MC
Mary Crawford — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Mary Crawford across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1895), then head of a 9-person household.
Age 45
b. ~1895
Female
Spouse
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Crawford |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Phila. |
| 1935 Residence (County) | Phila. |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Phila |
| Est. Birth Year | ~1895 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Kathryn Robbins | Daughter | — | 28 | ~1912 |
| Anna Crawford | Daughter | — | 21 | ~1919 |
| Marilyn Crawford | Daughter | — | 9 | ~1931 |
| Harry Crawford | Head | — | 49 | ~1891 |
| Ray Robbins | Other | — | 31 | ~1909 |
| Mary Robbins | Other | — | 5 | ~1935 |
| Andrew Crawford | Son | — | 26 | ~1914 |
| Harry Crawford | Son | — | 23 | ~1917 |
| Mary Crawford | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Philadelphia, Pennsylvania
Spouse, age 25
Philadelphia, Pennsylvania · implied b. ~1895 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Crawford |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Spouse, age 35
Philadelphia, Pennsylvania · implied b. ~1895 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Crawford |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 16 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Spouse, age 45
Philadelphia-County, Pennsylvania · implied b. ~1895 — 9 household members
| Surname | Crawford |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Phila. |
| 1935 Residence (County) | Phila. |
| Class of Worker | 0 |
| Hours Worked | 0 |
| 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 Crawford across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Crawford
Spouse · 1940 · age 45 · b. ~1895 · 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
39 people indexed on this census page (nara:1940:m-t0627-03723-00490)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 42 | Angelo Reale | 43 | Head | Owner | Italy |
| 43 | Jennie Reale | 42 | Wife | — | Pennsylvania |
| 44 | Rose Reale | 14 | Daughter | — | Pennsylvania |
| 45 | Rosalie Reale | 10 | Daughter | — | Pennsylvania |
| 46 | Felix Palma | 33 | Head | Tailor | Italy |
| 47 | Beatrice Palma | 29 | Wife | — | Pennsylvania |
| 48 | Joan Palma | 9 | Daughter | — | Pennsylvania |
| 49 | Filomena Palma | 54 | Mother | — | Italy |
| 50 | Joseph Tiannone | 39 | Head | Owner | Pennsylvania |
| 51 | Dora Tiannone | 38 | Wife | — | Pennsylvania |
| 52 | Mary Tiannone | 16 | Daughter | — | Pennsylvania |
| 53 | Pasquale Tiannone | 14 | Son | — | Pennsylvania |
| 54 | Nicholas Rambo | 53 | Head | Mechanic | Italy |
| 55 | Jean Rambo | 54 | Wife | — | Italy |
| 56 | Beatrice Rambo | 30 | Daughter | Buttonhole Maker | Pennsylvania |
| 57 | Mary Delmonico | 34 | Daughter | — | Pennsylvania |
| 58 | James Delmonico | 11 | Grandson | — | Pennsylvania |
| 59 | Dolores Delmonico | 7 | Granddaughter | — | Pennsylvania |
| 60 | Alford Rambo | 38 | Nephew | Mechanic | Pennsylvania |
| 61 | James Rambo | 14 | Nephew | — | Pennsylvania |
| 62 | Mario Melchiorre | 39 | Head | Furrier | Italy |
| 63 | Josephine Melchiorre | 34 | Wife | — | Pennsylvania |
| 64 | Julio Melchiorre | 14 | Son | — | Pennsylvania |
| 65 | John Melchiorre | 12 | Son | — | Pennsylvania |
| 66 | Theresa Agovino | 36 | Sister-in-law | Saleswoman | Pennsylvania |
| 67 | John Amitrano | 47 | Head | Foreman Tailor | Italy |
| 68 | Palmera Amitrano | 37 | Wife | — | New York |
| 69 | Theresa Amitrano | 15 | Daughter | — | New York |
| 70 | Marie Amitrano | 12 | Daughter | — | New York |
| 71 | Domenick Vitello | 74 | Father-in-law | — | Italy |
| 72 | Harry G. Crawford | 49 | Head | Barber | Pennsylvania |
| 73 | Mary E. Crawford THIS PERSON | 45 | Wife | — | Pennsylvania |
| 74 | Andrew Crawford | 26 | Son | Driver Salesman | Pennsylvania |
| 75 | Harry Crawford | 23 | Son | New Worker | Pennsylvania |
| 76 | Anna Crawford | 21 | Daughter | Hairdresser | Pennsylvania |
| 77 | Marilyn Crawford | 9 | Daughter | — | Pennsylvania |
| 78 | Ray H. Robbins | 31 | Son-in-law | Manager | Pennsylvania |
| 79 | Kathryn Robbins | 28 | Daughter | — | Pennsylvania |
| 80 | Mary Jane Robbins | 5 | Granddaughter | — | 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)