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Mary Mack — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Northampton-County, Pennsylvania
Our Model Tree links this Mary Mack across the 1920, 1930 and 1940 US Censuses in Northampton-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1868), then head of a 6-person household.
Age 72
b. ~1868
Female
Spouse
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Northampton-County, Pennsylvania |
| Surname | Mack |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 72 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Washington Township |
| 1935 Residence (County) | Northampton |
| Additional Details | |
| Highest Grade | 3 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Washington Township |
| Est. Birth Year | ~1868 |
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 |
|---|---|---|---|---|
| Olive Paddick Paddoch | Other | — | 21 | ~1919 |
| Alberta Mack | Daughter | — | 42 | ~1898 |
| Harold Paddick Paddoch | Other | — | 22 | ~1918 |
| Charles Mack | Head | — | 71 | ~1869 |
| Mary Mack | Spouse | — | 72 | ~1868 |
| Roy Paddick Paddoch | Other | — | ~1940 |
Census Appearances
1920
Northampton, Pennsylvania
Spouse, age 52
Northampton, Pennsylvania · implied b. ~1868 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mack |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Northampton, Pennsylvania
Spouse, age 62
Northampton, Pennsylvania · implied b. ~1868 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mack |
| Given Name | Mary J. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Age at First Marriage | 21 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Northampton-County, Pennsylvania
Spouse, age 72
Northampton-County, Pennsylvania · implied b. ~1868 — 6 household members
| Surname | Mack |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 72 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Washington Township |
| 1935 Residence (County) | Northampton |
| Highest Grade | 3 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 Mack 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 Mack
Spouse · 1940 · age 72 · b. ~1868 · 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 — Northampton-County, Pennsylvania
Open full size
1940 US Federal Census — Northampton-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03594-00347)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Samuel Kaeper | Kasper | 49 | Head | Steel Worker | Pennsylvania |
| 2 | Elsie Kaeper | Kasper | 46 | Wife | — | Pennsylvania |
| 3 | Fay Kaeper | Kasper | 20 | Daughter | — | Pennsylvania |
| 4 | Anna Franke | 68 | Mother-in-law | — | Pennsylvania |
| 5 | Charles F Mack | 71 | Head | Farmer | Pennsylvania |
| 6 | Mary Mack THIS PERSON | 72 | Wife | — | New Jersey |
| 7 | Alberta E Mack | 42 | Daughter | — | Pennsylvania |
| 8 | Harold M Paddick | Paddoch | 22 | Grandson | Farmer | Pennsylvania |
| 9 | Olive M Paddick | Paddoch | 21 | Granddaughter | — | Pennsylvania |
| 10 | Roy M Paddick | Paddoch | 0 | Grandson | — | Pennsylvania |
| 11 | Sigmund Davis | 57 | Head | Farmer | Hungary |
| 12 | Christina Davis | 58 | Wife | — | Hungary |
| 13 | William Davis | 13 | Son | — | Pennsylvania |
| 14 | Michael Pop | 70 | Lodger | — | Hungary |
| 15 | William Jr Hunsicker | 45 | Head | Labor | Pennsylvania |
| 16 | Florence Hunsicker | 46 | Wife | — | Pennsylvania |
| 17 | Stewart Shook | 62 | Brother-in-law | — | Pennsylvania |
| 18 | Edwin F Shook | 52 | Brother-in-law | Labor | Pennsylvania |
| 19 | Vincent Mack | 37 | Head | Attendant | Pennsylvania |
| 20 | Pauline Mack | 38 | Wife | Waitress | New Jersey |
| 21 | Margaret Kogelman | 23 | Sister-in-law | House Keeper | Pennsylvania |
| 22 | Clayton Mack | 31 | Head | Engineer | Pennsylvania |
| 23 | Florence Mack | 30 | Wife | — | Pennsylvania |
| 24 | Charlotte Mack | 8 | Daughter | — | Pennsylvania |
| 25 | Howard R Heller | 32 | Head | Knitter | Pennsylvania |
| 26 | Alice Heller | 28 | Wife | — | Pennsylvania |
| 27 | Marie Heller | 3 | Daughter | — | Pennsylvania |
| 28 | Arlington Peters | 9 | Nephew | — | Pennsylvania |
| 29 | Sherwood Peters | 8 | Nephew | — | Pennsylvania |
| 30 | Frank Worthly | Worthy | 44 | Head | Farmer | Pennsylvania |
| 31 | Emma Worthly | Worthy | 69 | Mother | — | Pennsylvania |
| 32 | Blanche Koons | 35 | Head | Glove Operator | Pennsylvania |
| 33 | Myrtle Koons | 16 | Daughter | — | Delaware |
| 34 | Frances Koons | 14 | Daughter | — | Delaware |
| 35 | Donald Koons | 12 | Son | Labor | Pennsylvania |
| 36 | Rowland Kauffman | 52 | Uncle | — | Pennsylvania |
| 37 | Oscar Smith | 56 | Head | Janitor | Pennsylvania |
| 38 | Sara Smith | 55 | Wife | — | Pennsylvania |
| 39 | Paul Smith | 24 | Son | Labor | Pennsylvania |
| 40 | Helen Smith | 18 | Daughter | — | 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)