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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.~1925), then head of a 8-person household.
Age 5
b. ~1925
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 | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1925 |
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 |
|---|---|---|---|---|
| Lenora Mccann | Daughter | — | 26 | ~1904 |
| Augusta Leary | Spouse | — | 46 | ~1884 |
| Frances Mccann | Son | — | 7 | ~1923 |
| Jean Leary | Daughter | — | 10 | ~1920 |
| John Mccann | Son | — | 5 | ~1925 |
| Edmund Leary | Son | — | 17 | ~1913 |
| John Leary | Head | — | 62 | ~1868 |
| Basil Leary | Son | — | 21 | ~1909 |
Census Appearances
1930
Cook, Illinois
Son, age 5
Cook, Illinois · implied b. ~1925 — 8 household members
| Surname | McCann |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 16
Cook-County, Illinois · implied b. ~1924 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | MCCANNA |
| Given Name | JOHN |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Highest Grade | S 1 |
| 1935 Residence | Same House |
| 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 5 · b. ~1925 · Illinois
★ You are viewing this record
Sibling
Edmund Leary
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lenora Mccann
Sibling · 1930 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Basil Leary
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Leary
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Mccann
Sibling · 1930 · age 7
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:illinoiscensus00reel477:0555)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Daughter Glendean | 21 | Daughter | — | Illinois |
| 52 | Donald Glendean | 12 | Son | — | Illinois |
| 53 | Emilie Heil | 64 | Head | — | Ohio |
| 54 | Florence Heil | 31 | Daughter | Stenographer | Illinois |
| 55 | Charles H. Smith | 44 | Head | Salesman | New York |
| 56 | Reba Smith | 43 | Wife | — | New York |
| 57 | Irene M. Greene | 21 | Daughter | — | New York |
| 58 | George H. Greene | 22 | Son-in-law | Salesman | Illinois |
| 59 | Abraham Herzog | 39 | Head | Manufacturer | New York |
| 60 | Marie Herzog | 36 | Wife | — | Pennsylvania |
| 61 | Betty M. Herzog | 6 | Daughter | — | Illinois |
| 62 | William G. Herzog | 2 | Son | — | Illinois |
| 63 | Nathan Buchalter | 33 | Head | Inspector | Austria Vienna |
| 64 | Sarah Buchalter | 31 | Wife | — | Russia |
| 65 | Gertrude Buchalter | 12 | Daughter | — | Illinois |
| 66 | Oscar Buchalter | 9 | Son | — | Illinois |
| 67 | Irving Buchalter | 5 | Son | — | Illinois |
| 68 | Max Glick | 55 | Head | Peddler | Russia |
| 69 | Dora Glick | 52 | Wife | — | Russia |
| 70 | Diana Glick | 27 | Daughter | Stenographer | Illinois |
| 71 | Ralph Glick | 22 | Son | Salesman | Illinois |
| 72 | Jerome Glick | 19 | Son | — | Illinois |
| 73 | Nellie Kern | 65 | Head | — | Canada English |
| 74 | Alma Kern | 37 | Daughter | Asst Buyer | Canada English |
| 75 | Albert Swanson | 36 | Head | Clerk | Illinois |
| 76 | Isabell Swanson | 33 | Wife | — | Illinois |
| 77 | Janis Swanson | 1 | Daughter | — | Illinois |
| 78 | Lena Torbjornsen | 42 | Head | — | Norway |
| 79 | Carrie Torbjornsen | 19 | Daughter | Saleslady | Illinois |
| 80 | Jessie Torbjornsen | 14 | Son | Clerk | Illinois |
| 81 | Axel Excell | 67 | Head | Editor | Sweden |
| 82 | Hilda Excell | 67 | Wife | — | Sweden |
| 83 | Alice Excell | 38 | Daughter | Secretary | Minnesota |
| 84 | Harriet Stanton | 28 | Lodger | Receptionist | Wisconsin |
| 85 | Sam Laswitz | 59 | Head | Shoe Maker | Russia |
| 86 | Rebecca Laswitz | 55 | Wife | — | Russia |
| 87 | Charles Laswitz | 30 | Son | Caretaker | Russia |
| 88 | John Leary | 62 | Head | Doorman | Massachusetts |
| 89 | Augusta Leary | 46 | Wife | — | Illinois |
| 90 | Basil Leary | 21 | Son | Clerk | Illinois |
| 91 | Edmund Leary | 17 | Son | Clerk | Illinois |
| 92 | Jean Leary | 10 | Daughter | — | Illinois |
| 93 | Lenora Mccann | 26 | Daughter | — | Illinois |
| 94 | Frances Mccann | 7 | Son | — | Illinois |
| 95 | John Mccann THIS PERSON | 5 | Son | — | Illinois |
| 96 | Charles Kepner | 50 | Head | Clerk | Illinois |
| 97 | Lavina Kepner | 47 | Wife | — | Illinois |
| 98 | Herbert Sanders | 74 | Father-in-law | — | England |
| 99 | James Locke | 47 | Lodger | Engineer | Illinois |
| 100 | Adin Patterson | 46 | Head | Millwright | Vermont |
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)