MS
Margaret Shaw — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Margaret Shaw across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Frederick & Mabel — first a daughter (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Shaw |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Secretary |
| Industry | Boston Maine |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1400 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Secretary |
| Township / Ward | Medford City |
| Est. Birth Year | ~1915 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| Fred Shaw | Head | — | 59 | ~1881 |
| Margaret Shaw | Daughter | — | 25 | ~1915 |
| Mabel Shaw | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Middlesex, Massachusetts
Daughter, age 5
Middlesex, Massachusetts · implied b. ~1915 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shaw |
| Given Name | Margaret O. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Daughter, age 15
Middlesex, Massachusetts · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shaw |
| Given Name | Margaret O. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Daughter, age 25
Middlesex-County, Massachusetts · implied b. ~1915 — 3 household members
| Surname | Shaw |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford City |
| 1935 Residence (County) | Middlesex |
| Occupation | Secretary |
| Industry | Boston Maine |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1400 |
| Highest Grade | C 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 Margaret Shaw across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frederick Shaw (~0.92 confidence) and mother Mabel Shaw (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frederick Shaw
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Mabel Shaw
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Shaw
Daughter · 1940 · age 25 · b. ~1915 · 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-t0627-01611-00401)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Howard | 35 | Head | Teacher | New York |
| 2 | Mary O Howard | 34 | Wife | — | Massachusetts |
| 3 | Paul Howard | 10 | Son | — | Massachusetts |
| 4 | James Mugone | 53 | Head | Clerk | Massachusetts |
| 5 | Gertrude Mugone | 51 | Wife | — | Massachusetts |
| 6 | George J Stone | 34 | Head | Engineer | Maine |
| 7 | Jessie Stone | 32 | Wife | — | Maine |
| 8 | Manuel S Terra | 70 | Head | — | English Canada |
| 9 | Samuel G Sone | 70 | Head | — | Maine |
| 10 | Charles G Regali | 40 | Head | Shipper | Massachusetts |
| 11 | Sarah Regali | 38 | Wife | — | Massachusetts |
| 12 | Phyllis Regali | 16 | Daughter | — | Massachusetts |
| 13 | Thomas J Sinclair | 66 | Head | Artist | Massachusetts |
| 14 | Harriett Sinclair | 58 | Wife | — | Massachusetts |
| 15 | John Mcnamara | 50 | Head | Salesman | Massachusetts |
| 16 | Mary Mcnamara | 50 | Wife | — | Massachusetts |
| 17 | James Mcnamara | 20 | Son | — | Massachusetts |
| 18 | Bruce Mcnamara | 18 | Son | — | Massachusetts |
| 19 | Lizzie S Lowell | 64 | Head | — | Massachusetts |
| 20 | Fred Shaw | 59 | Head | Conductor | Massachusetts |
| 21 | Mabel O Shaw | 53 | Wife | — | Massachusetts |
| 22 | Margaret Shaw THIS PERSON | 25 | Daughter | Secretary | Massachusetts |
| 23 | Fred S Joyce | 57 | Head | Electrician | Chicago |
| 24 | Mabel Joyce | 60 | Wife | — | Massachusetts |
| 25 | George Henike | 34 | Head | Salesman | New York |
| 26 | Jessie A Henike | 42 | Wife | — | Massachusetts |
| 27 | Phyllis Henike | 21 | Daughter | — | Massachusetts |
| 28 | Marcia Henike | 16 | Daughter | — | Massachusetts |
| 29 | Elmer Fussman | 60 | Head | — | Massachusetts |
| 30 | Betty Fussman | 33 | Daughter | — | Massachusetts |
| 31 | Philip Miniclane | 75 | Head | — | Italy |
| 32 | Giovanna Miniclane | 67 | Wife | — | Italy |
| 33 | Matilda M Miniclane | 37 | Daughter | Dressmaker | Italy |
| 34 | Alfred Miniclane | 34 | Son | Clerk | Italy |
| 35 | Philip Miniclane | 28 | Son | Shipper | Italy |
| 36 | Attilio Miniclane | 25 | Son | Laborer | New York |
| 37 | Joseph Easbey | 60 | Head | Janitor | Virginia |
| 38 | Agnes Easbey | 63 | Wife | — | Pennsylvania |
| 39 | Jessie Easbey | 33 | Daughter | Laborer | Massachusetts |
| 40 | Frances Easbey | 27 | Daughter | News Dealer | Massachusetts |
Pedigree Summary
Margaret
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)