RM
Ruth Murphy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Ruth Murphy across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Carlton & Francis — first a daughter (b.~1907), then head of a 4-person household.
Age 33
b. ~1907
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Murphy |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lexington |
| Additional Details | |
| Occupation | Asst. to Librarian |
| Industry | Historical Society |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 1080 |
| Highest Grade | No 8 |
| 1935 Residence | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Asst. To Librarian |
| Township / Ward | Boston City |
| Est. Birth Year | ~1907 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Ruth Murphy | Daughter | — | 33 | ~1907 |
| Gertrude Murphy | Spouse | — | 62 | ~1878 |
| James Murphy | Head | — | 65 | ~1875 |
| Phyllis Murphy | Daughter | — | 30 | ~1910 |
Census Appearances
1920
Suffolk, Massachusetts
Daughter, age 12
Suffolk, Massachusetts · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Ruth H |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Daughter, age 22
Suffolk, Massachusetts · implied b. ~1908 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Irish Free State |
| Occupation | Clerk |
| Industry | Municipal |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Daughter, age 33
Suffolk-County, Massachusetts · implied b. ~1907 — 4 household members
| Surname | Murphy |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lexington |
| Occupation | Asst. to Librarian |
| Industry | Historical Society |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 1080 |
| Highest Grade | No 8 |
| 1935 Residence | Massachusetts |
| 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 Ruth Murphy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Carlton Brett (~0.92 confidence) and father Francis Murphy (~0.92 confidence) and father James Murphy (~0.92 confidence) and mother Elizabeth Brett (~0.92 confidence) and mother Gertrude Murphy (~0.92 confidence) and mother Helena Murphy (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Carlton Brett
b. ~1872
Source father
● Household
· direct · ~0.92
Father
Francis Murphy
b. ~1875
Source father
● Household
· direct · ~0.92
Father
James Murphy
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Brett
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Gertrude Murphy
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Helena Murphy
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Murphy
Daughter · 1940 · age 33 · b. ~1907 · Massachusetts
★ You are viewing this record
Sibling
Phyllis Murphy
Sibling · 1940 · age 30
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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-01681-00873)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lennie E. Carlson | 40 | Head | Nurse | Massachusetts |
| 42 | Dagny O. Enerson | 32 | Lodger | Nurse | Rhode Island |
| 43 | Benjamin Porte | 42 | Head | Owner | Russia |
| 44 | Shirley Porte | 38 | Wife | — | Massachusetts |
| 45 | Elizabeth Fryer | 63 | Housekeeper | Housekeeper | Irish Free State |
| 46 | Charles J. Merna | 32 | Head | Chiropodist | Massachusetts |
| 47 | Lucille Merna | 31 | Wife | Bookkeeper | Connecticut |
| 48 | Anna T. Joss | 66 | Head | — | New Hampshire |
| 49 | Carolyn S. Tracy | 55 | Sister | — | New Hampshire |
| 50 | Barbara T. Joss | 34 | Daughter | Secretary | Philippine Islands |
| 51 | Virginia K. Joss | 33 | Daughter | Teacher | Massachusetts |
| 52 | Agnes F. Hanrahan | 68 | Sister | — | New York |
| 56 | James V. Murphy | 65 | Head | Mill Agent | Massachusetts |
| 57 | Gertrude Murphy | 62 | Wife | — | Massachusetts |
| 58 | Ruth Murphy THIS PERSON | 33 | Daughter | Asst. To Librarian | Massachusetts |
| 59 | Phyllis Murphy | 30 | Daughter | Asst. To Librarian | Massachusetts |
| 60 | Charlotte T. Blake | 69 | Head | — | Connecticut |
| 61 | Minnie R. Foster | 67 | Sister | — | Connecticut |
| 62 | Madeline Dyar | 59 | Head | Social Worker | Massachusetts |
| 63 | Sarah W. Dyar | 58 | Sister | — | Massachusetts |
| 64 | Warren Dyar | 54 | Sister | News Seller | Massachusetts |
| 65 | Roland Dickson | 40 | Head | Electrician | Massachusetts |
| 66 | Ottilia Dickson | 60 | Mother | — | Sweden |
| 67 | James Dempsey | 48 | Head | Director Public Relations | Massachusetts |
| 68 | Mary K. Dempsey | 49 | Wife | — | Massachusetts |
| 69 | Catherine B. Dempsey | 28 | Daughter | Billing Clerk | Massachusetts |
| 70 | Robert J. Dempsey | 20 | Son | — | Massachusetts |
| 71 | Abraham Gorodetzky | 35 | Head | Manager | Massachusetts |
| 72 | Gertrude Gorodetzky | 31 | Wife | — | Massachusetts |
| 73 | Joseph Levin | 38 | Brother-in-Law | Owner | Massachusetts |
| 74 | Jeannette Levin | 33 | Sister-in-Law | Secretary Typist | Massachusetts |
| 75 | Jack Polisner | 49 | Head | Salesman | Russia |
| 76 | Sadie Polisner | 46 | Wife | — | Massachusetts |
| 77 | Lee Polisner | 18 | Son | — | Massachusetts |
| 78 | Esther Safran | 48 | Sister | Milliner | Massachusetts |
| 79 | Selma Axelrod | 27 | Sister | Teacher | Massachusetts |
| 80 | Louis R. Paul | 40 | Head | Physician | Russia |
Pedigree Summary
Ruth + 1 sibling
Gen 1 · 6 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)