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John Mckenzie — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this John Mckenzie across the 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 9-person household.
Age 7
b. ~1923
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | McKenzie |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| 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 | ~1923 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Albert Mckenzie | Son | — | 21 | ~1909 |
| John Mckenzie | Son | — | 7 | ~1923 |
| Alfreda Mckenzie | Daughter | — | 15 | ~1915 |
| Clara Mckenzie | Daughter | — | 19 | ~1911 |
| Elvin Mckenzie | Son | — | 11 | ~1919 |
| Mary Mckenzie | Spouse | — | 38 | ~1892 |
| Frederick Mckenzie | Son | — | 6 | ~1924 |
| Calvin Mckenzie | Son | — | 3 | ~1927 |
| James Mckenzie | Head | — | 51 | ~1879 |
Census Appearances
1930
Cook, Illinois
Son, age 7
Cook, Illinois · implied b. ~1923 — 9 household members
| Surname | McKenzie |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| 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 19
Cook-County, Illinois · implied b. ~1921 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | MacKenzie |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Clerk |
| Industry | Kodak Co |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 768 |
| Highest Grade | H-4 |
| 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 Mckenzie across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Mckenzie
Son · 1930 · age 7 · b. ~1923 · Illinois
★ You are viewing this record
Sibling
Frederick Mckenzie
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clara Mckenzie
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elvin Mckenzie
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Calvin Mckenzie
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alfreda Mckenzie
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Mckenzie
Sibling · 1930 · age 21
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:illinoiscensus00reel430:0861)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Edgar C. Bridgem | 61 | Head | Grocer | Illinois |
| 52 | Kathryn Bridgem | 51 | Wife | — | Luxemburg |
| 53 | Rudolph A. Moline | 35 | Head | Sales Agent | Illinois |
| 54 | Adelaide M. Moline | 28 | Wife | — | Illinois |
| 55 | Marylyn J. Moline | 4 | Daughter | — | Illinois |
| 56 | Edward Bevillan | 35 | Head | Real Estate Tax Agent | New York |
| 57 | Mabel C. Bevillan | 33 | Wife | — | Illinois |
| 58 | Joyce L. Bevillan | 6 | Daughter | — | Illinois |
| 59 | Charles E. Bevillan | 2 | Son | — | Illinois |
| 60 | Amanda Moline | 60 | Head | — | Sweden |
| 61 | Carl A. Moline | 31 | Son | Electrician | Illinois |
| 62 | Arthur A. Moline | 29 | Son | Electrician | Illinois |
| 63 | Sadie M. Moline | 27 | Daughter | — | Illinois |
| 64 | Ethel M. Moline | 26 | Daughter-in-law | Clerk-Office | New Jersey |
| 65 | Eleanor J. Moline | 3 | Grand Daughter | — | Illinois |
| 66 | Eva L. Carlson | 10 | Lodger | — | Illinois |
| 67 | Jay Stewart | 69 | Head | — | Illinois |
| 68 | Isabel J. Stewart | 68 | Wife | — | Ohio |
| 69 | Ralph H. Stewart | 39 | Son | Assembler | Illinois |
| 70 | Walter F. Stewart | 15 | Grand Son | — | Ohio |
| 71 | Mary C. Stewart | 12 | Grand Daughter | — | Ohio |
| 72 | William J. Whiteman | 47 | Head | Electrician | Pennsylvania |
| 73 | Grace B. Whiteman | 45 | Wife | — | Kentucky |
| 74 | Charles Faasle | 19 | Lodger | Apprentice Electrician | Illinois |
| 75 | Harry Weinstein | 37 | Head | Salesman | Poland |
| 76 | Anna Weinstein | 35 | Wife | — | Poland |
| 77 | Melvin Weinstein | 13 | Son | — | Illinois |
| 78 | Morton M. Weinstein | 2 | Son | — | Illinois |
| 79 | Lester Weinstein | 29 | Brother | News Dealer | Poland |
| 80 | James J. Mckenzie | 51 | Head | Millwright | Illinois |
| 81 | Mary M. Mckenzie | 38 | Wife | — | Illinois |
| 82 | Albert J. Mckenzie | 21 | Son | Inspector | Illinois |
| 83 | Clara E. Mckenzie | 19 | Daughter | Mangle Operator | Illinois |
| 84 | Alfreda H. Mckenzie | 15 | Daughter | — | Illinois |
| 85 | Elvin Mckenzie | 11 | Son | — | Illinois |
| 86 | John Mckenzie THIS PERSON | 7 | Son | — | Illinois |
| 87 | Frederick Mckenzie | 6 | Son | — | Illinois |
| 88 | Calvin C. Mckenzie | 3 | Son | — | Illinois |
| 89 | William T. Sprick | 64 | Head | Burnisher | Wisconsin |
| 90 | Pauline Sprick | 65 | Wife | — | Wisconsin |
| 91 | Edward Hoppe | 66 | Head | Carpenter | Germany |
| 92 | Anna Hoppe | 63 | Wife | — | Germany |
| 93 | Walter Buchholz | 36 | Head | Clerk-Office | Germany |
| 94 | Marguerite Buchholz | 30 | Wife | Bookkeeper | Illinois |
| 95 | Clarisse M. Dubois | 49 | Head | — | Belgium |
| 96 | Reginald E. Dubois | 27 | Son | Salesman | Illinois |
| 97 | Relston A. Dubois | 13 | Son | — | Illinois |
| 98 | Cecelia H. Dubois | 26 | Daughter | — | Illinois |
| 99 | Albert H. Andre | 49 | Head | Chef | Germany |
| 100 | William H. Andre | 17 | Son | — | England |
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)