WM
Walter Murphy — 1930 US Census Record
Model Tree available1930 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this Walter Murphy across the 1910, 1920 and 1930 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1901), then head of a 5-person household.
Age 29
b. ~1901
Male
Son
Born: Massachusetts
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Suffolk, Massachusetts |
| Surname | Murphy |
| Given Name | Walter J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 26 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Maine |
| Additional Details | |
| Occupation | Commercial traveler |
| Industry | Coal |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Commercial Traveler |
| Township / Ward | Boston City |
| Est. Birth Year | ~1901 |
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 1930 census.
| Name | Relation to head | Relative to Walter | Age | Birth yr |
|---|---|---|---|---|
| John Murphy | Head | — | 72 | ~1858 |
| Arthur Murphy | Son | — | 22 | ~1908 |
| Walter Murphy | Son | — | 29 | ~1901 |
| Rose Murphy | Other | — | 60 | ~1870 |
| William Murphy | Son | — | 24 | ~1906 |
Census Appearances
1910
Suffolk, Massachusetts
Son, age 9
Suffolk, Massachusetts · implied b. ~1901 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Suffolk, Massachusetts
Son, age 20
Suffolk, Massachusetts · implied b. ~1900 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Walter J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| 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
Son, age 29
Suffolk, Massachusetts · implied b. ~1901 — 5 household members
| Surname | Murphy |
| Given Name | Walter J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 26 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Maine |
| Occupation | Commercial traveler |
| Industry | Coal |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 Walter Murphy across 3 US Census years (1910, 1920 and 1930) in Suffolk, Massachusetts, using XGBoost record linkage. Identified parents: father John Murphy (~0.92 confidence) and father John Murphy (~0.92 confidence) and mother Rose Murphy (~0.92 confidence) and father Jeremiah Murphy (~0.92 confidence) and mother Nellie Murphy (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Murphy
b. ~1858
Source father
● Household
· direct · ~0.92
Father
John Murphy
b. ~1860
Source father
● Household
· direct · ~0.92
Mother
Rose Murphy
b. ~1871
Source mother
● Household
· direct · ~0.92
Father
Jeremiah Murphy
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Nellie Murphy
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Walter Murphy
Son · 1930 · age 29 · b. ~1901 · Massachusetts
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Sibling
Arthur Murphy
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Murphy
Sibling · 1930 · age 24
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
1930 US Federal Census — Suffolk, Massachusetts
Open full size
1930 US Federal Census — Suffolk, Massachusetts
Page Contents
25 people indexed on this census page (ia:1930:massachusettscensus00reel953:0786)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mary O Choate | 17 | Daughter | None | Massachusetts |
| 52 | Francis X Choate | 11 | Son | None | Massachusetts |
| 53 | Paul V Choate | 4 | Son | None | Massachusetts |
| 54 | Julia Drummond | 81 | Boarder | None | Irish Free State |
| 55 | John J Murphy | 72 | Head | None | Massachusetts |
| 56 | Rose A Murphy | 60 | Wife-H | None | Maine |
| 57 | Walter J Murphy THIS PERSON | 29 | Son | Commercial Traveler | Massachusetts |
| 58 | Arthur G Murphy | 22 | Son | None | Massachusetts |
| 59 | William D Murphy | 24 | Son | None | Massachusetts |
| 60 | Howard T Lutz | 43 | Head | Auto Mechanic | Pennsylvania |
| 61 | Emma T Lutz | 43 | Wife-H | None | Pennsylvania |
| 62 | Howard T Lutz | 21 | Son | Piano Regulator | Pennsylvania |
| 63 | Robert J Lutz | 20 | Son | Auto Mechanic | Pennsylvania |
| 64 | Helen F Lutz | 12 | Daughter | None | Massachusetts |
| 65 | Gertrude B Lutz | 11 | Daughter | None | Massachusetts |
| 66 | Pedro Amador | 22 | Boarder | Piano Regulator | Mexico |
| 67 | Clara T Avrutik | 67 | Head | None | Germany |
| 68 | Helen M Avrutik | 30 | Daughter | Ass. Treasurer | Massachusetts |
| 69 | William D Batchelder | 47 | Head | Taxi Driver | Massachusetts |
| 70 | Mary J Batchelder | 43 | Wife-H | None | Massachusetts |
| 71 | Genevieve M Batchelder | 18 | Daughter | Stenographer | Massachusetts |
| 72 | Cecelia L Batchelder | 15 | Daughter | None | Massachusetts |
| 73 | Clare P Batchelder | 12 | Daughter | None | Massachusetts |
| 74 | Vincent J Batchelder | 9 | Son | None | Massachusetts |
| 75 | Gerard F Batchelder | 7 | Son | None | Massachusetts |
Pedigree Summary
Walter + 2 siblings
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)