MH
Mary Heller — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Essex, Massachusetts
Our Model Tree links this Mary Heller across the 1910, 1920 and 1930 US Censuses in Essex, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1859), then head of a 5-person household.
Age 71
b. ~1859
Female
Spouse
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Essex, Massachusetts |
| Surname | Heller |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 71 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 22 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Marblehead Town |
| Est. Birth Year | ~1859 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| William Gray | Daughter | — | 46 | ~1884 |
| Mary Heller | Spouse | — | 71 | ~1859 |
| Doris Gray | Other | — | 20 | ~1910 |
| Nathaniel Heller | Head | — | 73 | ~1857 |
| William Gray | Other | — | 19 | ~1911 |
Census Appearances
1910
Essex, Massachusetts
Spouse, age 50
Essex, Massachusetts · implied b. ~1860 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hiller |
| Given Name | Mary L. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Maryland |
| Years Married | 1 |
| Children Born | 5 |
| Children Living | 2 |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Pennsylvania |
| Occupation | Dressmaker |
| Industry | Own account |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Essex, Massachusetts
Spouse, age 60
Essex, Massachusetts · implied b. ~1860 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hiller |
| Given Name | Mary L |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| 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
Essex, Massachusetts
Spouse, age 71
Essex, Massachusetts · implied b. ~1859 — 5 household members
| Surname | Heller |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 71 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 22 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| 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 (1910, 1920 and 1930) in Essex, Massachusetts, using XGBoost record linkage.
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This person
Anchor record
Mary Heller
Spouse · 1930 · age 71 · b. ~1859 · Massachusetts
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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 — Essex, Massachusetts
Open full size
1930 US Federal Census — Essex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel901:0108)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John S Patey | 69 | Head | Clerk | Massachusetts |
| 2 | Hattie E Patey | 66 | — | — | Massachusetts |
| 3 | Frank S Patey | 27 | Son | Salesman | Massachusetts |
| 4 | John S Winchester | 16 | Grandson | — | Massachusetts |
| 5 | Hattie S Winchester | 14 | Granddaughter | — | Massachusetts |
| 6 | Richard H Merriam | 44 | Head | Genealogist | Dist of Columbia |
| 7 | Alice S Merriam | 38 | Wife | — | Canada English |
| 8 | Helen S Merriam | 10 | Daughter | — | Canada English |
| 9 | William E Gulley | 65 | Head | — | Massachusetts |
| 10 | Abbie S Gulley | 58 | Sister | — | Massachusetts |
| 11 | Mary B Gulley | 76 | Aunt | — | Massachusetts |
| 12 | Nathaniel Heller | 73 | Head | Watchman | Massachusetts |
| 13 | Mary E Heller THIS PERSON | 71 | Wife | — | Maryland |
| 14 | William Gray | 46 | Daughter | Ironer | Massachusetts |
| 15 | Doris S Gray | 20 | Granddaughter | — | Massachusetts |
| 16 | William J Gray | 19 | Grandson | Chauffeur | Massachusetts |
| 17 | Benjamin Gardner | 49 | Head | Commercial Traveler | Massachusetts |
| 18 | Lydia S Gardner | 38 | Wife | — | Massachusetts |
| 19 | Ruth Gardner | 15 | Daughter | — | Massachusetts |
| 20 | Benjamin S Gardner | 14 | Son | — | Massachusetts |
| 21 | John H Gardner | 12 | Son | — | Massachusetts |
| 22 | Joseph Grady | 61 | Head | Cutter | Massachusetts |
| 23 | Mary E Grady | 45 | Wife | — | Newfoundland |
| 24 | Stephen Lovering | 47 | Head | Examiner | Massachusetts |
| 25 | Doris Lovering | 45 | Wife | — | England |
| 26 | Stephen Lovering | 10 | Son | — | Massachusetts |
| 27 | Barbara Lovering | 5 | Daughter | — | Massachusetts |
| 28 | Charles Lovering | 3 | Son | — | Massachusetts |
| 29 | Harry Hildreth | 60 | Head | — | Massachusetts |
| 30 | Mabel Hildreth | 56 | Wife | — | Massachusetts |
| 31 | Mildred Hildreth | 35 | Daughter | Saleslady | Massachusetts |
| 32 | Charles Taylor | 71 | Head | Police Officer | Canada English |
| 33 | Sarah H Taylor | 68 | Wife | — | Maine |
| 34 | Chas E Taylor | 16 | Grandson | — | Massachusetts |
| 35 | Elizabeth Fleet | 70 | Head | — | Massachusetts |
| 36 | Florence Fleet | 40 | Daughter | — | Massachusetts |
| 37 | Marjorie Fleet | 20 | Granddaughter | Hair Dresser | Massachusetts |
| 38 | Leonard Bartlett | 58 | Head | — | Massachusetts |
| 39 | Edith Bartlett | 32 | Daughter | Clerk | Massachusetts |
| 40 | Frank C Bartlett | 29 | Son | Driver | Massachusetts |
| 41 | William Pope | 67 | Head | Caretaker | Massachusetts |
| 42 | Ida Pope | 57 | Wife | — | Massachusetts |
| 43 | Sarah Pope | 24 | Daughter | Manager | Massachusetts |
| 44 | William J Pope | 21 | Son | Helper | Massachusetts |
| 45 | Mary F Glass | 53 | Head | — | Massachusetts |
| 46 | Emerson Glass | 30 | Son | Machinist | Massachusetts |
| 47 | Adeline Glass | 18 | Granddaughter | Clerk | Massachusetts |
| 48 | Emerson Glass | 1 | Son | — | Massachusetts |
| 49 | Sarah F Leher | 72 | Head | — | Massachusetts |
| 50 | Benjamin Leher | 61 | Brother | Gardener | Massachusetts |
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)