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John Robertson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Mckenzie, North Dakota
Our Model Tree links this John Robertson across the 1920, 1930 and 1940 US Censuses in Mckenzie, North Dakota (XGBoost, ~Confirmed) — first a head (b.~1869), then head of a 14-person household.
Age 61
b. ~1869
Male
Head
Born: Denmark
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Mckenzie, North Dakota |
| Surname | Robertson |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Denmark |
| Naturalization Status | Naturalized |
| Year of Immigration | 1889 |
| Age at First Marriage | 35 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Additional Details | |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | VVVV E |
| Can Read/Write | Yes |
| Mother Tongue | Danish |
| Home Owned/Rented | O |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
| Occupation | Farmer |
| Township / Ward | Loyal Township |
| Est. Birth Year | ~1869 |
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.
14 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Bernice Speary | Daughter | — | 12 | ~1918 |
| Grace Speary | Daughter | — | 14 | ~1916 |
| Helen Robertson | Daughter | — | 14 | ~1916 |
| Alice Speary | Daughter | — | 7 | ~1923 |
| Harabelle Speary | Daughter | — | 5 | ~1925 |
| John Robertson | Head | — | 61 | ~1869 |
| Rudolph Pries | Other | — | 50 | ~1880 |
| Luther Hodgin | Other | — | 48 | ~1882 |
| Bert Speary | Other | — | 45 | ~1885 |
| Luther Hodgin | Son | — | 15 | ~1915 |
| Ray Robertson | Son | — | 25 | ~1905 |
| Jennie Speary | Spouse | — | 41 | ~1889 |
| Carrie Robertson | Spouse | — | 51 | ~1879 |
| Margaret Hodgin | Spouse | — | 47 | ~1883 |
Census Appearances
1920
Mckenzie, North …
Head, age 51
Mckenzie, North Dakota · implied b. ~1869 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robertson |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Denmark |
| Year of Immigration | 1888 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | Emp |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Danish |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth Country | Denmark |
| Year of Naturalization | 1891 |
| Birthplace (normalized) | denmark |
1930
Mckenzie, North …
Head, age 61
Mckenzie, North Dakota · implied b. ~1869 — 14 household members
| Surname | Robertson |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Denmark |
| Naturalization Status | Naturalized |
| Year of Immigration | 1889 |
| Age at First Marriage | 35 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | VVVV E |
| Can Read/Write | Yes |
| Mother Tongue | Danish |
| Home Owned/Rented | O |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
1940
Mckenzie-County, North …
Other, age 72
Mckenzie-County, North Dakota · implied b. ~1868 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robertson |
| Given Name | John |
| Relationship to Head | Father |
| Sex | M |
| Color / Race | White |
| Age | 72 |
| Marital Status | Married |
| Birthplace | Denmark |
| 1935 Residence (City) | Loyal Township |
| 1935 Residence (County) | McKenzie |
| Naturalization Status | Naturalized |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
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 Robertson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Robertson
Head · 1930 · age 61 · b. ~1869 · North Dakota
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Mckenzie, North Dakota
Open full size
1930 US Federal Census — Mckenzie, North Dakota
Page Contents
50 people indexed on this census page (ia:1930:15thcensus1738unit:0096)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Homer Bunnell | 0 | Son | — | North Dakota |
| 2 | Helius N. Brunsvold | 67 | Head | Farmer | Wisconsin |
| 3 | Milton T. Brunsvold | 29 | Son | Laborer | North Dakota |
| 4 | Gladys Brunsvold | 25 | Daughter-in-law | — | North Dakota |
| 5 | Elaine B. Brunsvold | 1 | Daughter | — | North Dakota |
| 6 | Peder Folkord | 28 | Head | Farmer | Norway |
| 7 | Annie Folkord | 21 | Wife | — | Montana |
| 8 | Ray M. Corn | 44 | Head | Farmer | Wisconsin |
| 9 | Mary Corn | 46 | Wife | — | Iowa |
| 10 | Rallands Clifford Corn | 12 | Son | — | Montana |
| 11 | John Robertson THIS PERSON | 61 | Head | Farmer | Denmark |
| 12 | Carrie E. Robertson | 51 | Wife | — | Minnesota |
| 13 | Ray O. Robertson | 25 | Son | Farmer | Illinois |
| 14 | Helen E. Ab. Robertson | 14 | Daughter | — | North Dakota |
| 15 | Bert Speary | 45 | R | Farmer | Minnesota |
| 16 | Jennie L. Speary | 41 | Wife | — | Minnesota |
| 17 | Grace Kat. Speary | 14 | Daughter | — | North Dakota |
| 18 | Bernice E. Speary | 12 | Daughter | — | North Dakota |
| 19 | Alice L. Speary | 7 | Daughter | — | North Dakota |
| 20 | Harabelle Speary | 5 | Daughter | — | North Dakota |
| 21 | Luther J. Hodgin | 48 | O | Farmer | Indiana |
| 22 | Margaret Hodgin | 47 | Wife | — | Canada English |
| 23 | Luther J. Hodgin | 15 | Son | — | North Dakota |
| 24 | Rudolph Pries | 50 | Lodger | Laborer | Germany |
| 25 | Alexander W. Vayen | 42 | Head | Farmer | North Dakota |
| 26 | Florence Vayen | 39 | Wife | — | Iowa |
| 27 | Oscar Vayen | 48 | Brother | Partner | North Dakota |
| 28 | Stanley Stevens | 29 | O | Farmer | North Dakota |
| 29 | Carrie Stevens | 30 | Wife | — | North Dakota |
| 30 | Edward H. Stevens | 51 | Father | Laborer | Pennsylvania |
| 31 | Walter Grunewald | 48 | R | Laborer | Minnesota |
| 32 | William M. Olson | 29 | O | Farmer | North Dakota |
| 33 | Betsy Olson | 63 | Mother | — | Norway |
| 34 | Robert A. Olson | 32 | Brother | Laborer | North Dakota |
| 35 | Paul M. Wolden | 46 | O | Farmer | Iowa |
| 36 | Lenord P. Burskitte | 52 | R | Laborer | West Virginia |
| 37 | Grover C. Burskitte | 36 | Brother | Laborer | Minnesota |
| 38 | William Reichert | 39 | R | Farmer | Minnesota |
| 39 | Alsie Reichert | 30 | Wife | — | Nebraska |
| 40 | Mabel E. Reichert | 12 | Daughter | — | North Dakota |
| 41 | George A. Reichert | 10 | Son | — | North Dakota |
| 42 | Leo W. Reichert | 8 | Son | — | North Dakota |
| 43 | Lucile Reichert | 6 | Daughter | — | North Dakota |
| 44 | George Tasker | 49 | O | Farmer | Canada English |
| 45 | Nellie Tasker | 45 | Wife | — | North Dakota |
| 46 | Leone R. Tasker | 22 | Daughter | Teacher | North Dakota |
| 47 | Ray W. Tasker | 18 | Son | Laborer | North Dakota |
| 48 | Margaret E. Tasker | 14 | Daughter | — | North Dakota |
| 49 | Jackie Tasker | 7 | Son | — | North Dakota |
| 50 | John Tasker | 75 | Father | — | Canada English |
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)