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Alice Olson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Alice Olson across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Martin & Bessie — first a spouse (b.~1907), then head of a 5-person household.
Age 33
b. ~1907
Female
Spouse
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Olson |
| Given Name | Alice S |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Arlington Heights - Arlington |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Arlington Heights Arlington |
| Est. Birth Year | ~1907 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Alice | Age | Birth yr |
|---|---|---|---|---|
| Emil Olson | Head | — | 37 | ~1903 |
| Jean Olson | Daughter | — | 2 | ~1938 |
| Alice Olson | Spouse | — | 33 | ~1907 |
| Carol Olson | Daughter | — | 1 | ~1939 |
| Ruth Olson | Daughter | — | ~1940 |
Census Appearances
1920
Middlesex, Massachusetts
Daughter, age 13
Middlesex, Massachusetts · implied b. ~1907 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Alice M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Daughter, age 23
Middlesex, Massachusetts · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olsen |
| Given Name | Alice M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Milliner |
| Industry | Retail Millinery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Spouse, age 33
Middlesex-County, Massachusetts · implied b. ~1907 — 5 household members
| Surname | Olson |
| Given Name | Alice S |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Arlington Heights - Arlington |
| 1935 Residence (County) | Middlesex |
| Class of Worker | 0 |
| Highest Grade | H-2 |
| 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 Alice Olson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Martin Olsen (~0.92 confidence) and mother Bessie Olson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Martin Olsen
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Bessie Olson
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Alice Olson
Spouse · 1940 · age 33 · b. ~1907 · Massachusetts
★ 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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01601-00112)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Paul Chandler | 43 | Head | Salesman | New Hampshire |
| 42 | Leta E Chandler | 39 | Wife | — | Massachusetts |
| 43 | William A Sater | 45 | Head | Collector | Massachusetts |
| 44 | Clara B Sater | 41 | Wife | — | Massachusetts |
| 45 | Robert Sater | 16 | Son | — | Massachusetts |
| 46 | William Sater | 15 | Son | — | Massachusetts |
| 47 | Lorraine Sater | 10 | Daughter | — | Massachusetts |
| 48 | Catherine Watson | 77 | Mother-in-law | — | Massachusetts |
| 49 | Percy La Bonte | 66 | Head | — | Massachusetts |
| 50 | Anthony La Bonte | 38 | Son | Salesman | New Hampshire |
| 51 | Martha La Bonte | 36 | Daughter | Secretary | New Hampshire |
| 52 | Angela La Bonte | 33 | Daughter | Personal Body | New Hampshire |
| 53 | Emil Olson | 37 | Head | Mechanic | Sweden |
| 54 | Alice S Olson THIS PERSON | 33 | Wife | — | Massachusetts |
| 55 | Jean Alice Olson | 2 | Daughter | — | Massachusetts |
| 56 | Ruth E Olson | 0 | Daughter | — | Massachusetts |
| 57 | Carol L Olson | 1 | Daughter | — | Massachusetts |
| 58 | William Macdonald | 60 | Head | Watchman | New Hampshire |
| 59 | William J Macdonald | 26 | Son | Cook | Massachusetts |
| 60 | Eva Macdonald | 23 | Daughter | — | Massachusetts |
| 61 | John J Heaney | 49 | Head | Salesman | Ireland |
| 62 | Mary E Heaney | 41 | Wife | — | Massachusetts |
| 63 | Elizabeth M Heaney | 16 | Daughter | — | Massachusetts |
| 64 | Mary J Heaney | 15 | Daughter | — | Massachusetts |
| 65 | Anna J Heaney | 13 | Daughter | — | Massachusetts |
| 66 | Ruth T Heaney | 5 | Daughter | — | Massachusetts |
| 67 | John J Jr Heaney | 8 | Son | — | Massachusetts |
| 68 | Julia Murphy | 66 | Aunt | — | Ireland |
| 69 | Albert Larson | 73 | Head | — | Sweden |
| 70 | Minnie Larson | 72 | Wife | — | Sweden |
| 71 | Sigrid Larson | 38 | Daughter | Nurse | Sweden |
| 72 | Charles F Manus | 58 | Head | Owner | Maine |
| 73 | Mary L Manus | 55 | Wife | — | Maine |
| 74 | Siffin, Beatrice Manus | 12 | Step-daughter | — | Massachusetts |
| 75 | Madeline Manus | 9 | Step-daughter | — | Massachusetts |
| 76 | Harold Watt | 42 | Head | — | Massachusetts |
| 77 | Rose Watt | 46 | Wife | — | Massachusetts |
| 78 | John J Crossman | 71 | Head | — | New Hampshire |
| 79 | Lilla D Crossman | 64 | Wife | — | Massachusetts |
| 80 | Hazel Anderson | 40 | Daughter | Salesgirl | Massachusetts |
Pedigree Summary
Alice
Gen 1 · 2 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)