MH
Mary Howard — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Delaware-County, Pennsylvania
Our Model Tree links this Mary Howard across the 1920, 1930 and 1940 US Censuses in Delaware-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1882), then head of a 3-person household.
Age 58
b. ~1882
Female
Spouse
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Pennsylvania |
| Surname | Howard |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Upper Chichester |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Upper Chichester |
| Est. Birth Year | ~1882 |
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 |
|---|---|---|---|---|
| Florence Weaver | Daughter | — | 28 | ~1912 |
| Ralph Howard | Head | — | 59 | ~1881 |
| Mary Howard | Spouse | — | 58 | ~1882 |
Census Appearances
1920
Delaware, Pennsylvania
Spouse, age 40
Delaware, Pennsylvania · implied b. ~1880 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Howard |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Delaware, Pennsylvania
Spouse, age 50
Delaware, Pennsylvania · implied b. ~1880 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Howard |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 31 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Delaware-County, Pennsylvania
Spouse, age 58
Delaware-County, Pennsylvania · implied b. ~1882 — 3 household members
| Surname | Howard |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Upper Chichester |
| 1935 Residence (County) | Delaware |
| 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 Howard across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Howard
Spouse · 1940 · age 58 · b. ~1882 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Delaware-County, Pennsylvania
Open full size
1940 US Federal Census — Delaware-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03496-00766)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dominico Preziuso | 44 | Head | Labor | Italy |
| 2 | Lucy Preziuso | 44 | Wife | — | Italy |
| 3 | Giovannina Preziuso | 17 | Daughter | — | Pennsylvania |
| 4 | Anielo Preziuso | 15 | Son | — | Pennsylvania |
| 5 | Elena Preziuso | 12 | Daughter | — | Pennsylvania |
| 6 | Giovanni Preziuso | 11 | Son | — | Pennsylvania |
| 7 | James Listi | 45 | Head | Gas Helper | Italy |
| 8 | Teresa Listi | 44 | Wife | — | Pennsylvania |
| 9 | Anthony Listi | 24 | Son | Labor | Pennsylvania |
| 10 | Ruth Listi | 23 | Daughter | Housekeeper | Pennsylvania |
| 11 | Frank Listi | 21 | Son | Welder Helper | Pennsylvania |
| 12 | John Listi | 20 | Son | New Worker | Pennsylvania |
| 13 | Joseph Listi | 15 | Son | — | Pennsylvania |
| 14 | James Jr Listi | 9 | Son | — | Pennsylvania |
| 15 | Anna Marie Listi | 4 | Daughter | — | Pennsylvania |
| 16 | Aaron Williamson | 25 | Head | Sandboy | Pennsylvania |
| 17 | Avis Williamson | 23 | Wife | — | Pennsylvania |
| 18 | Roger Williamson | 0 | Son | — | Pennsylvania |
| 19 | Norman Hobbs | 29 | Head | Helper | Delaware |
| 20 | Lorraine Hobbs | 20 | Wife | — | Maryland |
| 21 | William Kriger | 27 | Head | Rack Man | West Virginia |
| 22 | Grace Kriger | 23 | Wife | — | Pennsylvania |
| 23 | Gary Kriger | 4 | Son | — | Pennsylvania |
| 24 | Joan Kriger | 2 | Daughter | — | Pennsylvania |
| 25 | Ralph Howard | 59 | Head | Telegraph Operator | Pennsylvania |
| 26 | Mary Howard THIS PERSON | 58 | Wife | — | Pennsylvania |
| 27 | Florence Weaver | 28 | Daughter | — | Pennsylvania |
| 28 | John Imburgia | 24 | Head | Fireman | Pennsylvania |
| 29 | Mary Imburgia | 23 | Wife | — | Pennsylvania |
| 30 | Teresa Imburgia | 1 | Daughter | — | Pennsylvania |
| 31 | Frank L Howe | 63 | Head | Truck Driver | Maryland |
| 32 | Katie Howe | 62 | Wife | — | West Virginia |
| 33 | Richard Howe | 29 | Boarder | Labor | Pennsylvania |
| 34 | Earl Hart | 40 | Head | Labor | Pennsylvania |
| 35 | Helen Hart | 39 | Wife | — | Delaware |
| 36 | Mildred Hart | 6 | Daughter | — | Pennsylvania |
| 37 | Charles Norman | 55 | Head | Labor | Georgia |
| 38 | Blanch Norman | 51 | Wife | — | Maryland |
| 39 | James Shivers | 37 | Head | Labor | Maryland |
| 40 | Marion Shivers | 18 | 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)