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Joseph Murphy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Joseph Murphy across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents John & James — first a son (b.~1918), then head of a 4-person household.
Age 22
b. ~1918
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Murphy |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Cambridge |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | mangle operator |
| Industry | Dry goods |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1300 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Mangle Operator |
| Township / Ward | Cambridge |
| Est. Birth Year | ~1918 |
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 Joseph | Age | Birth yr |
|---|---|---|---|---|
| Marie Murphy | Daughter | — | 38 | ~1902 |
| William Murphy | Head | — | 65 | ~1875 |
| William Murphy | Son | — | 23 | ~1917 |
| Joseph Murphy | Son | — | 22 | ~1918 |
Census Appearances
1920
Worcester, Massachusetts
Son, age 1
Worcester, Massachusetts · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | Massachusetts |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Worcester, Massachusetts
Son, age 12
Worcester, Massachusetts · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| 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
Son, age 22
Middlesex-County, Massachusetts · implied b. ~1918 — 4 household members
| Surname | Murphy |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Cambridge |
| 1935 Residence (County) | Middlesex |
| Occupation | mangle operator |
| Industry | Dry goods |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1300 |
| Highest Grade | Hs 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 Joseph Murphy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Murphy (~0.92 confidence) and father James Murphy (~0.92 confidence) and father William Murphy (~0.92 confidence) and mother Helen Murphy (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Murphy
b. ~1858
Source father
● Household
· direct · ~0.92
Father
James Murphy
b. ~1874
Source father
● Household
· direct · ~0.92
Father
William Murphy
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Helen Murphy
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Murphy
Son · 1940 · age 22 · b. ~1918 · Massachusetts
★ You are viewing this record
Sibling
William Murphy
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Murphy
Sibling · 1940 · age 38
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
39 people indexed on this census page (nara:1940:m-t0627-01684-00373)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jeannette Hannon | 1 | Daughter | — | Massachusetts |
| 43 | Catherine Lozaruk | 53 | Head | H | Austria |
| 44 | Sophie Lozaruk | 23 | Daughter | Maid | Chicago |
| 45 | John T. Nolan | 31 | Head | — | Massachusetts |
| 46 | William E. Nolan | 30 | Son | Stock Clerk | Massachusetts |
| 47 | Joseph Walsh | 37 | Head | Shipping Clerk | Massachusetts |
| 48 | Virginia Walsh | 36 | Wife | H | Massachusetts |
| 49 | Mary Walsh | 5 | Daughter | — | Massachusetts |
| 50 | John Sherlock | 16 | Nephew | — | Massachusetts |
| 51 | Frank Daniels | 28 | Head | Carpenter | Massachusetts |
| 52 | Ann Daniels | 29 | Wife | H | Massachusetts |
| 53 | Frances Daniels | 7 | Daughter | — | Massachusetts |
| 54 | George Daniels | 1 | Son | — | Massachusetts |
| 55 | John O'Neil | 59 | Head | Cut Rubber | Eire |
| 56 | Helen O'Neil | 44 | Wife | H | Eire |
| 57 | Margaret O'Neil | 27 | Daughter | Counter Girl | Massachusetts |
| 58 | John F. O'Neil | 25 | Son | Wire Tester | Massachusetts |
| 59 | Mary O'Neil | 20 | Daughter | Counter Girl | Massachusetts |
| 60 | Eugene O'Neil | 19 | Son | New Worker | Massachusetts |
| 61 | Anna O'Neil | 17 | Daughter | H | Massachusetts |
| 62 | Edward O'Neil | 15 | Son | — | Massachusetts |
| 63 | Joseph O'Neil | 6 | Son | — | Massachusetts |
| 64 | Patricia O'Neil | 5 | Daughter | — | Massachusetts |
| 65 | Martha O'Neil | 3 | Daughter | — | Massachusetts |
| 66 | William O'Keefe | 56 | Head | Laborer | Massachusetts |
| 67 | Elizabeth O'Keefe | 58 | Wife | H | Massachusetts |
| 68 | William Murphy | 65 | Head | Ot | Eire |
| 69 | Marie Murphy | 38 | Daughter | H | Massachusetts |
| 70 | William S. Murphy | 23 | Son | Office Work | Massachusetts |
| 71 | Joseph Murphy THIS PERSON | 22 | Son | Mangle Operator | Massachusetts |
| 72 | Anne Mallon | 79 | Head | H | Northern Ireland |
| 73 | John Mallon | 38 | Son | Store Keeper | Massachusetts |
| 74 | Mary Barrett | 39 | Daughter | Truck Driver | Massachusetts |
| 75 | Ellen O'Brien | 77 | Head | H | Eire |
| 76 | Veronica O'Brien | 49 | Daughter | Sorting Clothing | Massachusetts |
| 77 | Vincent O'Brien | 25 | Son | Cab Driver | Massachusetts |
| 78 | Emma Benson | 55 | Head | H | Canada English |
| 79 | Carl Benson | 60 | Husband | U | Sweden |
| 80 | John Benson | 23 | Son | Electric Switchboard | Massachusetts |
Related Census Records
Pedigree Summary
Joseph + 2 siblings
Gen 1 · 4 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)