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John Mckenzie — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Schuylkill-County, Pennsylvania
Our Model Tree links this John Mckenzie across the 1930 and 1940 US Censuses in Schuylkill-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 11-person household.
Age 19
b. ~1921
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Schuylkill-County, Pennsylvania |
| Surname | McKenzie |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | St. Clair Boro |
| Additional Details | |
| Highest Grade | Hs 2 |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | St Clair Boro |
| Est. Birth Year | ~1921 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| William Mckenzie | Son | — | 17 | ~1923 |
| John Mckenzie | Son | — | 19 | ~1921 |
| George Mckenzie | Son | — | 12 | ~1928 |
| Daniel Mckenzie | Son | — | 16 | ~1924 |
| Thomas Mckenzie | Son | — | 9 | ~1931 |
| Francis Mckenzie | Son | — | 11 | ~1929 |
| James Mckenzie | Son | — | 4 | ~1936 |
| George Mckenzie | Head | — | 48 | ~1892 |
| Mary Mckenzie | Spouse | — | 47 | ~1893 |
| Marie Mckenzie | Daughter | — | 7 | ~1933 |
| Joseph Mckenzie | Son | — | 14 | ~1926 |
Census Appearances
1930
Schuylkill, Pennsylvania
Son, age 9
Schuylkill, Pennsylvania · implied b. ~1921 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mc Kenzie |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Schuylkill-County, Pennsylvania
Son, age 19
Schuylkill-County, Pennsylvania · implied b. ~1921 — 11 household members
| Surname | McKenzie |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | St. Clair Boro |
| Highest Grade | Hs 2 |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 · 1940 · age 19 · b. ~1921 · Pennsylvania
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Sibling
Thomas Mckenzie
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Mckenzie
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Mckenzie
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mckenzie
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Mckenzie
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Mckenzie
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Mckenzie
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Mckenzie
Sibling · 1940 · 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
1940 US Federal Census — Schuylkill-County, Pennsylvania
Open full size
1940 US Federal Census — Schuylkill-County, Pennsylvania
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03606-00084)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Florence M. Devlin | 29 | Daughter | Producer | Pennsylvania |
| 2 | John P. Campion | 29 | Son-in-law | Collector | Pennsylvania |
| 3 | Patrick J. Campion | 3 | Son | — | Pennsylvania |
| 4 | Gomer H. Jones | 38 | Head | Broker | Pennsylvania |
| 5 | Alice K. Jones | 65 | Mother | — | Pennsylvania |
| 6 | Miss Anna Sights | 25 | Sister | Teacher | Pennsylvania |
| 7 | Anna Bock | 49 | Head | Housemaid | Austria |
| 8 | Steve Jr. Bock | 22 | Son | Labor | Pennsylvania |
| 9 | John M. Pouchon | 31 | Head | Powder | Pennsylvania |
| 10 | Catherine Pouchon | 31 | Wife | — | Pennsylvania |
| 11 | John Pouchon | 6 | Son | — | Pennsylvania |
| 12 | Dorothy Pouchon | 5 | Daughter | — | Pennsylvania |
| 13 | Peter Paul Pouchon | 4 | Son | — | Pennsylvania |
| 14 | Michael Pouchon | 2 | Son | — | Pennsylvania |
| 15 | George J. Mckenzie | 48 | Head | Labor | Pennsylvania |
| 16 | Mary A. Mckenzie | 47 | Wife | — | Pennsylvania |
| 17 | John Mckenzie THIS PERSON | 19 | Son | — | Pennsylvania |
| 18 | William Mckenzie | 17 | Son | — | Pennsylvania |
| 19 | Daniel Mckenzie | 16 | Son | — | Pennsylvania |
| 20 | Joseph Mckenzie | 14 | Son | — | Pennsylvania |
| 21 | George Mckenzie | 12 | Son | — | Pennsylvania |
| 22 | Francis Mckenzie | 11 | Son | — | Pennsylvania |
| 23 | Thomas Mckenzie | 9 | Son | — | Pennsylvania |
| 24 | Marie Mckenzie | 7 | Daughter | — | Pennsylvania |
| 25 | James Mckenzie | 4 | Son | — | Pennsylvania |
| 26 | Harry L. Denning | 35 | Head | — | Pennsylvania |
| 27 | Anna M. Denning | 35 | Wife | — | Pennsylvania |
| 28 | Joan Denning | 7 | Daughter | — | Pennsylvania |
| 29 | Charles Miller | 54 | Head | Pastor | Pennsylvania |
| 30 | Margaret G. Miller | 56 | Wife | — | Pennsylvania |
| 31 | Margaret A. Miller | 18 | Daughter | — | Pennsylvania |
| 32 | Mary C. Roche | 76 | Head | — | Pennsylvania |
| 33 | Ellen Kline | 77 | Sister | — | Pennsylvania |
| 34 | Lawrence Williams | 67 | Head | — | Pennsylvania |
| 35 | Margaret M. Williams | 50 | Wife | — | Pennsylvania |
| 36 | A. Justina | 24 | Daughter | Clerk | Pennsylvania |
| 37 | J. John | 60 | Lodger | Timekeeper | Pennsylvania |
| 38 | Jacob Kling | 41 | Head | Manager | Russia |
| 39 | Gertrude Kling | 20 | Wife | — | New York |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)