DT
Donald Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Ramsey-County, Minnesota
Our Model Tree links this Donald Thompson across the 1920, 1930 and 1940 US Censuses in Ramsey-County, Minnesota (XGBoost, ~Confirmed), with identified parents William & William — first a son (b.~1910), then head of a 3-person household.
Age 30
b. ~1910
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ramsey-County, Minnesota |
| Surname | Thompson |
| Given Name | Donald J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | St. Paul City |
| 1935 Residence (County) | Ramsey |
| Additional Details | |
| Occupation | Musician |
| Industry | Night Club |
| Class of Worker | PW |
| Hours Worked | 26 |
| Income (1939) | 650 |
| Highest Grade | No H 4 |
| 1935 Residence | Same house |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Musician |
| Township / Ward | St Paul City |
| Est. Birth Year | ~1910 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Donald | Age | Birth yr |
|---|---|---|---|---|
| William Thompson | Head | — | 65 | ~1875 |
| Donald Thompson | Son | — | 30 | ~1910 |
| Grace Thompson | Spouse | — | 64 | ~1876 |
Census Appearances
1920
Ramsey, Minnesota
Son, age 10
Ramsey, Minnesota · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Donald T. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Ramsey, Minnesota
Son, age 20
Ramsey, Minnesota · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Donald J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Ohio |
| Occupation | Shipping clerk |
| Industry | Retail Hardware store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Ramsey-County, Minnesota
Son, age 30
Ramsey-County, Minnesota · implied b. ~1910 — 3 household members
| Surname | Thompson |
| Given Name | Donald J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | St. Paul City |
| 1935 Residence (County) | Ramsey |
| Occupation | Musician |
| Industry | Night Club |
| Class of Worker | PW |
| Hours Worked | 26 |
| Income (1939) | 650 |
| Highest Grade | No H 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 Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Thompson (~0.92 confidence) and father William Thompson (~0.92 confidence) and mother Grace Thompson (~0.92 confidence) and mother Irene Thompson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Thompson
b. ~1875
Source father
● Household
· direct · ~0.92
Father
William Thompson
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Grace Thompson
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Irene Thompson
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Donald Thompson
Son · 1940 · age 30 · b. ~1910 · Minnesota
★ 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 — Ramsey-County, Minnesota
Open full size
1940 US Federal Census — Ramsey-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02001-00039)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Helanie Bjerndahl | 10 | Daughter | — | Minnesota |
| 42 | Shirley Bjerndahl | 9 | Daughter | — | Minnesota |
| 43 | Nancy Bjerndahl | 5 | Daughter | — | Minnesota |
| 44 | Agatha Bjerndahl | 66 | Mother | — | Norway |
| 45 | Edward G. Chesney | 61 | Head | Professor | District of Columbia |
| 46 | Frances R. Chesney | 58 | Wife | — | Florida |
| 47 | Virginia Porter | 54 | Lodger | Editorial Work | Florida |
| 48 | William E. Thompson | 65 | Head | Secretary | Minnesota |
| 49 | Grace D. Thompson | 64 | Wife | — | Ohio |
| 50 | Donald J. Thompson THIS PERSON | 30 | Son | Musician | Minnesota |
| 51 | James Pitel | 51 | Head | Professor | Indiana |
| 52 | Alice R. Pitel | 51 | Wife | — | Indiana |
| 53 | Helen E. Pitel | 24 | Daughter | — | Kansas |
| 54 | Eric Roberts | 24 | Lodger | — | England |
| 55 | John Lozarwa | 62 | Head | Traffic Manager | Minnesota |
| 56 | Mabel E. Lozarwa | 63 | Wife | — | Minnesota |
| 57 | Harriet Sauerbrunn | 52 | Lodger | File Clerk | Iowa |
| 58 | James Earley | 72 | Head | — | New York |
| 59 | May C. Earley | 68 | Wife | — | England |
| 60 | Floyd R. Burnham | 30 | Head | Salesman | Minnesota |
| 61 | Carla Burnham | 28 | Wife | — | Minnesota |
| 62 | Carla Burnham | 4 | Daughter | — | Minnesota |
| 63 | Jean Burnham | 2 | Daughter | — | Minnesota |
| 64 | Lena Budworth | 60 | Head | — | Minnesota |
| 65 | Maurice Westbrook | 22 | Lodger | Barber | Iowa |
| 66 | William Rae | 35 | Lodger | Filling Station Attendant | Duluth |
| 67 | Elmer R. Anselmus | 45 | Head | Agronomist | Kansas |
| 68 | Winifred J. Anselmus | 41 | Wife | — | Kansas |
| 69 | Donald Anselmus | 9 | Son | — | Minnesota |
| 70 | Anna Berge | 77 | Head | — | Norway |
| 71 | Laura Berge | 51 | Daughter | Cashier | Norway |
| 72 | Jennie Berge | 49 | Daughter | — | Minnesota |
| 73 | Olaf Berge | 42 | Son | Commercial Artist | Minnesota |
| 74 | — | None | — | — | — |
| 75 | Arthur Wilcox | 41 | Head | Assistant Professor | Wisconsin |
| 76 | Florence B. Wilcox | 40 | Wife | — | Wisconsin |
| 77 | David Wilcox | 11 | Son | — | Minnesota |
| 78 | James Wilcox | 9 | Son | — | Minnesota |
| 79 | Susan Wilcox | 5 | Daughter | — | Minnesota |
| 80 | Mary Norton | 57 | Head | Administrative Assistant | Kansas |
Pedigree Summary
Donald
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)