MP
Mary Pace — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Mary Pace across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1918), then head of a 7-person household.
Age 22
b. ~1918
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Pace |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | Operator |
| Industry | Ladies shirt waist mfg |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 700 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Operator |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1918 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Anna Pace | Spouse | — | 45 | ~1895 |
| Dolores Pace | Daughter | — | 7 | ~1933 |
| Anna Pace | Daughter | — | 9 | ~1931 |
| Joseph Pace | Son | — | 20 | ~1920 |
| Mary Pace | Daughter | — | 22 | ~1918 |
| Julia Pace | Daughter | — | 17 | ~1923 |
| Domenic Pace | Head | — | 48 | ~1892 |
Census Appearances
1930
Philadelphia, Pennsylvania
Daughter, age 13
Philadelphia, Pennsylvania · implied b. ~1917 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pace |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Italy |
| Mother's Birthplace | Poland |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Daughter, age 22
Philadelphia-County, Pennsylvania · implied b. ~1918 — 7 household members
| Surname | Pace |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | Operator |
| Industry | Ladies shirt waist mfg |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 700 |
| Highest Grade | 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 Pace across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Pace
Daughter · 1940 · age 22 · b. ~1918 · Pennsylvania
★ You are viewing this record
Sibling
Joseph Pace
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Pace
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dolores Pace
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Julia Pace
Sibling · 1940 · age 17
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-t0627-03732-00931)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thelma Fileck | 25 | Daughter | Stenographer | Pennsylvania |
| 2 | Doris Fileck | 20 | Daughter | Stenographer | Pennsylvania |
| 3 | Robert Lingard | 54 | Head | Maintenance Man | Pennsylvania |
| 4 | Amy Lingard | 53 | Wife | — | Pennsylvania |
| 5 | Bridget Fitzpatrick | 46 | Head | — | Irish Free State |
| 6 | Catherine Fitzpatrick | 24 | Daughter | Secretary | Pennsylvania |
| 7 | John Fitzpatrick | 22 | Son | New Worker | Pennsylvania |
| 8 | James Fitzpatrick | 19 | Son | New Worker | Pennsylvania |
| 9 | Mary Fitzpatrick | 15 | Daughter | — | Pennsylvania |
| 10 | Margaret Fitzpatrick | 13 | Daughter | — | Pennsylvania |
| 11 | Helen Fitzpatrick | 11 | Daughter | — | Pennsylvania |
| 12 | Joseph Fitzpatrick | 5 | Son | — | Pennsylvania |
| 13 | Michael Mcclure | 30 | Head | Shipper | Irish Free State |
| 14 | Margaret Mcclure | 33 | Wife | — | Irish Free State |
| 15 | Helen Mcclure | 6 | Daughter | — | Pennsylvania |
| 16 | Patricia Mcclure | 3 | Daughter | — | Pennsylvania |
| 17 | William Mcclure | 2 | Son | — | Pennsylvania |
| 18 | William Doyle | 39 | Head | Carpenter | Newfoundland |
| 19 | Mary Doyle | 32 | Wife | — | Irish Free State |
| 20 | Margaret Doyle | 12 | Daughter | — | Pennsylvania |
| 21 | Alice Doyle | 11 | Daughter | — | Pennsylvania |
| 22 | Edward Doyle | 9 | Son | — | Pennsylvania |
| 23 | Charles Doyle | 8 | Son | — | Pennsylvania |
| 24 | Kathleen Doyle | 7 | Daughter | — | Pennsylvania |
| 25 | Rose Marie Doyle | 6 | Daughter | — | Pennsylvania |
| 26 | Helen Doyle | 5 | Daughter | — | Pennsylvania |
| 27 | Philomena Doyle | 2 | Daughter | — | Pennsylvania |
| 28 | William John Doyle | 1 | Son | — | Pennsylvania |
| 29 | James Doyle | 0 | Son | — | Pennsylvania |
| 30 | Francis Beacon | 50 | Head | Pressman | Pennsylvania |
| 31 | Rose Beacon | 48 | Wife | Wrapper | Pennsylvania |
| 32 | Catherine Beacon | 14 | Daughter | — | Pennsylvania |
| 33 | Amelia Whitbead | 69 | Head | — | Pennsylvania |
| 34 | Domenic Pace | 48 | Head | Laborer | Italy |
| 35 | Anna Pace | 45 | Wife | — | Italy |
| 36 | Mary Pace THIS PERSON | 22 | Daughter | Operator | Pennsylvania |
| 37 | Joseph Pace | 20 | Son | New Worker | Pennsylvania |
| 38 | Julia Pace | 17 | Daughter | New Worker | Pennsylvania |
| 39 | Anna Pace | 9 | Daughter | — | New Jersey |
| 40 | Dolores Pace | 7 | Daughter | — | New Jersey |
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)