DM
Dorothy Morris — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Dorothy Morris across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Clara & Lester — first a daughter (b.~1922), then head of a 7-person household.
Age 18
b. ~1922
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Morris |
| Given Name | Dorothy J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Secretary |
| Industry | Doctor's Office |
| Class of Worker | PW |
| Hours Worked | 18 |
| Income (1939) | 360 |
| Highest Grade | No H-4 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Secretary |
| Township / Ward | Medford City |
| Est. Birth Year | ~1922 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| R Morris | Son | — | 15 | ~1925 |
| Emma Calvert | Other | — | 78 | ~1862 |
| Ralph Morris | Son | — | 11 | ~1929 |
| Lester Morris | Head | — | 46 | ~1894 |
| Clara Morris | Spouse | — | 46 | ~1894 |
| Dorothy Morris | Daughter | — | 18 | ~1922 |
| James Montgomery | Son | — | 21 | ~1919 |
Census Appearances
1920
Middlesex, Massachusetts
Other, age
Middlesex, Massachusetts · implied b. ~1920 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Morris |
| Given Name | Dorothy |
| Relationship to Head | grand-daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Daughter, age 9
Middlesex, Massachusetts · implied b. ~1921 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Morris |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Daughter, age 18
Middlesex-County, Massachusetts · implied b. ~1922 — 7 household members
| Surname | Morris |
| Given Name | Dorothy J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford City |
| 1935 Residence (County) | Middlesex |
| Occupation | Secretary |
| Industry | Doctor's Office |
| Class of Worker | PW |
| Hours Worked | 18 |
| Income (1939) | 360 |
| Highest Grade | No H-4 |
| 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 Dorothy Morris across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Clara Morris (~0.92 confidence) and father Lester Morris (~0.92 confidence) and mother Freda Morris (~0.92 confidence) and father Albert Morris (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Clara Morris
b. ~1894
Source mother
● Household
· direct · ~0.92
Father
Lester Morris
b. ~1894
Source father
● Household
· direct · ~0.92
Mother
Freda Morris
b. ~1898
Source mother
● Household
· direct · ~0.92
Father
Albert Morris
b. ~1899
Source father
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Morris
Daughter · 1940 · age 18 · b. ~1922 · Massachusetts
★ You are viewing this record
Sibling
R Morris
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Morris
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Montgomery
Sibling · 1940 · age 21
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-t0627-01612-00108)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Macdonald | 75 | Mother | — | Prince Edward Island |
| 2 | John H. King | 51 | Head | Estimator | Massachusetts |
| 3 | Margaret King | 51 | Wife | — | Massachusetts |
| 4 | Helen M. King | 22 | Daughter | Cashier | Massachusetts |
| 5 | Paul A. King | 20 | Son | New Worker | Massachusetts |
| 6 | Claire A. King | 15 | Daughter | — | Massachusetts |
| 7 | Lester W. Morris | 46 | Head | Mechanic | Connecticut |
| 8 | Clara B. Morris | 46 | Wife | — | Nova Scotia |
| 9 | James E. Montgomery | 21 | Son | Clerk | Massachusetts |
| 10 | Dorothy J. Morris THIS PERSON | 18 | Daughter | Secretary | Massachusetts |
| 11 | R. Dudley Morris | 15 | Son | — | Massachusetts |
| 12 | Ralph S. Morris | 11 | Son | — | Massachusetts |
| 13 | Emma J. Calvert | 78 | Mother | — | Connecticut |
| 14 | Harold J. Gonzales | 38 | Head | Ship Fitter | Massachusetts |
| 15 | Edith B. Gonzales | 35 | Wife | — | Canada English |
| 16 | Earl S. Gonzales | 15 | Son | — | Massachusetts |
| 17 | Ruth A. Gonzales | 4 | Daughter | — | Massachusetts |
| 18 | Frank S. Ramsdell | 32 | Head | Coffee Roaster | Massachusetts |
| 19 | Julia Ramsdell | 26 | Wife | — | Massachusetts |
| 20 | Herbert Ramsdell | 3 | Son | — | Massachusetts |
| 21 | John E. Carew | 70 | Head | Janitor | Irish Free State |
| 22 | Mary E. Carew | 60 | Wife | — | Irish Free State |
| 23 | James H. Carew | 31 | Son | Attorney | Massachusetts |
| 24 | Catherine Carew | 28 | Daughter | School Teacher | Massachusetts |
| 25 | Joseph L. Carew | 26 | Son | Salesman | Massachusetts |
| 26 | John J. Carew | 24 | Son | — | Massachusetts |
| 27 | Robert C. Murray | 36 | Head | Mechanic | Canada English |
| 28 | Emily M. Murray | 29 | Wife | — | Massachusetts |
| 29 | Ralph Murray | 5 | Son | — | Massachusetts |
| 30 | William Murray | 2 | Son | — | Massachusetts |
| 31 | Marilyn Murray | 1 | Daughter | — | Massachusetts |
| 32 | Hugo Fastein | 35 | Head | Milkman | Vermont |
| 33 | Bella B. Fastein | 34 | Wife | Broker | Maine |
| 34 | Barry Fastein | 13 | Son | — | Massachusetts |
| 35 | Anita Fastein | 12 | Daughter | — | Massachusetts |
| 36 | David Fastein | 10 | Son | — | Massachusetts |
| 37 | George A. Aylward | 32 | Head | Chauffeur | Massachusetts |
| 38 | Sara E. Aylward | 30 | Wife | — | Canada French |
| 39 | George A. Aylward | 10 | Son | — | Massachusetts |
| 40 | Richard S. Aylward | 8 | Son | — | Massachusetts |
Pedigree Summary
Dorothy + 3 siblings
Gen 1 · 4 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)