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Walter Richardson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Walter Richardson across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Percy & Rebecca — first a son (b.~1906), then head of a 3-person household.
Age 34
b. ~1906
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Richardson |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Steel Estimator |
| Industry | Steel Cutting |
| Class of Worker | E |
| Hours Worked | 40 |
| Income (1939) | 156 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Steel Estimator |
| Township / Ward | Medford City |
| Est. Birth Year | ~1906 |
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 Walter | Age | Birth yr |
|---|---|---|---|---|
| Walter Richardson | Son | — | 34 | ~1906 |
| Rebecca Richardson | Head | — | 67 | ~1873 |
| Marguerite Richardson | Daughter | — | 36 | ~1904 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 13
Middlesex, Massachusetts · implied b. ~1907 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Richardson |
| Given Name | Walter A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | England |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 24
Middlesex, Massachusetts · implied b. ~1906 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Richardson |
| Given Name | Walter E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | England |
| Mother's Birthplace | Pennsylvania |
| Occupation | Salesman |
| Industry | Hospital |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 34
Middlesex-County, Massachusetts · implied b. ~1906 — 3 household members
| Surname | Richardson |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford City |
| 1935 Residence (County) | Middlesex |
| Occupation | Steel Estimator |
| Industry | Steel Cutting |
| Class of Worker | E |
| Hours Worked | 40 |
| Income (1939) | 156 |
| Highest Grade | H 4 |
| 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 Walter Richardson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Percy Richardson (~0.92 confidence) and mother Rebecca Richardson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Percy Richardson
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Rebecca Richardson
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Walter Richardson
Son · 1940 · age 34 · b. ~1906 · Massachusetts
★ You are viewing this record
Sibling
Marguerite Richardson
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 — 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-t0627-01612-00185)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Walter E. Swett | 63 | Head | Storekeeper | Maine |
| 2 | Katherine Swett | 52 | Wife | — | New Brunswick |
| 3 | Frank Call | 44 | Head | Mason | New York |
| 4 | Frances Call | 41 | Wife | — | Syria |
| 5 | Claire Call | 19 | Daughter | Waitress | New York |
| 6 | Hilda Call | 18 | Daughter | Salesgirl | Massachusetts |
| 7 | Frances Call | 13 | Daughter | — | Massachusetts |
| 8 | Patricia Call | 6 | Daughter | — | New Hampshire |
| 9 | Audrey Call | 4 | Son | — | New Hampshire |
| 10 | Donna Call | 2 | Daughter | — | New Hampshire |
| 11 | William Browne | 47 | Head | Plumber | New York |
| 12 | Mildred Browne | 46 | Wife | — | New York |
| 13 | John Farrell | 28 | Step-son | Plumbers Helper | Illinois |
| 14 | George Browne | 37 | Brother | Plumber | New York |
| 15 | Sidney T. Guild | 48 | Head | Broker | Massachusetts |
| 16 | Dorothy S. Guild | 43 | Wife | — | Iowa |
| 17 | Sidney T. Guild | 15 | Son | — | Massachusetts |
| 18 | David Guild | 14 | Son | — | Massachusetts |
| 19 | Sylvia Guild | 12 | Daughter | — | Massachusetts |
| 20 | Arthur Davidson | 47 | Head | Salesman | Massachusetts |
| 21 | Ida Davidson | 47 | Wife | — | Kansas |
| 22 | Robert C. Davidson | 19 | Son | — | Massachusetts |
| 23 | Ida Davidson | 16 | Daughter | — | Massachusetts |
| 24 | Richard Davidson | 13 | Son | — | Massachusetts |
| 25 | Rebecca Richardson | 67 | Head | — | Pennsylvania |
| 26 | Marguerite Richardson | 36 | Daughter | Stenographer | Massachusetts |
| 27 | Walter Richardson THIS PERSON | 34 | Son | Steel Estimator | Massachusetts |
| 28 | Helen Buss | 51 | Head | — | Massachusetts |
| 29 | Margaret Johnson | 54 | Sister | — | Massachusetts |
| 30 | Bertha Johnson | 15 | Niece | — | New York |
| 31 | George Cashman | 22 | Lodger | — | Massachusetts |
| 32 | Nancy Johnson | 60 | Maid | Maid | Virginia |
| 33 | Eliot Emerson | 32 | Head | Clerk | New York |
| 34 | Florence Emerson | 32 | Wife | Librarian | Massachusetts |
| 35 | Frank Winston | 69 | Head | Stockman | Massachusetts |
| 36 | Elsie J. Rollins | 63 | Housekeeper | Housekeeper | New Brunswick |
| 37 | Robert Mackey | 83 | Head | — | Australia |
| 38 | George F. Albert | 68 | Head | — | Massachusetts |
| 39 | Jennie E. Albert | 67 | Wife | — | Massachusetts |
| 40 | Emelie Reardon | 54 | Lodger | Stenographer | Massachusetts |
Pedigree Summary
Walter + 1 sibling
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)