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John Mckenzie — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Summit-County, Ohio
Our Model Tree links this John Mckenzie across the 1930 and 1940 US Censuses in Summit-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1902), then head of a 11-person household.
Age 38
b. ~1902
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Summit-County, Ohio |
| Surname | McKenzie |
| Given Name | John L |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Coventry Twp. |
| 1935 Residence (County) | Summit |
| Additional Details | |
| Occupation | Mill Man |
| Industry | Rubber Factory |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 1300 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Mill Man |
| Township / Ward | Coventry Twp |
| Est. Birth Year | ~1902 |
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 |
|---|---|---|---|---|
| Agnes Mckenzie | Spouse | — | 35 | ~1905 |
| John Mckenzie | Son | — | 1 | ~1939 |
| Leo Mckenzie | Son | — | 14 | ~1926 |
| Harris Mckenzie | Son | — | 10 | ~1930 |
| Thurle Mckenzie | Son | — | 15 | ~1925 |
| John Mckenzie | Head | — | 38 | ~1902 |
| Kathleen Mckenzie | Daughter | — | 8 | ~1932 |
| Juanita Mckenzie | Daughter | — | 3 | ~1937 |
| Willa Mckenzie | Daughter | — | 12 | ~1928 |
| Martha Mckenzie | Daughter | — | ~1940 | |
| Angelia Mckenzie | Daughter | — | 5 | ~1935 |
Census Appearances
1930
Summit, Ohio
Head, age 28
Summit, Ohio · implied b. ~1902 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McKenzie |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 21 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Inspector |
| Industry | Rubber Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 15.00 |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Summit-County, Ohio
Head, age 38
Summit-County, Ohio · implied b. ~1902 — 11 household members
| Surname | McKenzie |
| Given Name | John L |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Coventry Twp. |
| 1935 Residence (County) | Summit |
| Occupation | Mill Man |
| Industry | Rubber Factory |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 1300 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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.
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This person
Anchor record
John Mckenzie
Head · 1940 · age 38 · b. ~1902 · Ohio
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Summit-County, Ohio
Open full size
1940 US Federal Census — Summit-County, Ohio
Page Contents
23 people indexed on this census page (nara:1940:m-t0627-03152-00934)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William A Slump | 14 | Son | — | Ohio |
| 2 | George Smits | 57 | Head | Liner Man | Poland |
| 3 | Rosie Smits | 48 | Wife | — | Poland |
| 4 | Edward Frederick | 49 | Head | Machinist | Wisconsin |
| 5 | Lelah Frederick | 37 | Wife | — | West Virginia |
| 6 | Eugene V Davenport | 23 | Head | Sub. Clerk | Georgia |
| 7 | H. Irene Davenport | 23 | Wife | — | Ohio |
| 8 | Dallas Davenport | 2 | Son | 0 | Ohio |
| 9 | John L Mckenzie THIS PERSON | 38 | Head | Mill Man | Maryland |
| 10 | Agnes Mckenzie | 35 | Wife | — | Maryland |
| 11 | Thurle Mckenzie | 15 | Son | — | Maryland |
| 12 | Leo Mckenzie | 14 | Son | — | Ohio |
| 13 | Willa Mckenzie | 12 | Daughter | — | Ohio |
| 14 | Harris Mckenzie | 10 | Son | — | Ohio |
| 15 | Kathleen Mckenzie | 8 | Daughter | — | Ohio |
| 16 | Angelia Mckenzie | 5 | Daughter | — | Ohio |
| 17 | Juanita Mckenzie | 3 | Daughter | — | Ohio |
| 18 | John Mckenzie | 1 | Son | — | Ohio |
| 19 | Martha Mckenzie | 0 | Daughter | — | Ohio |
| 20 | Thomas W. Ravenscroft | 57 | Head | Tool Grinder | Maryland |
| 21 | Rosa Ravenscroft | 49 | Wife | — | West Virginia |
| 22 | Edith Starkey | 31 | Daughter | — | Maryland |
| 23 | Deloris Starkey | 12 | Granddaughter | — | Ohio |
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)