JM
John Mcleod — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cavalier-County, North Dakota
Our Model Tree links this John Mcleod across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Cavalier-County, North Dakota (XGBoost, ~Confirmed), with identified parents Archie & Daniel — first a head (b.~1890), then head of a 4-person household.
Age 50
b. ~1890
Male
Head
Born: North Dakota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cavalier-County, North Dakota |
| Surname | McLeod |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | North Dakota |
| 1935 Residence (City) | Montrose Twp. |
| 1935 Residence (County) | Cavalier |
| Additional Details | |
| Occupation | farmer |
| Industry | small grain farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Highest Grade | No 8 |
| 1935 Residence | North Dakota |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Occupation | Farmer |
| Township / Ward | Montrose Twp |
| Est. Birth Year | ~1890 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Joyce Mcleod | Daughter | — | 14 | ~1926 |
| John Mcleod | Head | — | 50 | ~1890 |
| Margaret Mcleod | Spouse | — | 47 | ~1893 |
| Donald Mcleod | Son | — | 13 | ~1927 |
Census Appearances
1900
Cavalier, North …
Son, age 10
Cavalier, North Dakota · implied b. ~1890 — 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 | 10 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Birth Month | Jun |
| Birth Year | 1890 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Canada |
| Occupation | at School |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1910
Cavalier, North …
Son, age 20
Cavalier, North Dakota · implied b. ~1890 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McLeod |
| Given Name | John A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Canada |
| Occupation | Laborer |
| Industry | Horse farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1920
Cavalier, North …
Son, age 30
Cavalier, North Dakota · implied b. ~1890 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McLeod |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Canada |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | Em |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Scotch |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1930
Cavalier, North …
Other, age 40
Cavalier, North Dakota · implied b. ~1890 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McLeod |
| Given Name | John |
| Relationship to Head | R |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | North Dakota |
| Age at First Marriage | 33 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Canada-English |
| Occupation | farmer |
| Industry | Farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Home Owned/Rented | 8 |
| Radio Set | R |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1940
Cavalier-County, North …
Head, age 50
Cavalier-County, North Dakota · implied b. ~1890 — 4 household members
| Surname | McLeod |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | North Dakota |
| 1935 Residence (City) | Montrose Twp. |
| 1935 Residence (County) | Cavalier |
| Occupation | farmer |
| Industry | small grain farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Highest Grade | No 8 |
| 1935 Residence | North Dakota |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
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 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Archie Mcleod (~0.92 confidence) and father Daniel Mcleod (~0.92 confidence) and mother Annie Mcleod (~0.92 confidence) and mother Annie Mcleod (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Archie Mcleod
b. ~1860
Source father
● Household
· direct · ~0.92
Father
Daniel Mcleod
b. ~1845
Source father
● Household
· direct · ~0.92
Mother
Annie Mcleod
b. ~1860
Source mother
● Household
· direct · ~0.92
Mother
Annie Mcleod
b. ~1865
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Mcleod
Head · 1940 · age 50 · b. ~1890 · North Dakota
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Cavalier-County, North Dakota
Open full size
1940 US Federal Census — Cavalier-County, North Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02998-00305)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lee Killcallins | 52 | Head | Laborer | Maine |
| 2 | Frank Killcallins | 53 | wife | — | North Dakota |
| 3 | Frank Killcallins | 24 | son | Laborer | North Dakota |
| 4 | John Killcallins | 20 | son | Laborer | North Dakota |
| 5 | Russel Killcallins | 18 | son | Laborer | North Dakota |
| 6 | Donald Killcallins | 16 | son | Laborer | North Dakota |
| 7 | Eva Killcallins | 14 | daughter | — | North Dakota |
| 8 | Florence Killcallins | 6 | daughter | — | North Dakota |
| 9 | Melvin Dahl | 35 | Head | Farmer | North Dakota |
| 10 | Bert Dahl | 65 | Father | — | Norway |
| 11 | Mattie Dahl | 54 | mother | — | North Dakota |
| 12 | Joe C. Hallgrimson | 55 | Head | Farmer | North Dakota |
| 13 | Rachel Hallgrimson | 42 | wife | — | North Dakota |
| 14 | Howard Hallgrimson | 21 | son | Farmer | North Dakota |
| 15 | Robert Hallgrimson | 20 | son | Laborer | North Dakota |
| 16 | Joe Kenneth Hallgrimson | 16 | son | — | North Dakota |
| 17 | Hallgrimson Hallgrimson | 12 | adopted son | — | North Dakota |
| 18 | Gloria Hallgrimson | 9 | daughter | — | North Dakota |
| 19 | John Mcleod THIS PERSON | 50 | Head | Farmer | North Dakota |
| 20 | Margaret Mcleod | 47 | wife | — | North Dakota |
| 21 | Joyce Mcleod | 14 | daughter | — | North Dakota |
| 22 | Donald Mcleod | 13 | son | — | North Dakota |
| 23 | Herbert R. Mclaurin | 53 | Head | Farmer | North Dakota |
| 24 | Irene Mclaurin | 46 | wife | — | North Dakota |
| 25 | Betty Mclaurin | 19 | daughter | — | North Dakota |
| 26 | John Mclaurin | 14 | son | — | North Dakota |
| 27 | James Mclaurin | 12 | son | — | North Dakota |
| 28 | Harriet Mclaurin | 79 | mother | — | England |
| 29 | Henry C. Gire | 42 | Head | Manager Owner | Minnesota |
| 30 | Elizabeth G. Gire | 40 | wife | — | North Dakota |
| 31 | Anna Mae Gire | 17 | daughter | — | North Dakota |
| 32 | Clifford Gire | 12 | son | — | North Dakota |
| 33 | John D. Mclean | 48 | Head | Farmer | North Dakota |
| 34 | Mary Ann Mclean | 51 | wife | — | North Dakota |
| 35 | Charles Johnson | 75 | Head | — | Norway |
| 36 | Walter F. Arvig | 34 | Head | Land Lord | North Dakota |
| 37 | Frederick R. Flack | 31 | Head | Mail Carrier | North Dakota |
| 38 | Goldie Flack | 26 | wife | — | Michigan |
| 39 | Dianne Flack | 1 | daughter | — | North Dakota |
| 40 | Norman Olson | 60 | Head | Farmer | Michigan |
Pedigree Summary
John
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)