MH
Mary Heller — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Allegany, Maryland
Our Model Tree links this Mary Heller across the 1920, 1930 and 1940 US Censuses in Allegany, Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1873), then head of a 6-person household.
Age 57
b. ~1873
Female
Spouse
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegany, Maryland |
| Surname | Heller |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 20 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Cumberland City |
| Est. Birth Year | ~1873 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Lois Heller | Daughter | — | 11 | ~1919 |
| Mary Heller | Spouse | — | 57 | ~1873 |
| Jacob Bagent | Other | — | 78 | ~1852 |
| Ruth Heller | Daughter | — | 14 | ~1916 |
| L Heller | Head | — | 58 | ~1872 |
| Phyllis Heller | Daughter | — | 6 | ~1924 |
Census Appearances
1920
Allegany, Maryland
Spouse, age 46
Allegany, Maryland · implied b. ~1874 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hillier |
| Given Name | M. Hester |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Allegany, Maryland
Spouse, age 57
Allegany, Maryland · implied b. ~1873 — 6 household members
| Surname | Heller |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 20 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Allegany-County, Maryland
Head, age 68
Allegany-County, Maryland · implied b. ~1872 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Haller |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 68 |
| Marital Status | Widowed |
| Birthplace | Maryland |
| 1935 Residence (City) | Cumberland (City) |
| 1935 Residence (County) | Allegany |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Heller
Spouse · 1930 · age 57 · b. ~1873 · Maryland
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Allegany, Maryland
Open full size
1930 US Federal Census — Allegany, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus843unit:0327)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles H. Bowery | 15 | Son | — | Maryland |
| 2 | Harry C. Smith | 33 | Head | Electrician | Pennsylvania |
| 3 | Edith M. Smith | 31 | Wife | — | Maryland |
| 4 | Marvin H. Smith | 8 | Son | — | Maryland |
| 5 | John R. Smith | 52 | Head | Conductor | Pennsylvania |
| 6 | Nola L. Smith | 62 | Wife | — | Pennsylvania |
| 7 | Guy F. Smith | 33 | Son | Chauffeur | Pennsylvania |
| 8 | Alta M. Mader | 30 | Daughter | — | Pennsylvania |
| 9 | Guy F. Mader | 33 | Son-in-law | Commercial Traveler | Pennsylvania |
| 10 | Alta Smith | 5 | Grand Daughter | — | Pennsylvania |
| 11 | Ruby Moon | 21 | Servant | Servant | Maryland |
| 12 | L. D. Heller | 58 | Head | Division Supt. | Maryland |
| 13 | Mary E. Heller THIS PERSON | 57 | Wife | — | Maryland |
| 14 | Ruth L. Heller | 14 | Daughter | — | Maryland |
| 15 | Lois M. Heller | 11 | Daughter | — | Maryland |
| 16 | Phyllis I. Heller | 6 | Daughter | — | Maryland |
| 17 | Jacob H. Bagent | 78 | Lodger | — | Maryland |
| 18 | James E. Chappell | 53 | Head | Steward | Virginia |
| 19 | Lillian R. Chappell | 49 | Wife | — | Maryland |
| 20 | James Jr. Chappell | 30 | Son | Assistant Manager | Maryland |
| 21 | Mildred L. Chappell | 22 | Daughter | Saleslady | Maryland |
| 22 | Glen R. Chappell | 21 | Son | Waterman | Maryland |
| 23 | M. J. Jackson | 47 | Servant | Servant | Maryland |
| 24 | William E. Lohr | 28 | Head | Fireman | Maryland |
| 25 | Margaret E. Lohr | 27 | Wife | — | Maryland |
| 26 | Charlotte L. Lohr | 1 | Daughter | — | Maryland |
| 27 | Ida W. Beckman | 46 | Head | — | West Virginia |
| 28 | Helen M. Beckman | 24 | Daughter | Saleslady | West Virginia |
| 29 | E. Irene Beckman | 22 | Daughter | Shipping Clerk | West Virginia |
| 30 | Harriet H. Beckman | 20 | Daughter | — | Maryland |
| 31 | Kathryn I. Beckman | 6 | Grand Daughter | — | Maryland |
| 32 | Mary Beckman | 4 | Grand Daughter | — | Maryland |
| 33 | Nelson C. Canifield | 25 | Lodger | Stenographer | Maryland |
| 34 | Ralph L. Bennett | 24 | Lodger | Bookkeeper | Maryland |
| 35 | Richard P. Hilleary | 65 | Head | Undertaker | West Virginia |
| 36 | Ida M. Hilleary | 60 | Wife | — | Maryland |
| 37 | Grace Casson | 32 | Niece | — | Maryland |
| 38 | Conrad Jammer | 59 | Head | — | Maryland |
| 39 | Emma M. Jammer | 59 | Wife | — | West Virginia |
| 40 | Mary I. Jammer | 33 | Daughter | — | Maryland |
| 41 | Charles W. Keeler | 55 | Head | Collector | Virginia |
| 42 | Ella M. Keeler | 52 | Wife | — | West Virginia |
| 43 | Marvin W. Keeler | 26 | Son | Salesman | Virginia |
| 44 | Calvin S. Keeler | 23 | Son | Collector | Maryland |
| 45 | John H. Wheeler | 42 | Head | Retail Groc. | Pennsylvania |
| 46 | Marie D. Wheeler | 35 | Wife | — | Maryland |
| 47 | Virginia L. Wheeler | 13 | Daughter | — | Ohio |
| 48 | Andrew Sullivan | 38 | Head | Electrician | Pennsylvania |
| 49 | Elizabeth Sullivan | 36 | Wife | — | West Virginia |
| 50 | Marie E. Sullivan | 17 | Daughter | — | West Virginia |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)