MR
Mary Ray — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Mary Ray across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents William & Margaret — first a daughter (b.~1917), then head of a 6-person household.
Age 23
b. ~1917
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Ray |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | Hairdresser |
| Industry | Beauty Parlor |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 334 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Hairdresser |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1917 |
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 Ray | Daughter | — | 23 | ~1917 |
| Catherine Ray | Daughter | — | 17 | ~1923 |
| Alexander Ray | Head | — | 50 | ~1890 |
| Edward Ray | Son | — | 13 | ~1927 |
| Michael Ray | Son | — | 21 | ~1919 |
| Mary Ray | Spouse | — | 47 | ~1893 |
Census Appearances
1920
Philadelphia, Pennsylvania
Daughter, age 3
Philadelphia, Pennsylvania · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ray |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Daughter, age 13
Philadelphia, Pennsylvania · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ray |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Daughter, age 23
Philadelphia-County, Pennsylvania · implied b. ~1917 — 6 household members
| Surname | Ray |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | Hairdresser |
| Industry | Beauty Parlor |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 334 |
| Highest Grade | H 1 |
| 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 Ray across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Ray (~0.92 confidence) and mother Margaret Ray (~0.92 confidence) and father Alexander Ray (~0.92 confidence) and mother Mary Ray (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Ray
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Margaret Ray
b. ~1887
Source mother
● Household
· direct · ~0.92
Father
Alexander Ray
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Mary Ray
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Ray
Daughter · 1940 · age 23 · b. ~1917 · Pennsylvania
★ You are viewing this record
Sibling
Catherine Ray
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Ray
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Michael Ray
Sibling · 1940 · age 21
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-t0627-03697-00818)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joseph Davidson | 16 | Son | — | Pennsylvania |
| 42 | Frank Mauer | 42 | Brother | Machinist | Pennsylvania |
| 43 | Minnie Plant | 54 | Head | — | Pennsylvania |
| 44 | John Diaprio | 65 | Head | Street Cleaner | Italy |
| 45 | Stephen Kopisz | 50 | Head | Kramer | Poland |
| 46 | Agnes Kopisz | 48 | Wife | Dyer | Poland |
| 47 | Laura Kopisz | 21 | Daughter | Examiner | Pennsylvania |
| 48 | Mary Kopisz | 20 | Daughter | Operator | Pennsylvania |
| 49 | Helen Kopisz | 18 | Daughter | — | Pennsylvania |
| 50 | John Kopisz | 16 | Son | — | Pennsylvania |
| 51 | Adam Lambreth | 49 | Head | Coppersmith | Hungary |
| 52 | Katherine Lambreth | 49 | Wife | — | Hungary |
| 53 | Nicholas Lambreth | 22 | Son | Iceman | Pennsylvania |
| 54 | John Lambreth | 12 | Son | — | Pennsylvania |
| 55 | Edward Jr. Westyk | 57 | Head | Operator | Pennsylvania |
| 56 | Edward Schmitt | 38 | Lodger | Electrician | Pennsylvania |
| 57 | Joseph Zagers | 39 | Head | Painter | Pennsylvania |
| 58 | Mildred Zagers | 36 | Wife | — | Pennsylvania |
| 59 | Joseph Jr. Zagers | 3 | Son | — | Pennsylvania |
| 60 | Dora V. Helen | 56 | Head | New Worker | Pennsylvania |
| 61 | Howard Provitt | 25 | Head | Laborer | Pennsylvania |
| 62 | Cecelia Provitt | 19 | Wife | — | Pennsylvania |
| 63 | Howard Jr. Provitt | 3 | Son | — | Pennsylvania |
| 64 | Mary Sederas | 36 | Head | Operator | Lithuania |
| 65 | Dolores Sederas | 14 | Daughter | — | Pennsylvania |
| 66 | Charles Sederas | 13 | Son | — | Pennsylvania |
| 67 | Mary Sederas | 11 | Daughter | — | Pennsylvania |
| 68 | Joseph Sederas | 8 | Son | — | Pennsylvania |
| 69 | Anna Wilis | 57 | Mother | — | Lithuania |
| 70 | Alexander Wilis | 28 | Brother | — | Pennsylvania |
| 71 | Alexander Ray | 50 | Head | Laborer | Poland |
| 72 | Mary Ray | 47 | Wife | Cleaner | Poland |
| 73 | Mary Ray THIS PERSON | 23 | Daughter | Hairdresser | Pennsylvania |
| 74 | Michael Ray | 21 | Son | Laborer | Pennsylvania |
| 75 | Catherine Ray | 17 | Daughter | — | Pennsylvania |
| 76 | Edward Ray | 13 | Son | — | Pennsylvania |
| 77 | Laslo Roner | 50 | Head | Gardener | Germany |
| 78 | Margaret Roner | 46 | Wife | Presser | Germany |
| 79 | Anna Lynch | 22 | Daughter | — | Pennsylvania |
| 80 | Edward Lynch | 23 | Son-in-law | Clerk | Pennsylvania |
Pedigree Summary
Mary + 3 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)