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Emma Olson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Worcester-County, Massachusetts
Our Model Tree links this Emma Olson across the 1920, 1930 and 1940 US Censuses in Worcester-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Gustaf & Gustav — first a daughter (b.~1905), then head of a 3-person household.
Age 35
b. ~1905
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Worcester-County, Massachusetts |
| Surname | Olson |
| Given Name | Emma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Worcester City |
| 1935 Residence (County) | Worcester |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Worcester City |
| Est. Birth Year | ~1905 |
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 Emma | Age | Birth yr |
|---|---|---|---|---|
| Gustaf Olson | Head | — | 65 | ~1875 |
| Wilder Olson | Daughter | — | 36 | ~1904 |
| Emma Olson | Daughter | — | 35 | ~1905 |
Census Appearances
1920
Worcester, Massachusetts
Daughter, age 14
Worcester, Massachusetts · implied b. ~1906 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Emma L |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Worcester, Massachusetts
Daughter, age 25
Worcester, Massachusetts · implied b. ~1905 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Emma T. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Worcester-County, Massachusetts
Daughter, age 35
Worcester-County, Massachusetts · implied b. ~1905 — 3 household members
| Surname | Olson |
| Given Name | Emma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Worcester City |
| 1935 Residence (County) | Worcester |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Emma Olson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Gustaf Olson (~0.92 confidence) and father Gustav Olson (~0.92 confidence) and father Gustave Olson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Gustaf Olson
b. ~1875
Source father
● Household
· direct · ~0.92
Father
Gustav Olson
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Gustave Olson
b. ~1876
Source father
● Household
· direct · ~0.92
This person
Anchor record
Emma Olson
Daughter · 1940 · age 35 · b. ~1905 · Massachusetts
★ You are viewing this record
Sibling
Wilder Olson
Sibling · 1940 · age 36
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 — Worcester-County, Massachusetts
Open full size
1940 US Federal Census — Worcester-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01713-00180)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Noah Ashworth | 42 | Head | Machinist | Rhode Island |
| 2 | Mabel G Ashworth | 44 | Wife | — | Nova Scotia |
| 3 | Barbara Ashworth | 7 | Daughter | — | New York |
| 4 | Francis E Joyce | 26 | Head | Clerk | Massachusetts |
| 5 | Margaret Joyce | 27 | Wife | — | Massachusetts |
| 6 | Paul Joyce | 2 | Son | — | Massachusetts |
| 7 | Ellen Joyce | 0 | Daughter | — | Massachusetts |
| 8 | Henry Poulin | 27 | Head | Barber | Vermont |
| 9 | Melvina Poulin | 24 | Wife | — | Massachusetts |
| 10 | Henry Poulin | 4 | Son | — | Massachusetts |
| 11 | Gloria Poulin | 2 | Daughter | — | Massachusetts |
| 12 | Lorraine Poulin | 0 | Daughter | — | Massachusetts |
| 13 | Louis Cialone | 30 | Head | Book Binder | Italy |
| 14 | Frances Cialone | 26 | Wife | — | Nova Scotia |
| 15 | Marilyn A Cialone | 5 | Daughter | — | Massachusetts |
| 16 | Beverly F Cialone | 2 | Daughter | — | Massachusetts |
| 17 | Alphonse D Chamberlain | 26 | Head | Commercial Artist | Massachusetts |
| 18 | Phyllis Chamberlain | 29 | Wife | — | Amherst, N.H. |
| 19 | Harry Kilmer | 38 | Head | Timekeeper | Massachusetts |
| 20 | Evelyn Kilmer | 39 | Wife | — | Massachusetts |
| 21 | Harry Jr Kilmer | 14 | Son | — | Massachusetts |
| 22 | Richard Kilmer | 11 | Son | — | Massachusetts |
| 23 | Gloria Kilmer | 5 | Daughter | — | Massachusetts |
| 24 | Mary Eno | 69 | Mother | — | Canada |
| 25 | Margaret O'Brien | 64 | Head | — | Ireland |
| 26 | Margaret T O'Brien | 23 | Daughter | — | Massachusetts |
| 27 | Mary O'Brien | 41 | Daughter | Box Maker | Massachusetts |
| 28 | Anna O'Brien | 38 | Daughter | Box Maker | Massachusetts |
| 29 | John O'Brien | 39 | Son | — | Massachusetts |
| 30 | Vendla Persson | 67 | Head | — | Sweden |
| 31 | Mathilda Gustafson | 76 | Roomer | — | Sweden |
| 32 | Edith Cremer | 29 | Roomer | Nurse | Rhode Island |
| 33 | Edwin F Collemer | 74 | Head | — | Maine |
| 34 | Ruth R Collemer | 74 | Wife | — | Alabama |
| 35 | Gustave Swanson | 63 | Head | — | Sweden |
| 36 | Emma Swanson | 62 | Wife | — | Sweden |
| 37 | Ethel G Swanson | 33 | Daughter | Teacher | Massachusetts |
| 38 | Gustaf Olson | 65 | Head | Metal Polisher | Sweden |
| 39 | Wilder Olson | 36 | Daughter | Box Maker | Massachusetts |
| 40 | Emma Olson THIS PERSON | 35 | Daughter | — | Massachusetts |
Pedigree Summary
Emma + 1 sibling
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)