WM
Walter Murphy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Erie-County, New York
Our Model Tree links this Walter Murphy across the 1920, 1930 and 1940 US Censuses in Erie-County, New York (XGBoost, ~Confirmed), with identified parents Mary & Mary — first a son (b.~1908), then head of a 4-person household.
Age 32
b. ~1908
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Erie-County, New York |
| Surname | Murphy |
| Given Name | Walter, J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Buffalo City |
| 1935 Residence (County) | Erie |
| Additional Details | |
| Occupation | Physician |
| Industry | Private practice |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 4000 |
| Highest Grade | C 5 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Physician |
| Township / Ward | Buffalo City |
| Est. Birth Year | ~1908 |
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 Walter | Age | Birth yr |
|---|---|---|---|---|
| James Murphy | Son | — | 33 | ~1907 |
| Mary Murphy | Daughter | — | 26 | ~1914 |
| Walter Murphy | Son | — | 32 | ~1908 |
| Mary Murphy | Head | — | 54 | ~1886 |
Census Appearances
1920
Erie, New …
Son, age 13
Erie, New York · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Walter E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Erie, New …
Son, age 22
Erie, New York · implied b. ~1908 — 5 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 | 22 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Erie-County, New …
Son, age 32
Erie-County, New York · implied b. ~1908 — 4 household members
| Surname | Murphy |
| Given Name | Walter, J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Buffalo City |
| 1935 Residence (County) | Erie |
| Occupation | Physician |
| Industry | Private practice |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 4000 |
| Highest Grade | C 5 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Murphy (~0.92 confidence) and mother Mary Murphy (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Murphy
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Mary Murphy
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Walter Murphy
Son · 1940 · age 32 · b. ~1908 · New York
★ You are viewing this record
Sibling
James Murphy
Sibling · 1940 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Murphy
Sibling · 1940 · age 26
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 — Erie-County, New York
Open full size
1940 US Federal Census — Erie-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02838-00886)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John, Jr. Kerr | 18 | Head | — | Canada |
| 2 | William, H. Nye | 70 | Father-in-law | Watch Clerk | Canada |
| 3 | Mary Jane Nye | 65 | Mother-in-law | — | Canada |
| 4 | Walter, J. Roberts | 45 | Head | Private Chauffer | New York |
| 5 | La Rue Roberts | 41 | Wife | — | New York |
| 6 | Donald Roberts | 11 | Son | — | New York |
| 7 | Howard, A. Stape | 40 | Head | Civil Engineer | New York |
| 8 | Lois Stape | 31 | Wife | — | New York |
| 9 | Conrad M. Barthelmes | 71 | Head | — | New York |
| 10 | Nettie, C. Rowley | 85 | Sister | — | New York |
| 11 | Frances Clearwater | 53 | Servant | Housekeeper | New York |
| 12 | Mary, H. Murphy | 54 | Head | — | New York |
| 13 | James, A. Murphy | 33 | Son | Court Stenographer | New York |
| 14 | Walter, J. Murphy THIS PERSON | 32 | Son | Physician | New York |
| 15 | Mary, C. Murphy | 26 | Daughter | High School Teacher | New York |
| 16 | George, B. Wagner | 55 | Head | Purchasing Agent | Michigan |
| 17 | Frances Wagner | 55 | Wife | Chocolate Dipper | Canada |
| 18 | Madeline, E. C. Wagner | 30 | Daughter | Auditor | New York |
| 19 | James, J. Flood | 62 | Head | Mail Carrier | New York |
| 20 | Gertrude Flood | 56 | Wife | — | New York |
| 21 | Edward, J. Flood | 20 | Son | — | New York |
| 22 | Betty Ann Flood | 16 | Daughter | — | New York |
| 23 | Anna, M. O'Day | 58 | Sister-in-law | — | New York |
| 24 | Mary, A. Burke | 55 | Cousin | — | New York |
| 25 | Frank Thorpe | 56 | Head | Superintendent | New Jersey |
| 26 | Maude Thorpe | 59 | Sister | — | New Jersey |
| 27 | Irving, G. Shire | 30 | Head | Piano Instructor | New York |
| 28 | Esther Shire | 28 | Wife | — | New York |
| 29 | David Lee Shire | 2 | Son | — | New York |
| 30 | Rachel Steinberg | 53 | Mother-in-law | — | Austria |
| 31 | Charles Mitchnick | 57 | Head | Optometrist | New Jersey |
| 32 | Olga Mitchnick | 50 | Wife | — | Austria |
| 33 | Amy, A. Mitchnick | 30 | Daughter | Insurance Underwriter | New York |
| 34 | Carl, M. Mitchnick | 27 | Son | Truck Driver | New York |
| 35 | Reuben Atarsky | 45 | Head | Trucking | New York |
| 36 | Fanny Atarsky | 36 | Wife | — | New York |
| 37 | Harvey, B. Atarsky | 7 | Son | — | New York |
| 38 | George Newfiner | 66 | Head | Real Estate Broker | Massachusetts |
| 39 | Ada, M. Newfiner | 65 | Wife | — | England |
| 40 | Philip Newfiner | 29 | Son | Statistical Clerk | Massachusetts |
Pedigree Summary
Walter + 2 siblings
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)