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Kenneth Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Kenneth Anderson across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Selma & Thelma — first a son (b.~1909), then head of a 3-person household.
Age 31
b. ~1909
Male
Son
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Anderson |
| Given Name | Kenneth |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford city |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Inspector |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 48 |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Inspector |
| Township / Ward | Medford City |
| Est. Birth Year | ~1909 |
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 Kenneth | Age | Birth yr |
|---|---|---|---|---|
| Bertha Anderson | Other | — | 27 | ~1913 |
| Kenneth Anderson | Son | — | 31 | ~1909 |
| Thelma Anderson | Head | — | 73 | ~1867 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 10
Middlesex, Massachusetts · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Kenneth |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| 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
Son, age 21
Middlesex, Massachusetts · implied b. ~1909 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Kenneth W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Chauffeur |
| Industry | Trucking |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 31
Middlesex-County, Massachusetts · implied b. ~1909 — 3 household members
| Surname | Anderson |
| Given Name | Kenneth |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford city |
| 1935 Residence (County) | Middlesex |
| Occupation | Inspector |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 48 |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| 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 Kenneth Anderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Selma Anderson (~0.92 confidence) and mother Thelma Anderson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Selma Anderson
b. ~1866
Source mother
● Household
· direct · ~0.92
Mother
Thelma Anderson
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Kenneth Anderson
Son · 1940 · age 31 · b. ~1909 · 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-t0627-01612-00957)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margaret J De Mun | 40 | Daughter | — | New Jersey |
| 2 | Lawrence Dertic | 24 | Head | Bundler | Massachusetts |
| 3 | Josephine Dertic | 23 | Wife | — | Massachusetts |
| 4 | Ralph Jordan | 46 | Head | Barber | Italy |
| 5 | Anna Jordan | 43 | Wife | — | Massachusetts |
| 6 | Viola Jordan | 22 | Daughter | Trimmer | Massachusetts |
| 7 | Frederick Jordan | 20 | Son | Shipper | Massachusetts |
| 8 | Adolph Jordan | 17 | Son | Laborer | Massachusetts |
| 9 | Ralph Jordan | 16 | Son | Helper | Massachusetts |
| 10 | Rita Jordan | 15 | Daughter | — | Massachusetts |
| 11 | Thelma Anderson | 73 | Head | — | Sweden |
| 12 | Kenneth Anderson THIS PERSON | 31 | Son | Inspector | Massachusetts |
| 13 | Bertha Anderson | 27 | Daughter-in-law | — | Canada-English |
| 14 | Elisee Jean | 39 | Head | Lather | Canada-French |
| 15 | Zelia Jean | 39 | Wife | — | Canada-French |
| 16 | Arthur Jean | 16 | Son | — | Maine |
| 17 | Robert Jean | 15 | Son | — | Maine |
| 18 | Rita Jean | 13 | Daughter | — | Maine |
| 19 | Ernest Jean | 12 | Son | — | Maine |
| 20 | Lucille Jean | 11 | Daughter | — | Massachusetts |
| 21 | Albert Jean | 10 | Son | — | Massachusetts |
| 22 | Alice Jean | 4 | Daughter | — | Massachusetts |
| 23 | Leo Jean | 3 | Son | — | Massachusetts |
| 24 | Centralla Cimmaro | 48 | Head | Fire Watcher | Italy |
| 25 | Philomena Cimmaro | 46 | Wife | — | Italy |
| 26 | Rose Cimmaro | 23 | Daughter | Embroiderer | Massachusetts |
| 27 | Christine Cimmaro | 22 | Daughter | Dressmaker | Massachusetts |
| 28 | Vincent Cimmaro | 21 | Son | Clerk | Massachusetts |
| 29 | Emma Cimmaro | 14 | Daughter | — | Massachusetts |
| 30 | Carmine Russo | 59 | Head | Laborer | Italy |
| 31 | Mary Russo | 52 | Wife | — | Italy |
| 32 | Angela Russo | 19 | Daughter | Chocolate Machine | New York |
| 33 | Carmella Russo | 18 | Daughter | Operator | Massachusetts |
| 34 | Lillian Russo | 16 | Daughter | New Worker | Massachusetts |
| 35 | Carmine Russo | 12 | Son | — | Massachusetts |
| 36 | Samuel E Baird | 22 | Head | Chauffeur | Massachusetts |
| 37 | Susan D Baird | 27 | Wife | — | Canada-English |
| 38 | Frances Baird | 3 | Daughter | — | Massachusetts |
| 39 | Antonio De Flammeri | 25 | Head | Laborer | Italy |
| 40 | Viola M De Flammeri | 23 | Wife | — | Massachusetts |
Pedigree Summary
Kenneth
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)