MH
Mary Hess — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Mary Hess across the 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1892), then head of a 8-person household.
Age 38
b. ~1892
Female
Spouse
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Hess |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 24 |
| 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 | Baltimore City |
| Est. Birth Year | ~1892 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Anna Hess | Daughter | — | 2 | ~1928 |
| Margaret Hess | Daughter | — | 5 | ~1925 |
| Mary Hess | Daughter | — | 9 | ~1921 |
| Albert Hess | Head | — | 36 | ~1894 |
| Albert Hess | Son | — | 13 | ~1917 |
| John Hess | Son | — | 7 | ~1923 |
| William Hess | Son | — | 11 | ~1919 |
| Mary Hess | Spouse | — | 38 | ~1892 |
Census Appearances
1930
Baltimore, Maryland
Spouse, age 38
Baltimore, Maryland · implied b. ~1892 — 8 household members
| Surname | Hess |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 24 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Spouse, age 48
Baltimore-City-County, Maryland · implied b. ~1892 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hess |
| Given Name | Myrtle |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Owner |
| Industry | Confectionery |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 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 Hess across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Hess
Spouse · 1930 · age 38 · b. ~1892 · 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 — Baltimore, Maryland
Open full size
1930 US Federal Census — Baltimore, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus851unit:0410)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Albert Hess | 36 | Head | Fireman | Maryland |
| 52 | Mary Hess THIS PERSON | 38 | Wife | — | Maryland |
| 53 | Albert Hess | 13 | Son | — | Maryland |
| 54 | William Hess | 11 | Son | — | Maryland |
| 55 | Mary Hess | 9 | Daughter | — | Maryland |
| 56 | John Hess | 7 | Son | — | Maryland |
| 57 | Margaret Hess | 5 | Daughter | — | Maryland |
| 58 | Anna Hess | 2 | Daughter | — | Maryland |
| 59 | John Hess | 25 | Head | — | Maryland |
| 60 | Mary Hess | 25 | Wife | Saleswoman | Maryland |
| 61 | John Hess | 4 | Son | — | Maryland |
| 62 | William Hess | 1 | Son | — | Maryland |
| 63 | George Tittel | 65 | Head | Butcher | Germany |
| 64 | Mary Tittel | 62 | Wife | — | Germany |
| 65 | George Tittel | 34 | Son | Assistant | Maryland |
| 66 | John Tittel | 24 | Son | Butcher | Maryland |
| 67 | Mary Tittel | 18 | Daughter | Saleswoman | Maryland |
| 68 | Ruth Tittel | 15 | Daughter | Stock Girl | Maryland |
| 69 | Anna Tittel | 12 | Daughter | — | Maryland |
| 70 | John Iacoboni | 45 | Head | Cook & Baker | Italy |
| 71 | Mary Iacoboni | 41 | Wife | — | Italy |
| 72 | John Iacoboni | 20 | Son | Clerk | Maryland |
| 73 | Mary Iacoboni | 18 | Daughter | Stenographer | Maryland |
| 74 | Joseph Iacoboni | 16 | Son | — | Maryland |
| 75 | Leo Iacoboni | 12 | Son | — | Maryland |
| 76 | Anna Iacoboni | 10 | Daughter | — | Maryland |
| 77 | Margie Iacoboni | 5 | Daughter | — | Maryland |
| 78 | William Schuler | 58 | Head | Box Maker | Maryland |
| 79 | Mary Schuler | 58 | Wife | — | Maryland |
| 80 | William Schuler | 28 | Son | Book Keeper | Maryland |
| 81 | James Johnson | 31 | Head | Janitor | Maryland |
| 82 | Anna Johnson | 30 | Wife | Saleslady | Maryland |
| 83 | James Johnson | 8 | Son | — | Maryland |
| 84 | George Hepting | 63 | Head | — | Germany |
| 85 | Mary Hepting | 63 | Wife | — | Maryland |
| 86 | George Hepting | 28 | Son | — | Maryland |
| 87 | William Isaacs | 54 | Head | Sail Maker | Maryland |
| 88 | Jessie Isaacs | 55 | Wife | Seamstress | Maryland |
| 89 | William Isaacs | 17 | Son | — | Maryland |
| 90 | Robert Isaacs | 15 | Son | — | Maryland |
| 91 | Mary E. Garrison | 62 | Head | Seamstress | Virginia |
| 92 | William Garrison | 31 | Son | Circulation Clerk | Maryland |
| 93 | Lillian Garrison | 29 | Daughter | — | Maryland |
| 94 | Eugene Roche | 30 | Boarder | — | Maryland |
| 95 | Wilfred J. Hunt | 23 | Boarder | — | Maryland |
| 96 | Andrew Hunt | 21 | Boarder | — | Maryland |
| 97 | Louis Larsen | 52 | Head | Machinist | Norway |
| 98 | Louise Larsen | 51 | Wife | — | Germany |
| 99 | August Larsen | 31 | Head | Spray Painter | Maryland |
| 100 | Helen Larsen | 28 | Wife | Millinery Clerk | Maryland |
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)