son | None | Illinois |
| 48 | Anna Scanlon | 4 | daughter | None | Illinois |
| 49 | John Scanlon | 2 | son | None | Illinois |
| 50 | Stella Sergentis | 40 | Head | Janitress | Lithuania |
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)