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John Mcleod — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lake-County, Indiana
Our Model Tree links this John Mcleod across the 1930 and 1940 US Censuses in Lake-County, Indiana (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 7-person household.
Age 11
b. ~1929
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lake-County, Indiana |
| Surname | McLeod |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Gary |
| 1935 Residence (County) | Lake |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Gary |
| Est. Birth Year | ~1929 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Mcleod | Son | — | 11 | ~1929 |
| Howard Mcleod | Son | — | 7 | ~1933 |
| Hellen Mcleod | Spouse | — | 35 | ~1905 |
| Beatrice Mcleod | Daughter | — | 10 | ~1930 |
| Daniel Mcleod | Head | — | 40 | ~1900 |
| Mary Mcleod | Daughter | — | 12 | ~1928 |
| Daniel Mcleod | Son | — | 2 | ~1938 |
Census Appearances
1930
Lake, Indiana
Son, age 1
Lake, Indiana · implied b. ~1929 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McLeod |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Canada English |
| Mother's Birthplace | Canada English |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Lake-County, Indiana
Son, age 11
Lake-County, Indiana · implied b. ~1929 — 7 household members
| Surname | McLeod |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Gary |
| 1935 Residence (County) | Lake |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Mcleod across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Mcleod
Son · 1940 · age 11 · b. ~1929 · Indiana
★ You are viewing this record
Sibling
Beatrice Mcleod
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Mcleod
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Howard Mcleod
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Mcleod
Sibling · 1940 · age 12
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 — Lake-County, Indiana
Open full size
1940 US Federal Census — Lake-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01119-00311)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Ennis | 28 | Head | Second Helper Furnace | Pennsylvania |
| 2 | Elizabeth Ennis | 23 | Wife | — | Indiana |
| 3 | Maureen Ennis | 3 | Daughter | — | Indiana |
| 4 | Kilaine Ennis | 3 | Daughter | — | Indiana |
| 5 | Carl M. Swanson | 33 | Head | Mould Setter | Iowa |
| 6 | Eunice E. Swanson | 32 | Wife | — | Iowa |
| 7 | Daniel Mcleod | 40 | Head | Ruffer | Canada English |
| 8 | Hellen Mcleod | 35 | Wife | — | Canada English |
| 9 | Mary Mcleod | 12 | Daughter | — | Indiana |
| 10 | John Mcleod THIS PERSON | 11 | Son | — | Indiana |
| 11 | Beatrice Mcleod | 10 | Daughter | — | Indiana |
| 12 | Howard Mcleod | 7 | Son | — | Indiana |
| 13 | Daniel Jr. Mcleod | 2 | Son | — | Indiana |
| 14 | Patrick Sullivan | 62 | Head | Mechanic | Irish Free State |
| 15 | Nellie Sullivan | 56 | Wife | — | Irish Free State |
| 16 | John Sullivan | 19 | Son | Sales Clerk | Indiana |
| 17 | Mary Sullivan | 18 | Daughter | — | Indiana |
| 18 | Timothy Sullivan | 15 | Son | — | Indiana |
| 19 | Hanora Sullivan | 14 | Daughter | — | Indiana |
| 20 | Barbara Buchanan | 56 | Head | — | Scotland |
| 21 | John Buchanan | 22 | Son | Steel Inspector | Scotland |
| 22 | James Mcmahon | 47 | Head | Pipe Fitter | Scotland |
| 23 | Mary Mcmahon | 42 | Wife | — | Scotland |
| 24 | John Micko | 56 | Head | Boiler Maker | Pennsylvania |
| 25 | Claire Micko | 55 | Wife | — | Illinois |
| 26 | Jack Micko | 27 | Son | Hooker | Indiana |
| 27 | Eugene Micko | 17 | Son | — | Indiana |
| 28 | Richard Micko | 5 | Son | — | Indiana |
| 29 | Joseph Francis | 50 | Head | Craneman | England |
| 30 | Laura Francis | 49 | Wife | — | England |
| 31 | Betty Francis | 17 | Daughter | — | England |
| 32 | Harold Kamin | 35 | Head | Junk Man | Illinois |
| 33 | Sylvia Kamin | 30 | Wife | — | Romania |
| 34 | Donald Kamin | 2 | Son | — | Indiana |
| 35 | Michael Polgocz | 50 | Head | Tinner | Minnesota |
| 36 | Mary Polgocz | 47 | Wife | — | Poland |
| 37 | Stanley Polgocz | 25 | Son | Helper | Minnesota |
| 38 | Fredrick Wozniak | 51 | Head | Boiler Cleaner | Poland |
| 39 | Jeannie Wozniak | 45 | Wife | — | Poland |
| 40 | Barney Wozniak | 25 | Son | Pump Oiler | Indiana |
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)