ER
Ella Robinson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Yellowstone-County, Montana
Our Model Tree links this Ella Robinson across the 1930 and 1940 US Censuses in Yellowstone-County, Montana (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 6-person household.
Age 17
b. ~1923
Female
Daughter
Born: Montana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Yellowstone-County, Montana |
| Surname | Robinson |
| Given Name | Ella |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Montana |
| 1935 Residence (City) | Billings city |
| 1935 Residence (County) | Yellowstone |
| Additional Details | |
| Industry | 0 |
| Highest Grade | H 3 |
| 1935 Residence | Same House |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
| Township / Ward | Billings City |
| Est. Birth Year | ~1923 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ella | Age | Birth yr |
|---|---|---|---|---|
| Ralph Robinson | Head | — | 47 | ~1893 |
| Harley Robinson | Son | — | 14 | ~1926 |
| Edwin Robinson | Son | — | 12 | ~1928 |
| Ella Robinson | Daughter | — | 17 | ~1923 |
| Jack Robinson | Son | — | 10 | ~1930 |
| Charles Robinson | Son | — | 25 | ~1915 |
Census Appearances
1930
Yellowstone, Montana
Daughter, age 7
Yellowstone, Montana · implied b. ~1923 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | Ella L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | California |
| Mother's Birthplace | Nebraska |
| Occupation | none |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1940
Yellowstone-County, Montana
Daughter, age 17
Yellowstone-County, Montana · implied b. ~1923 — 6 household members
| Surname | Robinson |
| Given Name | Ella |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Montana |
| 1935 Residence (City) | Billings city |
| 1935 Residence (County) | Yellowstone |
| Industry | 0 |
| Highest Grade | H 3 |
| 1935 Residence | Same House |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
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 Ella Robinson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ella Robinson
Daughter · 1940 · age 17 · b. ~1923 · Montana
★ You are viewing this record
Sibling
Charles Robinson
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jack Robinson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harley Robinson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edwin Robinson
Sibling · 1940 · age 12
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 — Yellowstone-County, Montana
Open full size
1940 US Federal Census — Yellowstone-County, Montana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02234-00400)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nelle G. Blair | 54 | Wife | — | Nebraska |
| 2 | Ray E. Scott | 50 | Head | Electric Welder | Montana |
| 3 | Florence Scott | 42 | Wife | — | Montana |
| 4 | Charles H. Bohling | 50 | Head | Assistant Secretary | Minnesota |
| 5 | Grace M. Bohling | 45 | Wife | — | Montana |
| 6 | Darlene Bohling | 8 | Daughter | — | California |
| 7 | Ralph E. Robinson | 47 | Head | Postman | Montana |
| 8 | Charles Robinson | 25 | Son | Plasterer | Montana |
| 9 | Ella Robinson THIS PERSON | 17 | Daughter | — | Montana |
| 10 | Harley Robinson | 14 | Son | — | Montana |
| 11 | Edwin Robinson | 12 | Son | — | Montana |
| 12 | Jack Robinson | 10 | Son | — | Montana |
| 13 | Karl Delven | 49 | Head | Contractor | Minnesota |
| 14 | Clarissa E. Delven | 46 | Wife | — | Minnesota |
| 15 | Allie M. Delven | 18 | Son | — | Montana |
| 16 | Arthur Blend | 57 | Head | Realtor | Iowa |
| 17 | Maude R. Blend | 57 | Wife | — | Iowa |
| 18 | Theodore O. Sletten | 39 | Head | Plant Supt. | S. Dakota |
| 19 | Flora M. Sletten | 31 | Wife | — | Kansas |
| 20 | Kenneth Sletten | 10 | Son | — | Montana |
| 21 | Vivian Sletten | 8 | Daughter | — | Montana |
| 22 | Robert John | 58 | Head | Owner | Switzerland |
| 23 | Augusta John | 49 | Wife | — | Penn. |
| 24 | Carol John | 21 | Daughter | Stenographer | Montana |
| 25 | Robert Jr. John | 14 | Son | — | Montana |
| 26 | Leon O. Anderson | 46 | Head | Manager | S. Dakota |
| 27 | Ruth Anderson | 45 | Wife | — | S. Dakota |
| 28 | David Anderson | 15 | Son | — | S. Dakota |
| 29 | Alice Anderson | 14 | Daughter | — | S. Dakota |
| 30 | Rosemary Anderson | 8 | Daughter | — | S. Dakota |
| 31 | Keith Sime | 33 | Head | Agent | Montana |
| 32 | Edythe H. Sime | 33 | Wife | — | Montana |
| 33 | Keith Jr. Sime | 6 | Son | — | Montana |
| 34 | Anne Sime | 3 | Daughter | — | Montana |
| 35 | William R. Saunders | 59 | Head | Dealer | Virginia |
| 36 | Frances H. Saunders | 47 | Wife | — | Nebraska |
| 37 | Barbara Saunders | 16 | Daughter | — | Montana |
| 38 | Jimmy Saunders | 7 | Son | — | Montana |
| 39 | John J. Mclaughlin | 30 | Head | Partner | Montana |
| 40 | Mary H. Mclaughlin | 28 | Wife | — | Montana |
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)