DS
Donald Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Ramsey-County, Minnesota
Our Model Tree links this Donald Smith across the 1920, 1930 and 1940 US Censuses in Ramsey-County, Minnesota (XGBoost, ~Confirmed), with identified parents Phil & Phillip — first a son (b.~1918), then head of a 4-person household.
Age 22
b. ~1918
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ramsey-County, Minnesota |
| Surname | Smith |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | City of St. Paul |
| 1935 Residence (County) | Ramsey |
| Additional Details | |
| Highest Grade | C 4 |
| 1935 Residence | Same House |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | City Of St Paul |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Donald | Age | Birth yr |
|---|---|---|---|---|
| Phyllis Smith | Daughter | — | 19 | ~1921 |
| Phillip Smith | Head | — | 52 | ~1888 |
| Donald Smith | Son | — | 22 | ~1918 |
| Marie Smith | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Ramsey, Minnesota
Son, age 2
Ramsey, Minnesota · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Iowa |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Ramsey, Minnesota
Son, age 12
Ramsey, Minnesota · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Ramsey-County, Minnesota
Son, age 22
Ramsey-County, Minnesota · implied b. ~1918 — 4 household members
| Surname | Smith |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | City of St. Paul |
| 1935 Residence (County) | Ramsey |
| Highest Grade | C 4 |
| 1935 Residence | Same House |
| 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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Phil Smith (~0.92 confidence) and father Phillip Smith (~0.92 confidence) and father Philip Smith (~0.92 confidence) and mother Mabel Smith (~0.92 confidence) and mother Marie Smith (~0.92 confidence) and mother Marie Smith (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Phil Smith
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Phillip Smith
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Philip Smith
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Mabel Smith
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Marie Smith
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Marie Smith
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Donald Smith
Son · 1940 · age 22 · b. ~1918 · Minnesota
★ You are viewing this record
Sibling
Phyllis Smith
Sibling · 1940 · age 19
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 — Ramsey-County, Minnesota
Open full size
1940 US Federal Census — Ramsey-County, Minnesota
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02002-00414)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Emma Koenig | 72 | Mother-in-law | — | Michigan |
| 42 | Alphonse Rhenberger | 64 | Head | Salesman | Illinois |
| 43 | Florence Rhenberger | 57 | Wife | — | Minnesota |
| 44 | Elizabeth Rhenberger | 23 | Daughter | — | Minnesota |
| 45 | Robert E. Rhenberger | 22 | Son | — | Minnesota |
| 46 | Joseph Rhenberger | 16 | Son | — | Minnesota |
| 47 | Walter Stewart | 47 | Head | Merchant | Minnesota |
| 48 | Marie Stewart | 41 | Wife | — | Minnesota |
| 49 | Donald Stewart | 14 | Son | — | Minnesota |
| 50 | Ann Stewart | 7 | Daughter | — | Minnesota |
| 51 | Joseph A. Ungarette | 47 | Head | Investigator | Minnesota |
| 52 | Florence Ungarette | 46 | Wife | — | Minnesota |
| 53 | Frances Ungarette | 15 | Daughter | — | Minnesota |
| 54 | Beata Ungarette | 14 | Daughter | — | Minnesota |
| 55 | Dolores Ungarette | 10 | Daughter | — | Minnesota |
| 56 | Ida Giannella | 64 | Mother | — | Milwaukee, Wis. |
| 57 | Ida E. Luehl | 54 | Head | Proof Reader | Minnesota |
| 58 | Loretta Luehl | 48 | Sister | — | Minnesota |
| 59 | Emma Mcguire | 66 | Head | — | Minnesota |
| 60 | Karan Mcguire | 70 | Sister | — | Minnesota |
| 61 | Phillip Smith | 52 | Head | Engineer | Minnesota |
| 62 | Marie Smith | 52 | Wife | — | Iowa |
| 63 | Donald Smith THIS PERSON | 22 | Son | — | Minnesota |
| 64 | Phyllis Smith | 19 | Daughter | Secretary | Minnesota |
| 65 | Henry L. Holtman | 76 | Head | — | Germany |
| 66 | Marion Holtman | 63 | Wife | — | Norway |
| 67 | Archie Roach | 42 | Head | Officer | Minnesota |
| 68 | Nellie Roach | 34 | Wife | — | Wisconsin |
| 69 | Patricia Roach | 14 | Daughter | — | Minnesota |
| 70 | Palmer Roach | 9 | Daughter | — | Minnesota |
| 71 | Charlotte Olds | 67 | Aunt | — | Wisconsin |
| 72 | James T. Derrig | 56 | Head | Proprietor | Minnesota |
| 73 | Marcella Derrig | 50 | Wife | — | Minnesota |
| 74 | Katherine Derrig | 17 | Daughter | — | Minnesota |
| 75 | James Derrig | 13 | Son | — | Minnesota |
| 76 | Joseph Derrig | 11 | Son | — | Minnesota |
| 77 | Nellie Lang | 66 | Head | — | Minnesota |
| 78 | Joseph V. Lang | 32 | Son | Salesman | Minnesota |
| 79 | Mary Ellen Lang | 26 | Daughter | — | Minnesota |
Pedigree Summary
Donald + 1 sibling
Gen 1 · 6 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)