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Mary Morrison — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Minnesota
Our Model Tree links this Mary Morrison across the 1930 and 1940 US Censuses in Cook-County, Minnesota (XGBoost, ~Confirmed) — first a daughter (b.~1918), then head of a 15-person household.
Age 22
b. ~1918
Female
Daughter
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Minnesota |
| Surname | Morrison |
| Given Name | Mary (at) |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | American Indian |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | 61-1E |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | U |
| Industry | 7 |
| Class of Worker | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | U |
| Township / Ward | 611E |
| Est. Birth Year | ~1918 |
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.
15 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Theresa Morrison | Daughter | — | 11 | ~1929 |
| Barbara Morrison | Daughter | — | 4 | ~1936 |
| Myrtle Morrison | Daughter | — | 1 | ~1939 |
| Mary Morrison | Daughter | — | 22 | ~1918 |
| Josephine Morrison | Daughter | — | 16 | ~1924 |
| Gustav Morrison | Other | — | 17 | ~1923 |
| Joseph Morrison | Other | — | 53 | ~1887 |
| Leona Morrison | Other | — | 9 | ~1931 |
| Norman Morrison | Other | — | 6 | ~1934 |
| Michael Morrison | Son | — | 18 | ~1922 |
| George Morrison | Son | — | 20 | ~1920 |
| Roger Morrison | Son | — | 14 | ~1926 |
| Bernard Morrison | Son | — | 23 | ~1917 |
| James Morrison | Son | — | 9 | ~1931 |
| Barbara Morrison | Spouse | — | 40 | ~1900 |
Census Appearances
1930
Cook, Minnesota
Daughter, age 12
Cook, Minnesota · implied b. ~1918 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Morrison |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Canada English |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Cook-County, Minnesota
Daughter, age 22
Cook-County, Minnesota · implied b. ~1918 — 15 household members
| Surname | Morrison |
| Given Name | Mary (at) |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | American Indian |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | 61-1E |
| 1935 Residence (County) | Cook |
| Occupation | U |
| Industry | 7 |
| Class of Worker | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Mary Morrison across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Morrison
Daughter · 1940 · age 22 · b. ~1918 · Minnesota
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Sibling
Bernard Morrison
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Michael Morrison
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theresa Morrison
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Myrtle Morrison
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Josephine Morrison
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Morrison
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Morrison
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Morrison
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roger Morrison
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 — Cook-County, Minnesota
Open full size
1940 US Federal Census — Cook-County, Minnesota
Page Contents
29 people indexed on this census page (nara:1940:m-t0627-01915-00042)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Barbara Morrison | 40 | Wife | H | Canada-French |
| 42 | Bernard Morrison | 23 | Son | U | Canada-French |
| 43 | Mary (At) Morrison THIS PERSON | 22 | Daughter | U | Minnesota |
| 44 | George (At) Morrison | 20 | Son | U | Minnesota |
| 45 | Michael Morrison | 18 | Son | U | Minnesota |
| 46 | Josephine Morrison | 16 | Daughter | At | Minnesota |
| 47 | Roger Morrison | 14 | Son | S | Minnesota |
| 48 | Theresa Morrison | 11 | Daughter | — | Minnesota |
| 49 | James Morrison | 9 | Son | — | Minnesota |
| 50 | Barbara Morrison | 4 | Daughter | 0 | Minnesota |
| 51 | Myrtle Morrison | 1 | Daughter | 0 | Minnesota |
| 52 | Joseph Morrison | 53 | Brother | U | Minnesota |
| 53 | Gustav (At) Morrison | 17 | Nephew | Enrollee | Minnesota |
| 54 | Leona F. Morrison | 9 | Niece | — | Minnesota |
| 55 | Norman E. Morrison | 6 | Nephew | — | Minnesota |
| 56 | Christian (At) Korntved | 56 | Head | Proprietor | Wisconsin |
| 57 | Charles E. Newton | 36 | Head | Labourer | Minnesota |
| 58 | Theresa A. Newton | 70 | Mother | H | Minnesota |
| 59 | William H. Mckeever | 65 | Head | Farmer | Wisconsin |
| 60 | Ivy V. Mckeever | 56 | Wife | H | Wisconsin |
| 61 | Fay S. Mckeever | 30 | Son | Labourer | Wisconsin |
| 62 | Roger C. Mckeever | 24 | Son | Mechanic | Wisconsin |
| 63 | Marietta E. Mckeever | 17 | Daughter | S | Wisconsin |
| 64 | Iris N. Mckeever | 14 | Daughter | S | Wisconsin |
| 65 | Peter M. Overland | 56 | Head | Fisherman | Norway |
| 66 | Harold W. Kruse | 30 | Head | Junior Forester | Iowa |
| 67 | Helen L. Kruse | 29 | Wife | H | Minnesota |
| 68 | Kenneth W. Kruse | 1 | Son | 0 | Minnesota |
| 69 | De Lores Mckeever | 19 | Maid | Maid | Wisconsin |
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)