SM
Sarah Murphy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Sarah Murphy across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1862), then head of a 2-person household.
Age 78
b. ~1862
Female
Head
Born: Pennsylvania
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Murphy |
| Given Name | Sarah E. |
| Relationship to Head | head |
| Sex | F |
| Color / Race | White |
| Age | 78 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Blawnox Borough |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | no |
| Industry | no |
| Class of Worker | no |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Blawnox Borough |
| Est. Birth Year | ~1862 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Sarah | Age | Birth yr |
|---|---|---|---|---|
| Sarah Murphy | Head | — | 78 | ~1862 |
| Harry Murphy | Son | — | 53 | ~1887 |
Census Appearances
1920
Allegheny, Pennsylvania
Spouse, age 56
Allegheny, Pennsylvania · implied b. ~1864 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Sadie A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Other, age 67
Allegheny, Pennsylvania · implied b. ~1863 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Sadie |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 24 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Head, age 78
Allegheny-County, Pennsylvania · implied b. ~1862 — 2 household members
| Surname | Murphy |
| Given Name | Sarah E. |
| Relationship to Head | head |
| Sex | F |
| Color / Race | White |
| Age | 78 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Blawnox Borough |
| 1935 Residence (County) | Allegheny |
| Occupation | no |
| Industry | no |
| Class of Worker | no |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Sarah Murphy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Sarah Murphy
Head · 1940 · age 78 · b. ~1862 · Pennsylvania
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03398-00033)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Doris Murphit | 16 | daughter | No | Pennsylvania |
| 42 | William T. Jr. Murphit | 11 | son | No | Pennsylvania |
| 43 | Sarah E. Murphy THIS PERSON | 78 | head | No | Pennsylvania |
| 44 | Harry A. Murphy | 53 | son | Laborer | Pennsylvania |
| 45 | Isaac J. Sutton | 21 | head | Laborer | Virginia |
| 46 | Julia A. Sutton | 23 | wife | No | Pennsylvania |
| 47 | Lacy Jr. Sutton | 1 | son | No | Pennsylvania |
| 48 | Joseph Landers | 28 | head | Laborer | Texas |
| 49 | Helen D. Landers | 19 | wife | No | West Virginia |
| 50 | Genevieve T. Byrne | 25 | head | File-Clerk | Pennsylvania |
| 51 | Gladys Z. Byrne | 23 | sister | File-Clerk | Pennsylvania |
| 52 | Catherine V. Byrne | 20 | sister | Stenographer | Pennsylvania |
| 53 | Mary Connelly | 70 | aunt | No | England |
| 54 | Ann Parker | 8 | niece | No | Pennsylvania |
| 55 | Katherine O. Miller | 57 | head | Dressmaker | Pennsylvania |
| 56 | Nellie Miller | 53 | sister | No | Pennsylvania |
| 57 | Joseph Panza | 45 | head | No | Italy |
| 58 | Mary Panza | 37 | wife | No | Pennsylvania |
| 59 | Peter Panza | 20 | son | Laborer | Pennsylvania |
| 60 | Mary Panza | 18 | daughter | House Work | Pennsylvania |
| 61 | James Panza | 17 | son | No | Pennsylvania |
| 62 | Joseph Panza | 14 | son | No | Pennsylvania |
| 63 | Theresa Panza | 11 | daughter | No | Pennsylvania |
| 64 | Anna Panza | 9 | daughter | No | Pennsylvania |
| 65 | Ernest Panza | 7 | son | No | Pennsylvania |
| 66 | Mary Panza | 76 | mother | No | Italy |
| 67 | Peter Fallucca | 27 | head | Laborer | Pennsylvania |
| 68 | Julia Fallucca | 22 | wife | No | Pennsylvania |
| 69 | Peter Jr. Fallucca | 2 | son | No | Pennsylvania |
| 70 | Carmelo Chitti | 55 | head | Labor Foreman | Italy |
| 71 | Rosa Chitti | 50 | wife | No | Italy |
| 72 | Joseph Chitti | 24 | son | Druggist | Pennsylvania |
| 73 | Dominic Chitti | 20 | son | New Worker | Pennsylvania |
| 74 | Yolanda Chitti | 15 | daughter | No | Pennsylvania |
| 75 | Helen Chitti | 13 | daughter | No | Pennsylvania |
| 76 | Vincenty Pacevicz | 48 | head | Laborer | Lithuania |
| 77 | Mary Pacevicz | 42 | wife | No | Poland |
| 78 | Julia Sidor | 22 | step daughter | New Worker | Pennsylvania |
| 79 | John Sidor | 21 | step son | New Worker | Pennsylvania |
| 80 | Walter Sidor | 20 | step son | New Worker | Pennsylvania |
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)