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Gertrude Murphy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Gertrude Murphy across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Thomas & Thomas — 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 | Murphy |
| Given Name | Gertrude |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Malden city |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Assembler |
| Industry | Radio Factory |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 728 |
| Highest Grade | No H 2 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Assembler |
| Township / Ward | Malden 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 Gertrude | Age | Birth yr |
|---|---|---|---|---|
| Thomas Murphy | Head | — | 51 | ~1889 |
| Mary Murphy | Spouse | — | 49 | ~1891 |
| Gertrude Murphy | Daughter | — | 25 | ~1915 |
Census Appearances
1920
Middlesex, Massachusetts
Daughter, age 5
Middlesex, Massachusetts · implied b. ~1915 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Gertrude V. |
| 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 | Murphy |
| Given Name | Gertrude A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| 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 25
Middlesex-County, Massachusetts · implied b. ~1915 — 3 household members
| Surname | Murphy |
| Given Name | Gertrude |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Malden city |
| 1935 Residence (County) | Middlesex |
| Occupation | Assembler |
| Industry | Radio Factory |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 728 |
| Highest Grade | No H 2 |
| 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 Gertrude Murphy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Murphy (~0.92 confidence) and father Thomas Murphy (~0.92 confidence) and mother Mary Murphy (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Murphy
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Thomas Murphy
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Mary Murphy
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Gertrude Murphy
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-t0627-01608-00747)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Rodocan, Altoon Gelenian | 69 | Mother-in-law | — | Armenia |
| 42 | Mollie A. Kelliher | 66 | Head | — | Massachusetts |
| 43 | Mary Kelliher | 86 | Mother | — | Eire |
| 44 | R. Chilton Harris | 33 | Head | Presser | Massachusetts |
| 45 | Freda Harris | 32 | Wife | Chambermaid | Massachusetts |
| 46 | Dorothy M. Harris | 12 | Daughter | — | Massachusetts |
| 47 | Reginald J. Williams | 30 | Lodger | Presser | Tennessee |
| 48 | Abel J. Doucette | 41 | Head | Pipe Fitter | Canada-French |
| 49 | Margaret M. Doucette | 39 | Wife | — | Canada-French |
| 50 | Alberta M. Doucette | 19 | Daughter | Waitress | Massachusetts |
| 51 | Norma V. Doucette | 11 | Daughter | — | Massachusetts |
| 52 | Vincent Malpera | 66 | Head | — | Italy |
| 53 | Carmela Malpera | 61 | Wife | — | Italy |
| 54 | Guy Malpera | 39 | Son | — | Italy |
| 55 | Catherine Malpera | 20 | Daughter | New Worker | Massachusetts |
| 56 | Joseph Bimber | 50 | Head | Laborer | Massachusetts |
| 57 | Marie G. Bimber | 43 | Wife | — | Massachusetts |
| 58 | Ellen E. Buckley | 64 | Head | Silk Twister | Massachusetts |
| 59 | Thomas J. Murphy | 51 | Head | Assistant Shipper | Massachusetts |
| 60 | Mary E. Murphy | 49 | Wife | — | Massachusetts |
| 61 | Gertrude Murphy THIS PERSON | 25 | Daughter | Assembler | Massachusetts |
| 62 | — | None | — | — | — |
| 63 | Walter Derry | 40 | Head | Laborer | Massachusetts |
| 64 | Marjorie Derry | 38 | Wife | Presser | Nova Scotia |
| 65 | Walter E. Todd | 56 | Head | Laborer | Massachusetts |
| 66 | Maude M. Todd | 54 | Wife | — | Rhode Island |
| 67 | Frank W. Todd | 19 | Son | — | Massachusetts |
| 68 | Anna M. Mcclure | 33 | Head | Floor Lady | Massachusetts |
| 69 | Francis H. Mcclure | 13 | Son | — | Massachusetts |
| 70 | Carmen B. Bello | 41 | Brother | Barber | Massachusetts |
| 71 | Mary M. Bello | 30 | Sister | Packer | Massachusetts |
| 72 | Albert Bello | 23 | Brother | Barber | Massachusetts |
| 73 | George H. Bello | 21 | Brother | Assembler | Massachusetts |
| 74 | Emma M. Wagner | 32 | Head | — | Canada-English |
| 75 | Edward J. Wagner | 7 | Son | — | Massachusetts |
| 76 | Eileen K. Le Have | 36 | Head | Housework | Nova Scotia |
| 77 | Franklin A. Le Have | 18 | Son | Truck Driver | Massachusetts |
| 78 | Joseph A. Motto | 38 | Lodger | Painter | Italy |
| 79 | Joseph A. Jr. Motto | 14 | Lodger-son | — | Massachusetts |
| 80 | Frank Rogers | 34 | Head | Automobile Mechanic | Portugal |
Pedigree Summary
Gertrude
Gen 1 · 3 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)