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Alice Olson — 1920 US Census Record
Model Tree available1920 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Alice Olson across the 1910, 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents Andrew & Herman — first a daughter (b.~1905), then head of a 6-person household.
Age 15
b. ~1905
Female
Daughter
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Middlesex, Massachusetts |
| Surname | Olson |
| Given Name | Alice P |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | Laborer |
| Industry | Watch Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Laborer |
| Township / Ward | Waltham 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.
6 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Alice | Age | Birth yr |
|---|---|---|---|---|
| Helen Olson | Daughter | — | 22 | ~1898 |
| Andrew Olson | Head | — | 53 | ~1867 |
| Alice Olson | Daughter | — | 15 | ~1905 |
| Bertha Olson | Daughter | — | 27 | ~1893 |
| Edith Olson | Daughter | — | 18 | ~1902 |
| Annie Olson | Spouse | — | 53 | ~1867 |
Census Appearances
1910
Middlesex, Massachusetts
Daughter, age 5
Middlesex, Massachusetts · implied b. ~1905 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Daughter, age 15
Middlesex, Massachusetts · implied b. ~1905 — 6 household members
| Surname | Olson |
| Given Name | Alice P |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Laborer |
| Industry | Watch Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Daughter, age 25
Middlesex, Massachusetts · implied b. ~1905 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ohlson |
| Given Name | Alice B. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Bookkeeper |
| Industry | Bank |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 (1910, 1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage. Identified parents: father Andrew Olson (~0.92 confidence) and father Herman Olson (~0.92 confidence) and father Michael Ohlson (~0.92 confidence) and mother Annie Olson (~0.92 confidence) and mother Eugenie Olson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Andrew Olson
b. ~1867
Source father
● Household
· direct · ~0.92
Father
Herman Olson
b. ~1860
Source father
● Household
· direct · ~0.92
Father
Michael Ohlson
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Annie Olson
b. ~1867
Source mother
● Household
· direct · ~0.92
Mother
Eugenie Olson
b. ~1859
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Alice Olson
Daughter · 1920 · age 15 · b. ~1905 · Massachusetts
★ You are viewing this record
Sibling
Bertha Olson
Sibling · 1920 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Olson
Sibling · 1920 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Olson
Sibling · 1920 · age 18
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
1920 US Federal Census — Middlesex, Massachusetts
Open full size
1920 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu719unit:0896)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George H Trider | 56 | Head | Guide | Nova Scotia |
| 2 | Hannah A Trider | 53 | Wife | — | Nova Scotia |
| 3 | Eva M Trider | 31 | Daughter | — | Massachusetts |
| 4 | Annie A Phelps | 33 | Daughter | Nurse | Massachusetts |
| 5 | George H Trider | 29 | Son | Waitress | Massachusetts |
| 6 | Winthrop L Phelps | 13 | Grandson | Machinist | Massachusetts |
| 7 | Grace M Phelps | 11 | Granddaughter | — | Massachusetts |
| 8 | Francis White | 84 | Head | — | Maine |
| 9 | Sarah White | 81 | Wife | Stationary Engineer | Connecticut |
| 10 | Michael J Hicks | 42 | Lodger | — | Connecticut |
| 11 | Jennie M Hicks | 50 | Lodger | Baggage Master | Massachusetts |
| 12 | Cachman Monell | 32 | Head | — | Massachusetts |
| 13 | Dora L Monell | 25 | Wife | Carpenter | Maine |
| 14 | Cachman Jr. Monell | 2 | Son | — | Massachusetts |
| 15 | Richard Monell | 1 | Son | — | Massachusetts |
| 16 | Andrew E Olson | 53 | Head | — | Sweden |
| 17 | Annie E Olson | 53 | Wife | Machinist | Sweden |
| 18 | Bertha M Olson | 27 | Daughter | — | Rhode Island |
| 19 | Helen E Olson | 22 | Daughter | Laborer | Massachusetts |
| 20 | Edith F Olson | 18 | Daughter | Laborer | Massachusetts |
| 21 | Alice P Olson THIS PERSON | 15 | Daughter | Laborer | Massachusetts |
| 22 | Ida Birkenhen | 45 | Head | — | New York |
| 23 | Edwin E Birkenhen | 26 | Son | Laborer | New Hampshire |
| 24 | Esther Birkenhen | 18 | Daughter | Asst Master | Connecticut |
| 25 | Daniel Thee | 27 | Head | Time Clerk | Massachusetts |
| 26 | Mary Thee | 27 | Wife | Undertaker | Massachusetts |
| 27 | Dorothy Thee | 1 | Daughter | — | Massachusetts |
| 28 | Michael Hennessy | 42 | Head | — | Ireland |
| 29 | Katherine Hennessy | 50 | Wife | Chemist | England |
| 30 | Anna Hennessy | 14 | Daughter | — | Massachusetts |
| 31 | Leonard Hennessy | 12 | Son | — | Massachusetts |
| 32 | John A Whitehead | 26 | Head | — | Massachusetts |
| 33 | Carrie B Whitehead | 22 | Wife | Advertising Man | Massachusetts |
| 34 | Anne Whitehead | 65 | Mother | — | Nova Scotia |
| 35 | Margaret A Whitehead | 30 | Sister | — | Massachusetts |
| 36 | John S Aiken | 28 | Head | Linotype | Massachusetts |
| 37 | Mary S Aiken | 23 | Wife | — | England |
| 38 | Henry G Eaton | 46 | Head | — | Massachusetts |
| 39 | Mary J Eaton | 40 | Wife | Printer | Massachusetts |
| 40 | Edward H Merrill | 67 | Head | — | Maine |
| 41 | Amy Merrill | 61 | Wife | Proprietor | New Brunswick |
| 42 | Elisha Merrill | 33 | Daughter | — | Maine |
| 43 | Alice L Merrill | 31 | Daughter | Laborer | Maine |
| 44 | Ida L Merrill | 20 | Daughter | Laborer | Maine |
| 45 | Fred Spicer | 35 | Head | Laborer | Canada |
| 46 | Effie Spicer | 35 | Wife | Chauffeur | Canada |
| 47 | Fred Jr Spicer | 10 | Son | Laborer | Massachusetts |
| 48 | Nathaniel F Groom | 40 | Head | — | Massachusetts |
| 49 | Sallie Groom | 36 | Wife | Watch Maker | Ireland |
| 50 | Catherine Burke | 32 | Lodger | — | New York |
Pedigree Summary
Alice + 3 siblings
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)