DN
Dorothy Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Montgomery-County, Indiana
Our Model Tree links this Dorothy Nelson across the 1920, 1930 and 1940 US Censuses in Montgomery-County, Indiana (XGBoost, ~Confirmed), with identified parents Samuel & James — first a daughter (b.~1909), then head of a 3-person household.
Age 31
b. ~1909
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Indiana |
| Surname | Nelson |
| Given Name | Dorothy M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Crawfordsville |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Crawfordsville |
| Est. Birth Year | ~1909 |
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 Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Nelson | Daughter | — | 31 | ~1909 |
| Samuel Nelson | Head | — | 77 | ~1863 |
| James Nelson | Other | — | 12 | ~1928 |
Census Appearances
1920
Montgomery, Indiana
Daughter, age 11
Montgomery, Indiana · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Dorothy M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Montgomery, Indiana
Daughter, age 21
Montgomery, Indiana · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Indiana |
| Occupation | Seamstress |
| Industry | Glove Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Montgomery-County, Indiana
Daughter, age 31
Montgomery-County, Indiana · implied b. ~1909 — 3 household members
| Surname | Nelson |
| Given Name | Dorothy M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Crawfordsville |
| 1935 Residence (County) | Montgomery |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Dorothy Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Samuel Nelson (~0.92 confidence) and father James Nelson (~0.92 confidence) and father James Nelson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Samuel Nelson
b. ~1863
Source father
● Household
· direct · ~0.92
Father
James Nelson
b. ~1865
Source father
● Household
· direct · ~0.92
Father
James Nelson
b. ~1865
Source father
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Nelson
Daughter · 1940 · age 31 · b. ~1909 · Indiana
★ 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 — Montgomery-County, Indiana
Open full size
1940 US Federal Census — Montgomery-County, Indiana
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-01080-00442)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Alton Mills | 29 | Head | Furn. Operator | Michigan |
| 42 | Bethel Mills | 28 | Wife | Fixing Setter | Illinois |
| 43 | Barbara Jean Mills | 9 | Daughter | — | Illinois |
| 44 | Jacqueline Marie Mills | 7 | Daughter | — | Illinois |
| 45 | Bonnie Karene Mills | 3 | Daughter | — | Indiana |
| 48 | Albert Shahan | 49 | Head | General Contractor | Indiana |
| 49 | John C. Shahan | 25 | Son | — | Indiana |
| 50 | James P. Green | 83 | Head | — | Indiana |
| 51 | Lucy Green | 79 | Wife | — | Indiana |
| 52 | Arthur Green | 56 | Son | — | Indiana |
| 53 | Luther P. Maxey | 63 | Head | Farm Laborer | Kentucky |
| 54 | Ella W. Maxey | 57 | Wife | — | Tennessee |
| 55 | John H. Clemens | 65 | Head | Laborer | Indiana |
| 56 | Agnes Clemens | 60 | Wife | — | Indiana |
| 57 | Joseph E. Zahn | 54 | Head | Pressman | Indiana |
| 58 | Mary G. Zahn | 47 | Wife | House Work | Indiana |
| 59 | Velma Zahn | 24 | Daughter | Dentist Assistant | Indiana |
| 60 | Betty Ellen Zahn | 15 | Daughter | — | Indiana |
| 61 | Aubrey Lorp | 29 | Head | Waiter | Indiana |
| 62 | Betty Ann Lorp | 24 | Wife | — | Indiana |
| 63 | Judith Ann Lorp | 3 | Daughter | — | Indiana |
| 64 | William F. Parker | 68 | Head | Mineral Salesman | Indiana |
| 65 | Zoal Parker | 61 | Wife | — | Indiana |
| 66 | Kenneth Zachary | 29 | Head | Straightener Steel | Indiana |
| 67 | Frances Zachary | 20 | Wife | — | Indiana |
| 68 | Janice Zachary | 0 | Daughter | — | Indiana |
| 69 | Robert Zachary | 15 | Brother | — | Indiana |
| 70 | Carl Earl | 53 | Head | Tavern Waiter | Indiana |
| 71 | Emma Earl | 31 | Wife | Variety Store Clerk | Indiana |
| 72 | Richard Earl | 9 | Son | — | Indiana |
| 73 | Yolande Earl | 7 | Daughter | — | Indiana |
| 74 | D. Paul Jones | 45 | Head | Bookkeeper | Indiana |
| 75 | Nina Fern Jones | 38 | Wife | Welfare Director | Indiana |
| 76 | Billy B. Mount | 77 | Mother-in-law | — | Indiana |
| 77 | Harry Lara | 55 | Head | Yardman General Labor | Indiana |
| 78 | Samuel Nelson | 77 | Head | — | Kentucky |
| 79 | Dorothy M. Nelson THIS PERSON | 31 | Daughter | — | Indiana |
| 80 | James E. Nelson | 12 | Grandson | — | Indiana |
Pedigree Summary
Dorothy
Gen 1 · 3 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)