MH
Mary Heller — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Armstrong-County, Pennsylvania
Our Model Tree links this Mary Heller across the 1930 and 1940 US Censuses in Armstrong-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 6-person household.
Age 11
b. ~1929
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Armstrong-County, Pennsylvania |
| Surname | Heller |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Armstrong |
| Additional Details | |
| Highest Grade | 5 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Red Bank |
| Est. Birth Year | ~1929 |
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 |
|---|---|---|---|---|
| Joseph Heller | Son | — | 3 | ~1937 |
| Mary Heller | Daughter | — | 11 | ~1929 |
| Charles Heller | Head | — | 39 | ~1901 |
| Donald Heller | Son | — | 8 | ~1932 |
| Grace Heller | Daughter | — | 13 | ~1927 |
| Pansy Heller | Spouse | — | 45 | ~1895 |
Census Appearances
1930
Armstrong, Pennsylvania
Daughter, age 2
Armstrong, Pennsylvania · implied b. ~1928 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Heller |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Armstrong-County, Pennsylvania
Daughter, age 11
Armstrong-County, Pennsylvania · implied b. ~1929 — 6 household members
| Surname | Heller |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Armstrong |
| Highest Grade | 5 |
| 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 Heller across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Heller
Daughter · 1940 · age 11 · b. ~1929 · Pennsylvania
★ You are viewing this record
Sibling
Donald Heller
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Grace Heller
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Heller
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Armstrong-County, Pennsylvania
Open full size
1940 US Federal Census — Armstrong-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03424-00487)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Marylin E. Brovious | 0 | Son | — | Pennsylvania |
| 42 | John H. Yount | 73 | Head | Operator | Pennsylvania |
| 43 | Olive C. Yount | 67 | Wife | — | Pennsylvania |
| 44 | Alvie E. Shick | 47 | Head | Operator | Pennsylvania |
| 45 | Luella E. Shick | 43 | Wife | — | Pennsylvania |
| 46 | Alvie E. Jr. Shick | 18 | Son | Driver | Pennsylvania |
| 47 | James J. Shick | 13 | Son | — | Pennsylvania |
| 48 | Edward E. Shick | 12 | Son | — | Pennsylvania |
| 49 | Betty J. Shick | 10 | Daughter | — | Pennsylvania |
| 50 | Fred R. Shick | 7 | Son | — | Pennsylvania |
| 51 | Earl E. Shick | 4 | Son | — | Pennsylvania |
| 52 | John L. Shick | 1 | Son | — | Pennsylvania |
| 53 | Conrad W. Geist | 59 | Head | Operator | Pennsylvania |
| 54 | Leona L. Geist | 58 | Wife | — | Pennsylvania |
| 55 | Wayne H. Geist | 23 | Son | Laborer | Pennsylvania |
| 56 | Daniel Geist | 87 | Father | — | Pennsylvania |
| 57 | George W. Mitchell | 73 | Head | Operator | Pennsylvania |
| 58 | Frank W. Mitchell | 64 | Brother | Laborer | Pennsylvania |
| 59 | Charles A. Heller | 39 | Head | Operator | Pennsylvania |
| 60 | Pansy M. Heller | 45 | Wife | — | Pennsylvania |
| 61 | Grace Heller | 13 | Daughter | — | Pennsylvania |
| 62 | Mary A. Heller THIS PERSON | 11 | Daughter | — | Pennsylvania |
| 63 | Donald L. Heller | 8 | Son | — | Pennsylvania |
| 64 | Joseph E. Heller | 3 | Son | — | Pennsylvania |
| 65 | Curtis E. Gruber | 56 | Head | Operator | Pennsylvania |
| 66 | Archie S. Gruber | 19 | Son | Laborer | Pennsylvania |
| 67 | Dorothy E. Gruber | 16 | Daughter | — | Pennsylvania |
| 68 | Grace L. Gruber | 13 | Daughter | — | Pennsylvania |
| 69 | Bobby J. Gruber | 12 | Son | — | Pennsylvania |
| 70 | Harry W. Miller | 28 | Son-in-law | Miner | Pennsylvania |
| 71 | Florence L. Miller | 26 | Daughter | — | Pennsylvania |
| 72 | Calvin E. Wise | 53 | Head | Operator | Pennsylvania |
| 73 | Lottie E. Wise | 54 | Wife | — | Pennsylvania |
| 74 | William P. Mowrey | 70 | Head | Joint Operator | Pennsylvania |
| 75 | Hattie Mowrey | 64 | Wife | — | Pennsylvania |
| 76 | Russel S. Smith | 42 | Son-in-law | Joint Operator | Pennsylvania |
| 77 | Edith P. Smith | 40 | Daughter | — | Pennsylvania |
| 78 | Geraldine Brovious | 18 | Granddaughter | — | Pennsylvania |
| 79 | Rodger Snyder | 15 | Boarder | — | Pennsylvania |
| 80 | Ralph E. Young | 29 | Head | Operator | 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)