DS
Donald Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Olmsted-County, Minnesota
Our Model Tree links this Donald Smith across the 1930 and 1940 US Censuses in Olmsted-County, Minnesota (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 10-person household.
Age 21
b. ~1919
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Olmsted-County, Minnesota |
| Surname | Smith |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Rochester |
| 1935 Residence (County) | Olmsted |
| Additional Details | |
| Occupation | Helper |
| Industry | Poultry & Eggs |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 496 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Helper |
| Township / Ward | Rochester |
| Est. Birth Year | ~1919 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Donald | Age | Birth yr |
|---|---|---|---|---|
| Alita Smith | Daughter | — | 19 | ~1921 |
| Mary Smith | Daughter | — | 4 | ~1936 |
| Mildred Smith | Daughter | — | 22 | ~1918 |
| Elizabeth Smith | Daughter | — | 16 | ~1924 |
| Kathalyn Smith | Daughter | — | 10 | ~1930 |
| Ella Smith | Head | — | 46 | ~1894 |
| Vernon Smith | Son | — | 7 | ~1933 |
| Kenneth Smith | Son | — | 6 | ~1934 |
| Robert Smith | Son | — | 12 | ~1928 |
| Donald Smith | Son | — | 21 | ~1919 |
Census Appearances
1930
Olmsted, Minnesota
Son, age 11
Olmsted, Minnesota · implied b. ~1919 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Olmsted-County, Minnesota
Son, age 21
Olmsted-County, Minnesota · implied b. ~1919 — 10 household members
| Surname | Smith |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Rochester |
| 1935 Residence (County) | Olmsted |
| Occupation | Helper |
| Industry | Poultry & Eggs |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 496 |
| Highest Grade | H 4 |
| 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 Donald Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Donald Smith
Son · 1940 · age 21 · b. ~1919 · Minnesota
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Sibling
Mildred Smith
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alita Smith
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Smith
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Smith
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vernon Smith
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Smith
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Smith
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathalyn Smith
Sibling · 1940 · age 10
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 — Olmsted-County, Minnesota
Open full size
1940 US Federal Census — Olmsted-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01944-00347)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Hedvig M Larsen | 66 | Roomer | — | Denmark |
| 42 | Jennie Hansen | 29 | Daughter | Secy Doctor | Minnesota |
| 43 | Charles Cooper | 67 | Head | — | Iowa |
| 44 | Bernice Cooper | 48 | Wife | Caretaker | Indiana |
| 45 | Mae R Fryson | 46 | Head | Lodging House Keeper | Wisconsin |
| 46 | John S Johnson | 72 | Roomer | — | Norway |
| 47 | Stella F Smith | 43 | Roomer | Telephone Opr | Wisconsin |
| 48 | Mildred F Smith | 18 | Roomer | — | Minnesota |
| 49 | Robert M Smith | 17 | Roomer | — | Minnesota |
| 50 | Virginia M Smith | 14 | Roomer | — | Minnesota |
| 51 | Reinhart Engebretson | 56 | Roomer | — | Wisconsin |
| 52 | Alice I Engebretson | 28 | Roomer | Bookkeeper | Wisconsin |
| 53 | Lena Olson | 39 | Roomer | Elevator Opr. | Wisconsin |
| 54 | Walter L Myhron | 26 | Roomer | — | Wisconsin |
| 55 | Ella M Smith | 46 | Head | Nursing | Wisconsin |
| 56 | Mildred Smith | 22 | Daughter | Waitress | Minnesota |
| 57 | Donald Smith THIS PERSON | 21 | Son | Helper | Minnesota |
| 58 | Alita Smith | 19 | Daughter | — | Minnesota |
| 59 | Elizabeth Smith | 16 | Daughter | — | Minnesota |
| 60 | Robert Smith | 12 | Son | — | Minnesota |
| 61 | Kathalyn Smith | 10 | Daughter | — | Minnesota |
| 62 | Vernon Smith | 7 | Son | — | Minnesota |
| 63 | Kenneth Smith | 6 | Son | — | Minnesota |
| 64 | Mary Lou Smith | 4 | Daughter | — | Minnesota |
| 65 | Amanda Krohn | 69 | Head | — | Germany |
| 66 | Evelyn Logue | 45 | Friend | — | Minnesota |
| 67 | Fern Reberth | 45 | Head | Nursing | Minnesota |
| 68 | Lou Lella Reberth | 26 | Daughter | Nursing | Minnesota |
| 69 | Vyrle Reberth | 25 | Daughter | House Work | Minnesota |
| 70 | Mildred Music | 36 | Head | Waitress | Minnesota |
| 71 | Ann Music | 10 | Daughter | — | Minnesota |
| 72 | John Music | 12 | Son | — | Minnesota |
| 73 | Alice Music | 21 | Roomer | Waitress | Minnesota |
| 74 | Harold Paulson | 38 | Head | Clerk | Wisconsin |
| 75 | Katherine Paulson | 38 | Wife | — | Minnesota |
| 76 | Phyllis Paulson | 13 | Daughter | — | Minnesota |
| 77 | Frank C Jacobs | 46 | Head | Dentist | Minnesota |
| 78 | Laura H Jacobs | 43 | Wife | — | Minnesota |
| 79 | Richard Jacobs | 16 | Son | — | Minnesota |
| 80 | Martha J Jacobs | 14 | Daughter | — | Minnesota |
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)