MH
Mary Hill — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Mary Hill across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents William & William — first a head (b.~1916), then head of a 3-person household.
Age 24
b. ~1916
Female
Head
Born: Pennsylvania
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Hill |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 24 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | Dressmaking |
| Industry | Dress Shop |
| Class of Worker | PW |
| Hours Worked | 70 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Dressmaking |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1916 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Esther Hill | Daughter | — | 10 | ~1930 |
| Ruth Hill | Daughter | — | 11 | ~1929 |
| Mary Hill | Head | — | 24 | ~1916 |
Census Appearances
1920
Philadelphia, Pennsylvania
Daughter, age
Philadelphia, Pennsylvania · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hill |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
Daughter, age 11
Philadelphia, Pennsylvania · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hill |
| Given Name | Marie |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Head, age 24
Philadelphia-County, Pennsylvania · implied b. ~1916 — 3 household members
| Surname | Hill |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 24 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | Dressmaking |
| Industry | Dress Shop |
| Class of Worker | PW |
| Hours Worked | 70 |
| 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 Mary Hill across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Hill (~0.92 confidence) and father William Hill (~0.92 confidence) and mother Adelaide Hill (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Hill
b. ~1886
Source father
● Household
· direct · ~0.92
Father
William Hill
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Adelaide Hill
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Hill
Head · 1940 · age 24 · b. ~1916 · 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 — 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-t0627-03716-00240)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thelma D Johnson | 28 | Head | Domestic | Virginia |
| 2 | Frank Day | 31 | Lodger | Laborer | Georgia |
| 3 | Edward Feather | 24 | Head | Laborer | N. Carolina |
| 4 | Dorothy Feather | 20 | Wife | Domestic | N. Carolina |
| 5 | Mary Hill THIS PERSON | 24 | Head | Dressmaking | Pennsylvania |
| 6 | Ruth Hill | 11 | Daughter | — | Pennsylvania |
| 7 | Esther Hill | 10 | Daughter | — | Pennsylvania |
| 8 | Evelyn Woodland | 51 | Head | Domestic | Pennsylvania |
| 9 | Alfred S. Woodland | 63 | Lodger | Porter | Delaware |
| 10 | James Reed | 32 | Lodger | Messenger | New Jersey |
| 11 | Armenta Reed | 30 | Lodger | Domestic | Virginia |
| 12 | Carrie Hodges | 45 | Head | Caretaker | Georgia |
| 13 | Flossie Williams | 45 | Lodger | Waitress | Michigan |
| 14 | George Brown | 53 | Lodger | Waiter | Maryland |
| 15 | Ethel Thompson | 50 | Head | Domestic | Pennsylvania |
| 16 | Herman Williams | 61 | Lodger | Waiter | New Jersey |
| 17 | George Campbell | 44 | Lodger | Seamstress | Maryland |
| 18 | Charlie Campbell | 53 | Lodger | Porter | Georgia |
| 19 | William Hawkins | 62 | Lodger | Laborer | N. Carolina |
| 20 | Albert Willett | 62 | Lodger | Porter | N. Carolina |
| 21 | William Gray | 42 | Lodger | Waiter | Virginia |
| 22 | Laurence Holland | 51 | Lodger | Laborer | Maryland |
| 23 | Elizabeth Holland | 38 | Lodger | Sewing | W. Virginia |
| 24 | Evelyn Robinson | 26 | Lodger | Sewing | Pennsylvania |
| 25 | Isaac Russ | 26 | Head | Domestic | Virginia |
| 26 | Hattie Russ | 16 | Sister | News Worker | Virginia |
| 27 | Mary Smith | 44 | Head | Domestic | N. Carolina |
| 28 | Robert Moyas | 56 | Head | Laborer | S. Carolina |
| 29 | Hubert Ross | 38 | Head | Mechanic | S. Carolina |
| 30 | Lucille Ross | 40 | Wife | Domestic | S. Carolina |
| 31 | Horwood Edwards | 24 | Head | Laborer | S. Carolina |
| 32 | Bertha Edwards | 20 | Wife | Domestic | S. Carolina |
| 33 | Jerry Gilmore | 72 | Head | Buyer | Pennsylvania |
| 34 | Rose Spruyel | 63 | Head | Winder | Pennsylvania |
| 35 | Robert W. Remery | 55 | Head | Medical Dr. | Mississippi |
| 36 | Elizabeth Remery | 35 | Wife | Piece Maker | Pennsylvania |
| 37 | Majelle Remery | 25 | Daughter | Presser | Pennsylvania |
| 38 | Mary A. Remery | 80 | Mother | Domestic | Mississippi |
| 39 | Louise Fields | 50 | Head | Florist | Pennsylvania |
| 40 | Margaret Norman | 39 | Lodger | Domestic | Georgia |
Related Census Records
Pedigree Summary
Mary
Gen 1 · 3 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)