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Mary Walter — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Mary Walter across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 6-person household.
Age 19
b. ~1921
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Walter |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | Saleslady |
| Industry | Department Store |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 20 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Saleslady |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1921 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Walter | Daughter | — | 19 | ~1921 |
| Anna Walter | Daughter | — | 10 | ~1930 |
| Kathleen Walter | Daughter | — | 16 | ~1924 |
| Rosalie Walter | Daughter | — | 5 | ~1935 |
| Hugh Walter | Head | — | 50 | ~1890 |
| Catherine Walter | Spouse | — | 41 | ~1899 |
Census Appearances
1930
Philadelphia, Pennsylvania
Daughter, age 10
Philadelphia, Pennsylvania · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walter |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Daughter, age 19
Philadelphia-County, Pennsylvania · implied b. ~1921 — 6 household members
| Surname | Walter |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | Saleslady |
| Industry | Department Store |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 20 |
| Highest Grade | Hs 3 |
| 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 Mary Walter across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Walter
Daughter · 1940 · age 19 · b. ~1921 · Pennsylvania
★ You are viewing this record
Sibling
Rosalie Walter
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathleen Walter
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Walter
Sibling · 1940 · age 10
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 — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03708-00219)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jennie E. Mattern | 69 | Head | — | Pennsylvania |
| 42 | Nellie R. Mattern | 43 | Daughter | Teacher | Pennsylvania |
| 43 | Harry Myers | 75 | Lodger | — | Pennsylvania |
| 44 | Jenna B. Moody | 44 | Head | Accounting Clerk | Scotland |
| 45 | Mary Moody | 18 | Daughter | — | Pennsylvania |
| 46 | John Murray | 41 | Brother | Pipefitter | Scotland |
| 47 | Anthony Murray | 19 | Nephew | Waitress | Pennsylvania |
| 48 | Anna Brennan | 38 | Sister | Maid | Scotland |
| 49 | Andrew J. Smith | 56 | Head | Electrician | Pennsylvania |
| 50 | Clara B. Smith | 54 | Wife | — | Pennsylvania |
| 51 | Elwood S. Smith | 23 | Son | Electrician | Pennsylvania |
| 52 | Ruth Keichline | 63 | Head | — | Scotland |
| 53 | Annie Turner | 65 | Head | — | Pennsylvania |
| 54 | John B. Mull | 69 | Head | — | Pennsylvania |
| 55 | Sarah F. Mull | 66 | Wife | — | Pennsylvania |
| 56 | Ellwood F. Mull | 46 | Son | Maintenance Engineer | Pennsylvania |
| 57 | George B. Mull | 42 | Son | — | Pennsylvania |
| 58 | Hugh A. Walter | 50 | Head | Carpenter | Pennsylvania |
| 59 | Catherine Walter | 41 | Wife | Cleaning | Eire |
| 60 | Mary E. Walter THIS PERSON | 19 | Daughter | Saleslady | Pennsylvania |
| 61 | Kathleen B. Walter | 16 | Daughter | — | New Jersey |
| 62 | Anna M. Walter | 10 | Daughter | — | Pennsylvania |
| 63 | Rosalie A. Walter | 5 | Daughter | — | Pennsylvania |
| 64 | William J. Gibbons | 52 | Head | Carpenter | Pennsylvania |
| 65 | Mary Gibbons | 42 | Wife | — | Pennsylvania |
| 66 | William J. Gibbons | 22 | Son | Usher | Pennsylvania |
| 67 | Mary Gibbons | 19 | Daughter | Clerk | Pennsylvania |
| 68 | Florence Gibbons | 18 | Daughter | — | Pennsylvania |
| 69 | Joseph Gibbons | 17 | Son | Mail Alien | Pennsylvania |
| 70 | Francis Gibbons | 14 | Son | — | Pennsylvania |
| 71 | Elwood Gibbons | 12 | Son | — | Pennsylvania |
| 72 | Emma Gibbons | 10 | Daughter | — | Pennsylvania |
| 73 | Daniel Gibbons | 8 | Son | — | Pennsylvania |
| 74 | Catherine Gibbons | 7 | Daughter | — | Pennsylvania |
| 75 | Isabel Gibbons | 6 | Daughter | — | Pennsylvania |
| 76 | Robert Gibbons | 4 | Son | — | Pennsylvania |
| 77 | Charles Gibbons | 1 | Son | — | Pennsylvania |
| 78 | Anna Reid | 23 | Daughter | Saleslady | Pennsylvania |
| 79 | Louis M. Schiavo | 39 | Head | Paperhanger | Pennsylvania |
| 80 | Mary Schiavo | 33 | Wife | — | 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)