MP
Mary Parks — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cambria-County, Pennsylvania
Our Model Tree links this Mary Parks across the 1930 and 1940 US Censuses in Cambria-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1911), then head of a 6-person household.
Age 29
b. ~1911
Female
Spouse
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cambria-County, Pennsylvania |
| Surname | Parks |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Nanty Glo |
| 1935 Residence (County) | Cambria |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Nanty Glo |
| Est. Birth Year | ~1911 |
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 |
|---|---|---|---|---|
| Robert Parks | Son | — | 2 | ~1938 |
| John Parks | Son | — | 10 | ~1930 |
| Mary Parks | Daughter | — | 12 | ~1928 |
| Naomi Parks | Daughter | — | 2 | ~1938 |
| John Parks | Head | — | 34 | ~1906 |
| Mary Parks | Spouse | — | 29 | ~1911 |
Census Appearances
1930
Cambria, Pennsylvania
Other, age 19
Cambria, Pennsylvania · implied b. ~1911 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Park |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 16 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Scraper |
| Industry | Coal Mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Cambria-County, Pennsylvania
Spouse, age 29
Cambria-County, Pennsylvania · implied b. ~1911 — 6 household members
| Surname | Parks |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Nanty Glo |
| 1935 Residence (County) | Cambria |
| Income (1939) | 0 |
| 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 Parks across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Parks
Spouse · 1940 · age 29 · b. ~1911 · 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 — Cambria-County, Pennsylvania
Open full size
1940 US Federal Census — Cambria-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03456-00394)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Tangray Alivier | 71 | Head | — | France |
| 42 | Theresa Alivier | 57 | Wife | — | France |
| 43 | John Swizinski | 46 | Head | Laborer | Poland |
| 44 | Mary Swizinski | 37 | Wife | — | Pennsylvania |
| 45 | Stanley Swizinski | 13 | Son | — | Pennsylvania |
| 46 | William Swizinski | 9 | Son | — | Pennsylvania |
| 47 | Henry Dyson | 66 | Head | Miner | England |
| 48 | Anna Dyson | 61 | Wife | — | England |
| 49 | Anna Dyson | 35 | Daughter | — | Pennsylvania |
| 50 | Edward Dyson | 29 | Son | — | Pennsylvania |
| 51 | Lillian Dyson | 23 | Daughter | Operator | Pennsylvania |
| 52 | John Dyson | 21 | Son | Miner | Pennsylvania |
| 53 | Catherine Dyson | 18 | Daughter | — | Pennsylvania |
| 54 | Julius Drummerstein | 58 | Head | Miner | France |
| 55 | Julia Drummerstein | 52 | Wife | — | France |
| 56 | John Parks | 34 | Head | Miner | Pennsylvania |
| 57 | Mary Parks THIS PERSON | 29 | Wife | — | Pennsylvania |
| 58 | Mary Louise Parks | 12 | Daughter | — | Pennsylvania |
| 59 | John Edward Parks | 10 | Son | — | Pennsylvania |
| 60 | Robert Neil Parks | 2 | Son | — | Pennsylvania |
| 61 | Naomi Elsie Parks | 2 | Daughter | — | Pennsylvania |
| 62 | Mary Ann Mosby | 49 | Head | Clerk | Pennsylvania |
| 63 | Edward Joseph Mosby | 23 | Son | — | Pennsylvania |
| 64 | Clara Evelyn Mosby | 23 | Daughter | — | Pennsylvania |
| 65 | James L. Mosby | 15 | Son | — | Pennsylvania |
| 66 | Ezra Smith | 44 | Head | Miner | Pennsylvania |
| 67 | Leona Smith | 42 | Wife | — | Pennsylvania |
| 68 | Harry Smith | 24 | Son | Miner | Pennsylvania |
| 69 | Ruth Smith | 20 | Daughter | — | Pennsylvania |
| 70 | Mable Smith | 17 | Daughter | — | Pennsylvania |
| 71 | Alice Smith | 16 | Daughter | — | Pennsylvania |
| 72 | Madeline Smith | 13 | Daughter | — | Pennsylvania |
| 73 | Edward Davis | 56 | Head | Way Boss | Pennsylvania |
| 74 | Janet Davis | 53 | Wife | — | Pennsylvania |
| 75 | Ruth Davis | 28 | Wife | — | Pennsylvania |
| 76 | Barbara Ann Davis | 2 | Daughter | — | Pennsylvania |
| 77 | Crinson P. Davis | 26 | Head | — | Pennsylvania |
| 78 | William Davis | 21 | Son | Miner | Pennsylvania |
| 79 | Samuel Batala | 33 | Head | Miner | Pennsylvania |
| 80 | Rose Batala | 30 | 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)