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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 Edward & Julia — first a spouse (b.~1897), then head of a 5-person household.
Age 43
b. ~1897
Female
Spouse
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Murphy |
| Given Name | Gertrude |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Cambridge City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Cambridge City |
| Est. Birth Year | ~1897 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Gertrude | Age | Birth yr |
|---|---|---|---|---|
| Gertrude Murphy | Spouse | — | 43 | ~1897 |
| John Murphy | Son | — | 8 | ~1932 |
| Joseph Murphy | Head | — | 46 | ~1894 |
| Barbara Murphy | Daughter | — | 12 | ~1928 |
| John Roach | Other | — | 90 | ~1850 |
Census Appearances
1920
Middlesex, Massachusetts
Daughter, age 22
Middlesex, Massachusetts · implied b. ~1898 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Gertrude |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Ireland |
| Occupation | Operator |
| Industry | Telephone Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Daughter, age 32
Middlesex, Massachusetts · implied b. ~1898 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Gertrude |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Bookkeeper |
| Industry | Telephone Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Spouse, age 43
Middlesex-County, Massachusetts · implied b. ~1897 — 5 household members
| Surname | Murphy |
| Given Name | Gertrude |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Cambridge City |
| 1935 Residence (County) | Middlesex |
| Highest Grade | H-4 |
| 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 Edward Murphy (~0.92 confidence) and mother Julia Murphy (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Murphy
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Julia Murphy
b. ~1865
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Gertrude Murphy
Spouse · 1940 · age 43 · b. ~1897 · 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-t0627-01685-00108)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nora O Hogan | 60 | Head | — | Erie |
| 2 | Clarence Hogan | 40 | Son | Clerk | Massachusetts |
| 3 | Peter J Murphy | 70 | Head | — | Erie |
| 4 | Catherine Murphy | 68 | Wife | — | Erie |
| 5 | Ethel Murphy | 35 | Daughter | Clerical | Massachusetts |
| 6 | Alfred Murphy | 33 | Son | Draftsman | Massachusetts |
| 7 | Gertrude Murphy | 27 | Daughter | — | Massachusetts |
| 8 | Mary Mcdonald | 37 | Daughter | — | Massachusetts |
| 9 | Joseph Mcdonald | 39 | Son-in-law | Truck Driver | Massachusetts |
| 10 | Charles Sherman | 55 | Head | Salesman | Massachusetts |
| 11 | Helen A Sherman | 45 | Wife | — | Massachusetts |
| 12 | George Sherman | 23 | Son | Clerk | Massachusetts |
| 13 | Charles Sherman | 21 | Son | — | Massachusetts |
| 14 | Over Estimated Number Of Persons | None | — | — | — |
| 15 | Over Estimated Number Of Persons | None | — | — | — |
| 16 | Edward Morrissey | 46 | Head | Truck Driver | Massachusetts |
| 17 | Ruth Morrissey | 39 | Wife | — | Massachusetts |
| 18 | Lawrence Morrissey | 21 | Son | Clerical | Massachusetts |
| 19 | Edward B Morrissey | 14 | Son | — | Massachusetts |
| 20 | Robert J Morrissey | 8 | Son | — | Massachusetts |
| 21 | Joseph Murphy | 46 | Head | C.P.A. | Massachusetts |
| 22 | Gertrude Murphy THIS PERSON | 43 | Wife | — | Massachusetts |
| 23 | Barbara Murphy | 12 | Daughter | — | Massachusetts |
| 24 | John J Murphy | 8 | Son | — | Massachusetts |
| 25 | John J Roach | 90 | Father-in-law | — | Erie |
| 26 | Francis Flynn | 58 | Head | Machinist | Massachusetts |
| 27 | Margaret Flynn | 55 | Wife | — | Massachusetts |
| 28 | Frances Flynn | 26 | Daughter | Clerical | Massachusetts |
| 29 | Robert F Flynn | 21 | Son | Machinist | Massachusetts |
| 30 | Marie Flynn | 17 | Daughter | — | Massachusetts |
| 31 | Mary Mahoney | 85 | Mother-in-law | — | Massachusetts |
| 32 | John Fenrick | 29 | Head | Stenographer | Massachusetts |
| 33 | Katherine Fenrick | 21 | Wife | — | Massachusetts |
| 34 | Anna Doherty | 63 | Mother-in-law | — | England |
| 35 | Ethel G Londer | 41 | Head | Maid | Massachusetts |
| 36 | Foster Londer | 18 | Son | Clerk | Massachusetts |
| 37 | Clair Londer | 15 | Daughter | — | Massachusetts |
| 38 | John F Carroll | 35 | Head | Clerk | Massachusetts |
| 39 | Frances Carroll | 39 | Sister | Clerk | Massachusetts |
| 40 | Mary E Carroll | 33 | Sister | Saleslady | Massachusetts |
Pedigree Summary
Gertrude
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)