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Margaret Walker — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Margaret Walker across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Robert & Margaret — first a daughter (b.~1890), then head of a 3-person household.
Age 50
b. ~1890
Female
Daughter
Born: Scotland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Walker |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Single |
| Birthplace | Scotland |
| 1935 Residence (City) | Somerville City |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Telephone Operator |
| Industry | Tel Company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1000 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Telephone Operator |
| Township / Ward | Somerville City |
| Est. Birth Year | ~1890 |
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 |
|---|---|---|---|---|
| Helen Walker | Daughter | — | 48 | ~1892 |
| Margaret Walker | Daughter | — | 50 | ~1890 |
| Robert Walker | Head | — | 29 | ~1911 |
Census Appearances
1920
Middlesex, Massachusetts
Daughter, age 30
Middlesex, Massachusetts · implied b. ~1890 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walker |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Scotland |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Telephone Operator |
| Industry | Private Office |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | 1878 |
| Birth Country | Scotland |
| Year of Naturalization | 1871 |
| Birthplace (normalized) | scotland |
1930
Middlesex, Massachusetts
Daughter, age 42
Middlesex, Massachusetts · implied b. ~1888 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walker |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Single |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1890 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Operator |
| Industry | Telephone |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Middlesex-County, Massachusetts
Daughter, age 50
Middlesex-County, Massachusetts · implied b. ~1890 — 3 household members
| Surname | Walker |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Single |
| Birthplace | Scotland |
| 1935 Residence (City) | Somerville City |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Naturalized |
| Occupation | Telephone Operator |
| Industry | Tel Company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1000 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Walker across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Robert Walker (~0.92 confidence) and mother Margaret Walker (~0.92 confidence) and mother Margaret Walker (~0.92 confidence) and father Robert Walker (~0.50 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.82
Father
Robert Walker
b. ~1861
Source father
● Household
· direct · ~0.92
Mother
Margaret Walker
b. ~1866
Source mother
● Household
· direct · ~0.92
Mother
Margaret Walker
b. ~1866
Source mother
● Household
· direct · ~0.92
Father
Robert Walker
b. ~1911
Source father
● Household
· direct · ~0.5
This person
Anchor record
Margaret Walker
Daughter · 1940 · age 50 · b. ~1890 · Massachusetts
★ You are viewing this record
Sibling
Helen Walker
Sibling · 1940 · age 48
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-t0627-01705-00392)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Mccann | 74 | Head | Freight Handler | Northern Ireland |
| 2 | Mary Mccann | 45 | Daughter | — | Massachusetts |
| 3 | Joseph Mccann | 39 | Son | Coal Bagger | Massachusetts |
| 4 | Joseph M. Haliburton | 43 | Head | Elevator Operator | New Hampshire |
| 5 | Ellen Haliburton | 55 | Wife | — | Massachusetts |
| 6 | Claire Ann Haliburton | 2 | Daughter | — | Massachusetts |
| 7 | Robert J. Haliburton | 1 | Son | — | Massachusetts |
| 8 | Harold Geddes | 40 | Head | Service Supervisor | Connecticut |
| 9 | Ruth Geddes | 43 | Wife | — | Massachusetts |
| 10 | Joan Geddes | 5 | Daughter | — | Massachusetts |
| 11 | Nellie W. Geddes | 71 | Mother | — | Massachusetts |
| 12 | Robert F. Kepler | 29 | Head | Elevator Operator | Pennsylvania |
| 13 | Helen C. Kepler | 26 | Wife | Clerk | Massachusetts |
| 14 | Harry W. Roche | 42 | Head | Sergeant | Massachusetts |
| 15 | Geraldine V. Roche | 40 | Wife | — | Massachusetts |
| 16 | Harold J. Roche | 14 | Son | — | Massachusetts |
| 17 | Frederick W. Roche | 12 | Son | — | Massachusetts |
| 18 | Barbara F. Roche | 10 | Daughter | — | Massachusetts |
| 19 | Harrison G. Dodge | 37 | Head | Machine Salesman | Massachusetts |
| 20 | Marion Dodge | 34 | Wife | — | Massachusetts |
| 21 | Ruth Dodge | 9 | Daughter | — | Massachusetts |
| 22 | Albert Farber | 36 | Head | Building Commissioner | Massachusetts |
| 23 | Gertrude Farber | 36 | Wife | — | Massachusetts |
| 24 | Robert Farber | 10 | Son | — | Rhode Island |
| 25 | Ronald Farber | 5 | Son | — | Massachusetts |
| 26 | George Hutchinson | 23 | Head | Foreman | New Hampshire |
| 27 | Olie Hutchinson | 36 | Wife | Stitcher | Massachusetts |
| 28 | Mildred Hutchinson | 22 | Daughter | Secretary | Massachusetts |
| 29 | Ralph Garrett | 30 | Head | Alderman Photographer | Massachusetts |
| 30 | Alice S. Garrett | 57 | Mother | — | Massachusetts |
| 31 | Robert Walker | 29 | Head | Machinist Helper | Scotland |
| 32 | Margaret Walker THIS PERSON | 50 | Daughter | Telephone Operator | Scotland |
| 33 | Helen Walker | 48 | Daughter | Telephone Operator | New Hampshire |
| 34 | Fredrick Egan | 31 | Head | Registered Pharmacist | Massachusetts |
| 35 | Mary Egan | 31 | Wife | — | Pennsylvania |
| 36 | Paula Egan | 2 | Daughter | — | Massachusetts |
| 37 | Amanda Richmond | 53 | Mother-in-law | — | Pennsylvania |
| 38 | Gertrude Richmond | 22 | Sister-in-law | Bookkeeper | Pennsylvania |
| 39 | John Dunlop | 71 | Head | Machinist | Scotland |
| 40 | Elizabeth Dunlop | 73 | Wife | — | Scotland |
Pedigree Summary
Margaret + 1 sibling
Gen 1 · 4 parents
~0.81
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)