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Mary Arnold — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Northampton-County, Pennsylvania
Our Model Tree links this Mary Arnold across the 1920, 1930 and 1940 US Censuses in Northampton-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1867), then head of a 3-person household.
Age 73
b. ~1867
Female
Spouse
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Northampton-County, Pennsylvania |
| Surname | Arnold |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 73 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Bethlehem City |
| 1935 Residence (County) | Northampton |
| Additional Details | |
| Highest Grade | 3 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Bethlehem City |
| Est. Birth Year | ~1867 |
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 |
|---|---|---|---|---|
| Ada Smith | Daughter | — | 52 | ~1888 |
| Harvey Arnold | Head | — | 74 | ~1866 |
| Mary Arnold | Spouse | — | 73 | ~1867 |
Census Appearances
1920
Northampton, Pennsylvania
Spouse, age 50
Northampton, Pennsylvania · implied b. ~1870
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Arnold |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Northampton, Pennsylvania
Other, age 62
Northampton, Pennsylvania · implied b. ~1868 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Arnold |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 19 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Northampton-County, Pennsylvania
Spouse, age 73
Northampton-County, Pennsylvania · implied b. ~1867 — 3 household members
| Surname | Arnold |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 73 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Bethlehem City |
| 1935 Residence (County) | Northampton |
| Highest Grade | 3 |
| 1935 Residence | Pennsylvania |
| 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 Arnold across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Arnold
Spouse · 1940 · age 73 · b. ~1867 · 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
39 people indexed on this census page (nara:1940:m-t0627-03589-00661)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Francis Kuvatk | 14 | daughter | — | Pennsylvania |
| 42 | Hendrick Kuvatk | 8 | son | — | Pennsylvania |
| 43 | George Cekovich | 47 | Head | Store Keeper | Yugoslavia |
| 44 | Agnes Cekovich | 40 | wife | — | Yugoslavia |
| 45 | Julia Cekovich | 17 | daughter | — | Pennsylvania |
| 46 | George Jr. Cekovich | 12 | son | — | Pennsylvania |
| 47 | Paul Cekovich | 8 | son | — | Pennsylvania |
| 48 | Theodore Detter | 79 | Head | — | Pennsylvania |
| 49 | Hannah Detter | 74 | wife | — | Pennsylvania |
| 50 | Florence Detter | 48 | Head | Watchman | Pennsylvania |
| 51 | Arlene Detter | 25 | daughter | Clerk Typing | Pennsylvania |
| 52 | Russell Detter | 23 | son | Fireman | Pennsylvania |
| 53 | Mildred Detter | 21 | daughter | Packer | Pennsylvania |
| 54 | Richard Detter | 11 | son | — | Pennsylvania |
| 55 | Dorothy Miller | 18 | daughter | — | Pennsylvania |
| 57 | Anna Brobst | 71 | Head | — | Pennsylvania |
| 58 | Alfred De Long | 59 | Head | Blacksmith Helper | Pennsylvania |
| 59 | Vetta De Long | 69 | wife | — | Pennsylvania |
| 60 | Willard Hetrick | 48 | Wife's son | Crane Operator | Pennsylvania |
| 61 | Joanna Wagner | 72 | Head | Store Keeper | Germany |
| 62 | Harvey Arnold | 74 | Head | — | Pennsylvania |
| 63 | Mary Arnold THIS PERSON | 73 | wife | — | Pennsylvania |
| 64 | Ada Smith | 52 | daughter | Saleslady | Pennsylvania |
| 65 | Louis Baracskay | 53 | Head | Laborer | Hungary |
| 66 | Julia Baracskay | 51 | wife | — | Hungary |
| 67 | Joseph Baracskay | 21 | son | Helper (Steel) | Pennsylvania |
| 68 | Magdalena Smith | 54 | Head | — | Hungary |
| 69 | Mary Smith | 26 | daughter | Bookkeeper | Pennsylvania |
| 70 | Edward Smith | 20 | son | Truck Driver | Pennsylvania |
| 71 | Wendell Unger | 34 | Head | Machinist | Pennsylvania |
| 72 | Helen Unger | 27 | wife | — | Pennsylvania |
| 73 | Andrew Grabias | 45 | Head | Crane Operator | Poland |
| 74 | Julia Grabias | 32 | wife | — | Washington |
| 75 | Carl Grabias | 15 | son | — | Pennsylvania |
| 76 | Florence Grabias | 5 | daughter | — | Pennsylvania |
| 77 | Sophia Grabias | 76 | mother | — | Poland |
| 78 | Alex Kubik | 48 | Head | Helper | Russia |
| 79 | Anna Kubik | 39 | wife | Store Keeper | Poland |
| 80 | Olga Kubik | 16 | 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)