JM
John Murphy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this John Murphy across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1911), then head of a 7-person household.
Age 29
b. ~1911
Male
Son
Born: Rhode Island
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Murphy |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Maynard |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Carder |
| Industry | Woolen Mill |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 350 |
| Highest Grade | H 1 |
| 1935 Residence | Same House |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
| Occupation | Carder |
| Township / Ward | Maynard |
| Est. Birth Year | ~1911 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Barbara Murphy | Daughter | — | 14 | ~1926 |
| Eleanor Murphy | Daughter | — | 20 | ~1920 |
| Alice Murphy | Head | — | 58 | ~1882 |
| John Murphy | Son | — | 29 | ~1911 |
| Edward Murphy | Son | — | 31 | ~1909 |
| William Murphy | Son | — | 23 | ~1917 |
| Richard Murphy | Son | — | 25 | ~1915 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 9
Middlesex, Massachusetts · implied b. ~1911 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | John G |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Canada |
| Mother's Birthplace | Massachusetts |
| Speaks English | Yes |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1930
Middlesex, Massachusetts
Son, age 19
Middlesex, Massachusetts · implied b. ~1911 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | John H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Canada English |
| Mother's Birthplace | Massachusetts |
| Occupation | Truck Driver |
| Industry | Laundry |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1940
Middlesex-County, Massachusetts
Son, age 29
Middlesex-County, Massachusetts · implied b. ~1911 — 7 household members
| Surname | Murphy |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Maynard |
| 1935 Residence (County) | Middlesex |
| Occupation | Carder |
| Industry | Woolen Mill |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 350 |
| Highest Grade | H 1 |
| 1935 Residence | Same House |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
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 John 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 John Murphy (~0.92 confidence) and mother Alice Murphy (~0.92 confidence) and mother Alice Murphy (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Murphy
b. ~1880
Source father
● Household
· direct · ~0.92
Father
John Murphy
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Alice Murphy
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Alice Murphy
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Murphy
Son · 1940 · age 29 · b. ~1911 · Massachusetts
★ You are viewing this record
Sibling
Richard Murphy
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Murphy
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Murphy
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Murphy
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Murphy
Sibling · 1940 · age 14
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-t0627-01610-00472)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Beverly J. Priest | 7 | Grandchild | — | Massachusetts |
| 2 | Harrison G. Priest | 5 | Grandchild | — | Massachusetts |
| 3 | Sally E. Priest | 1 | Grandchild | — | Massachusetts |
| 4 | Merle E. Morse | 24 | Son-in-law | Watchman | Massachusetts |
| 5 | Helen Morse | 25 | Daughter | — | Massachusetts |
| 6 | Ivan Nelson | 39 | Head | Mechanic | Massachusetts |
| 7 | Emma Nelson | 35 | Wife | — | Massachusetts |
| 8 | Robert Nelson | 6 | Son | — | Massachusetts |
| 9 | Gordon Nelson | 4 | Son | — | Massachusetts |
| 10 | Thelma Nelson | 10 | Daughter | — | Massachusetts |
| 11 | Evelyn Whitney | 70 | Mother-in-law | — | Massachusetts |
| 12 | Alton V. Whitney | 45 | Head | Laborer | Massachusetts |
| 13 | Edith M. Whitney | 38 | Wife | — | Massachusetts |
| 14 | Joan Whitney | 8 | Daughter | — | Massachusetts |
| 15 | Robert Whitney | 5 | Son | — | Massachusetts |
| 16 | End Of Concord Street | None | — | — | — |
| 17 | Alice Murphy | 58 | Head | — | Massachusetts |
| 18 | Edward Murphy | 31 | Son | Presser | Rhode Island |
| 19 | John H. Murphy THIS PERSON | 29 | Son | Carder | Rhode Island |
| 20 | Richard Murphy | 25 | Son | New Worker | Massachusetts |
| 21 | William Murphy | 23 | Son | Clerk | Massachusetts |
| 22 | Eleanor Murphy | 20 | Daughter | Waitress | Massachusetts |
| 23 | Barbara Murphy | 14 | Daughter | — | Massachusetts |
| 24 | Bernard J. Statkus | 34 | Head | Weaver | Massachusetts |
| 25 | Eleanor Statkus | 33 | Wife | — | Massachusetts |
| 26 | June Statkus | 7 | Daughter | — | Massachusetts |
| 27 | Dorothy Statkus | 6 | Daughter | — | Massachusetts |
| 28 | Mary E. Martin | 71 | Head | — | New York |
| 29 | James Miller | 60 | Boarder | Dyer | Ireland |
| 30 | Joseph Martin | 75 | Boarder | — | Ireland |
| 31 | Harry Cook | 43 | Boarder | Presser | Maine |
| 32 | Ellen Nearing | 54 | Head | — | Canada English |
| 33 | Gertrude Nearing | 28 | Daughter | Clerk | Massachusetts |
| 34 | Howard Nearing | 25 | Son | — | Massachusetts |
| 35 | Albert Mccarthy | 41 | Head | — | Massachusetts |
| 36 | Rosemary Mccarthy | 40 | Wife | Hair Dresser | Massachusetts |
| 37 | Barbara Mccarthy | 15 | Daughter | — | Massachusetts |
| 38 | Helen Mccarthy | 14 | Daughter | — | Massachusetts |
| 39 | Michael Zapareski | 27 | Head | Police Man | Massachusetts |
| 40 | June Zapareski | 25 | Wife | — | Massachusetts |
Pedigree Summary
John + 5 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)