DT
Donald Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mcpherson-County, Kansas
Our Model Tree links this Donald Thomas across the 1920, 1930 and 1940 US Censuses in Mcpherson-County, Kansas (XGBoost, ~Confirmed), with identified parents Robert & Robert — first a son (b.~1914), then head of a 4-person household.
Age 26
b. ~1914
Male
Son
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mcpherson-County, Kansas |
| Surname | Thomas |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | McPherson City |
| 1935 Residence (County) | McPherson |
| Additional Details | |
| Occupation | Laborer |
| Industry | Petroleum |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 454 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Laborer |
| Township / Ward | Mcpherson City |
| Est. Birth Year | ~1914 |
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 |
|---|---|---|---|---|
| Robert Thomas | Head | — | 64 | ~1876 |
| Marvin Thomas | Son | — | 25 | ~1915 |
| Susie Thomas | Spouse | — | 62 | ~1878 |
| Donald Thomas | Son | — | 26 | ~1914 |
Census Appearances
1920
Mcpherson, Kansas
Son, age 7
Mcpherson, Kansas · implied b. ~1913 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Indiana |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Mcpherson, Kansas
Son, age 17
Mcpherson, Kansas · implied b. ~1913 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Indiana |
| Occupation | Laborer |
| Industry | Merchant |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Mcpherson-County, Kansas
Son, age 26
Mcpherson-County, Kansas · implied b. ~1914 — 4 household members
| Surname | Thomas |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | McPherson City |
| 1935 Residence (County) | McPherson |
| Occupation | Laborer |
| Industry | Petroleum |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 454 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Robert Thomas (~0.92 confidence) and father Robert Thomas (~0.92 confidence) and father Robert Thomas (~0.92 confidence) and mother Anna Thomas (~0.92 confidence) and mother Susie Thomas (~0.92 confidence) and mother Susie Thomas (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Thomas
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Robert Thomas
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Robert Thomas
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Anna Thomas
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Susie Thomas
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Susie Thomas
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Donald Thomas
Son · 1940 · age 26 · b. ~1914 · Kansas
★ You are viewing this record
Sibling
Marvin Thomas
Sibling · 1940 · age 25
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 — Mcpherson-County, Kansas
Open full size
1940 US Federal Census — Mcpherson-County, Kansas
Page Contents
26 people indexed on this census page (nara:1940:m-t0627-01243-00505)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Hattie Brunson | 66 | Wife | — | Missouri |
| 42 | Lewis Miller | 35 | Head | Attendant | Kansas |
| 43 | Alberta Miller | 28 | Wife | Housekeeper | Kansas |
| 45 | Lowell Sell | 38 | Head | Linotype | Kansas |
| 46 | Bessie Sell | 29 | Wife | Clerk | Kansas |
| 47 | Lowell Jr. Sell | 13 | Son | — | Kansas |
| 48 | Milton Flick | 60 | Head | Proprietor | Pennsylvania |
| 49 | Pauline Flick | 46 | Wife | — | Ohio |
| 51 | Robert Emery Thomas | 64 | Head | Laborer | Nebraska |
| 52 | Susie Thomas | 62 | Wife | — | Indiana |
| 53 | Donald Thomas THIS PERSON | 26 | Son | Laborer | Kansas |
| 54 | Marvin Thomas | 25 | Son | Laborer | Kansas |
| 56 | E. F. Embers | 75 | Head | Farmer | Pennsylvania |
| 57 | Mettie Embers | 60 | Wife | — | Missouri |
| 59 | A. C. Collett | 57 | Head | Carpenter | Missouri |
| 60 | Pearl Collett | 52 | Wife | — | Nebraska |
| 61 | Ruby Collett | 24 | Daughter | Secretary | Oklahoma |
| 62 | Andrew C. Jr. Collett | 20 | Son | Laborer | Oklahoma |
| 63 | John Collett | 17 | Son | Delivery Man | Oklahoma |
| 64 | Letha Collett | 12 | Daughter | — | Oklahoma |
| 65 | Thoma Collett | 10 | Daughter | — | Kansas |
| 67 | Herbert Donal | 56 | Head | Laborer | Kansas |
| 68 | Effie Donal | 49 | Wife | Maid | Kansas |
| 69 | Loraine Donal | 24 | Daughter | Secretary | Kansas |
| 70 | Marjorie Donal | 22 | Daughter | Housekeeper | Kansas |
| 71 | Rosalie Donal | 18 | Daughter | — | Kansas |
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)