DR
Dorothy Richardson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Dorothy Richardson across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 10-person household.
Age 14
b. ~1926
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Richardson |
| Given Name | Dorothy A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Woburn |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | G 8 |
| 1935 Residence | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Medford City |
| Est. Birth Year | ~1926 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Russell Richardson | Son | — | 12 | ~1928 |
| Douglas Richardson | Son | — | 8 | ~1932 |
| Andrea Richardson | Spouse | — | 36 | ~1904 |
| Phyllis Richardson | Daughter | — | 5 | ~1935 |
| Dorothy Richardson | Daughter | — | 14 | ~1926 |
| Evelyn Richardson | Daughter | — | 9 | ~1931 |
| Wayne Richardson | Son | — | 2 | ~1938 |
| Stuart Richardson | Son | — | 4 | ~1936 |
| George Richardson | Head | — | 36 | ~1904 |
| William Richardson | Son | — | 10 | ~1930 |
Census Appearances
1930
Middlesex, Massachusetts
Daughter, age 4
Middlesex, Massachusetts · implied b. ~1926 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Richardson |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Canada English |
| Mother's Birthplace | Canada English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Daughter, age 14
Middlesex-County, Massachusetts · implied b. ~1926 — 10 household members
| Surname | Richardson |
| Given Name | Dorothy A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Woburn |
| 1935 Residence (County) | Middlesex |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | G 8 |
| 1935 Residence | Massachusetts |
| 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 Dorothy Richardson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Dorothy Richardson
Daughter · 1940 · age 14 · b. ~1926 · Massachusetts
★ You are viewing this record
Sibling
Phyllis Richardson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Richardson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wayne Richardson
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Douglas Richardson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Russell Richardson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stuart Richardson
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evelyn Richardson
Sibling · 1940 · age 9
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
39 people indexed on this census page (nara:1940:m-t0627-01611-00244)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Wendell I Howe | 24 | Son | Attractor | Massachusetts |
| 2 | George M Howe | 18 | Son | New Worker | Massachusetts |
| 3 | Dorothy L Howe | 17 | Daughter | — | Massachusetts |
| 4 | Muriel R Howe | 15 | Daughter | — | Massachusetts |
| 5 | Robert C Howe | 12 | Son | — | Massachusetts |
| 6 | Philip W Sanford | 41 | Head | Operator | Massachusetts |
| 7 | Mary E Sanford | 38 | Wife | Matron | Massachusetts |
| 8 | Philip W Jr Sanford | 15 | Son | — | Massachusetts |
| 9 | Muriel E Sanford | 10 | Daughter | — | Massachusetts |
| 10 | Paul S Sanford | 8 | Son | — | Massachusetts |
| 11 | Robert F Sanford | 6 | Son | — | Massachusetts |
| 12 | Charles W Kuglin | 49 | Head | Operator | Germany |
| 13 | Annette M Kuglin | 44 | Wife | — | Canada English |
| 14 | Rupert W Kuglin | 22 | Son | Gasoline Attendant | Massachusetts |
| 15 | Lois A Hines | 76 | Mother-in-law | — | Canada English |
| 16 | Raymond De Marco | 6 | Boarder | — | Massachusetts |
| 17 | Lilly E Svendsem | 45 | Head | Accommodator | Norway |
| 18 | Lillian M Svendsem | 18 | Daughter | Operator | Massachusetts |
| 19 | Dietrich Tyresen | 50 | Lodger | Die-Maker | Norway |
| 20 | George H Richardson | 36 | Head | Carpenter | Canada English |
| 21 | Andrea C Richardson | 36 | Wife | — | Canada English |
| 22 | Dorothy A Richardson THIS PERSON | 14 | Daughter | — | Massachusetts |
| 23 | Russell G Richardson | 12 | Son | — | Massachusetts |
| 24 | William H Richardson | 10 | Son | — | Massachusetts |
| 25 | Evelyn A Richardson | 9 | Daughter | — | Massachusetts |
| 26 | Douglas G Richardson | 8 | Son | — | Massachusetts |
| 27 | Phyllis S Richardson | 5 | Daughter | — | Massachusetts |
| 28 | Stuart C Richardson | 4 | Son | — | Massachusetts |
| 29 | Wayne D Richardson | 2 | Son | — | Massachusetts |
| 30 | Daniel F Steele | 65 | Head | Carpenter | Canada English |
| 31 | Augusta F Steele | 60 | Wife | — | Canada English |
| 32 | Walter S Stewart | 38 | Head | Mechanical Engineer | Massachusetts |
| 33 | Anne F Stewart | 31 | Wife | — | Eire |
| 34 | Theresa H Stewart | 8 | Daughter | — | Massachusetts |
| 35 | Walter L Sanders | 43 | Head | Packer | Russia |
| 36 | Effie Sanders | 43 | Wife | Cook | Russia |
| 37 | Lucy H Sanders | 16 | Daughter | — | Massachusetts |
| 38 | James J Lee | 64 | Head | Bus Operator | Massachusetts |
| 39 | Elizabeth B Lee | 59 | Wife | — | Massachusetts |
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)