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Arthur Larson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Worcester-County, Massachusetts
Our Model Tree links this Arthur Larson across the 1920, 1930 and 1940 US Censuses in Worcester-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Arthur & Arthur — first a son (b.~1917), then head of a 4-person household.
Age 23
b. ~1917
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Worcester-County, Massachusetts |
| Surname | Larson |
| Given Name | Arthur Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Sterling Town |
| 1935 Residence (County) | Worcester |
| Additional Details | |
| Occupation | Mechanic |
| Industry | Tool Grinding |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 625 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Mechanic |
| Township / Ward | Sterling Town |
| Est. Birth Year | ~1917 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Arthur | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Larson | Spouse | — | 46 | ~1894 |
| Arthur Larson | Son | — | 23 | ~1917 |
| Ralph Larson | Son | — | 19 | ~1921 |
| Arthur Larson | Head | — | 52 | ~1888 |
Census Appearances
1920
Worcester, Massachusetts
Son, age 2
Worcester, Massachusetts · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larson |
| Given Name | Arthur H. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Connecticut |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Worcester, Massachusetts
Son, age 13
Worcester, Massachusetts · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larson |
| Given Name | Arthur S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Connecticut |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Worcester-County, Massachusetts
Son, age 23
Worcester-County, Massachusetts · implied b. ~1917 — 4 household members
| Surname | Larson |
| Given Name | Arthur Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Sterling Town |
| 1935 Residence (County) | Worcester |
| Occupation | Mechanic |
| Industry | Tool Grinding |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 625 |
| 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 Arthur Larson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Arthur Larson (~0.92 confidence) and father Arthur Larson (~0.92 confidence) and mother Dorothy Larson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Arthur Larson
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Arthur Larson
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Dorothy Larson
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Arthur Larson
Son · 1940 · age 23 · b. ~1917 · Massachusetts
★ You are viewing this record
Sibling
Ralph Larson
Sibling · 1940 · age 19
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-t0627-01655-00022)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Phyllis Cleary | 21 | Lodger | Waitress | Massachusetts |
| 2 | Arthur Anderson | 46 | Head | Retail Store | Massachusetts |
| 3 | Gertrude Anderson | 43 | Wife | — | Massachusetts |
| 4 | Madeline Anderson | 21 | Daughter | Saleswoman | Massachusetts |
| 5 | Bertha Anderson | 82 | Mother | — | Sweden |
| 6 | James Sullivan | 63 | Lodger | — | Massachusetts |
| 7 | Wilfred Todd | 64 | Head | School Teacher | West Indies |
| 8 | Ella I. Todd | 68 | Wife | — | Indiana |
| 9 | Carl O. Nygard | 52 | Head | Carpenter | Finland |
| 10 | Maria Nygard | 52 | Wife | — | Finland |
| 11 | Luther Trow | 38 | Head | Electrician | Massachusetts |
| 12 | Elsie Trow | 38 | Wife | Salesclerk | Massachusetts |
| 13 | Warren Trow | 13 | Son | — | Massachusetts |
| 14 | Earle Trow | 9 | Son | — | Massachusetts |
| 15 | Wesley Trow | 5 | Son | — | Massachusetts |
| 16 | Arthur Larson | 52 | Head | — | Sweden |
| 17 | Dorothy Larson | 46 | Wife | — | Connecticut |
| 18 | Arthur Jr. Larson THIS PERSON | 23 | Son | Mechanic | Massachusetts |
| 19 | Ralph Larson | 19 | Son | — | Massachusetts |
| 20 | Vernon Underwood | 23 | Head | Wire Worker | Massachusetts |
| 21 | Helen Underwood | 23 | Wife | Stenographer | Massachusetts |
| 22 | H. Paul Otto | 29 | Head | Sales Mgr. | Ohio |
| 23 | Mary Otto | 24 | Wife | — | Massachusetts |
| 24 | Patricia Otto | 1 | Daughter | — | Massachusetts |
| 25 | Norman Corbett | 58 | Head | Painter & Paper Hanger | Maine |
| 26 | Judith Corbett | 51 | Wife | — | Massachusetts |
| 27 | Dorothy Corbett | 24 | Daughter | Telephone Oper. | Massachusetts |
| 28 | Anna Power | 46 | Head | — | Connecticut |
| 29 | Colleen Power | 10 | Daughter | — | Massachusetts |
| 30 | Joseph Curtin | 12 | Lodger | — | Massachusetts |
| 31 | Mary Sampson | 7 | Lodger | — | Massachusetts |
| 32 | Edward Hughes | 27 | Head | Grinder | Connecticut |
| 33 | Norma Hughes | 26 | Wife | — | Massachusetts |
| 34 | Paula Hughes | 0 | Daughter | — | Massachusetts |
| 35 | Carl Hill | 51 | Head | Truck Driver | Massachusetts |
| 36 | Ruth Hill | 47 | Wife | — | Massachusetts |
| 37 | Barbara Hill | 21 | Daughter | — | Massachusetts |
| 38 | Joseph Whitcher | 53 | Head | Foreman | Massachusetts |
| 39 | Madeline Whitcher | 54 | Wife | Mono-Type Operator | Canada |
| 40 | Joseph Drury | 57 | Head | Molder | Poland |
Pedigree Summary
Arthur + 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)