GH
George Hartman — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this George Hartman across the 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 11-person household.
Age 11
b. ~1919
Male
Son
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Hartman |
| Given Name | George |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maryland |
| 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 | Election District 15 Part |
| Est. Birth Year | ~1919 |
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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to George | Age | Birth yr |
|---|---|---|---|---|
| George Hartman | Son | — | 11 | ~1919 |
| Anna Hartman | Spouse | — | 31 | ~1899 |
| Gilbert Hartman | Son | — | 2 | ~1928 |
| Anna Hartman | Daughter | — | 19 | ~1911 |
| Elizabeth Hartman | Daughter | — | 18 | ~1912 |
| William Hartman | Son | — | 8 | ~1922 |
| Gertrude Hartman | Daughter | — | 16 | ~1914 |
| George Hartman | Head | — | 45 | ~1885 |
| Barbara Hartman | Daughter | — | 21 | ~1909 |
| John Hartman | Son | — | 23 | ~1907 |
| Adam Hartman | Son | — | 14 | ~1916 |
Census Appearances
1930
Baltimore, Maryland
Son, age 11
Baltimore, Maryland · implied b. ~1919 — 11 household members
| Surname | Hartman |
| Given Name | George |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-County, Maryland
Head, age 21
Baltimore-County, Maryland · implied b. ~1919 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hartmann |
| Given Name | George Jr |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Essex pt |
| 1935 Residence (County) | Baltimore |
| Occupation | packer |
| Industry | crown, cork & seal |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 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 George Hartman across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
George Hartman
Son · 1930 · age 11 · b. ~1919 · Maryland
★ You are viewing this record
Sibling
Gertrude Hartman
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Hartman
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Hartman
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Hartman
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gilbert Hartman
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Adam Hartman
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Hartman
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Hartman
Sibling · 1930 · age 18
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
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:1930:15thcensus847unit:0622)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Garrett | 76 | Head | — | Maryland |
| 2 | Catherine Garrett | 53 | Wife | — | Maryland |
| 3 | James Garrett | 58 | Brother | Laborer | Maryland |
| 4 | John Newkirk | 70 | Boarder | — | Virginia |
| 5 | Charles Borneman | 38 | Head | Bricklayer | Maryland |
| 6 | Beatrice Borneman | 32 | Wife | — | Maryland |
| 7 | Dorothy Borneman | 11 | Daughter | — | Maryland |
| 8 | Dudley Borneman | 11 | Son | — | Maryland |
| 9 | Arvella Borneman | 13 | Daughter | — | Maryland |
| 10 | Charles Borneman | 9 | Son | — | Maryland |
| 11 | William Van Schoonhoven | 72 | Father-in-law | — | New York |
| 12 | Ignatius Dembeck | 34 | Head | Engineer | Germany |
| 13 | Leonard Dembeck | 16 | Son | — | Maryland |
| 14 | Andrew Dembeck | 14 | Son | — | Maryland |
| 15 | William Dembeck | 7 | Son | — | Maryland |
| 16 | Dorothy Dembeck | 6 | Daughter | — | Maryland |
| 17 | George Hartman | 45 | Head | Operator | Maryland |
| 18 | Anna Hartman | 31 | Wife | — | Maryland |
| 19 | John Hartman | 23 | Son | Laborer | Maryland |
| 20 | Barbara Hartman | 21 | Daughter | Sorter | Maryland |
| 21 | Anna Hartman | 19 | Daughter | Sorter | Maryland |
| 22 | Elizabeth Hartman | 18 | Daughter | Sorter | Maryland |
| 23 | Gertrude Hartman | 16 | Daughter | — | Maryland |
| 24 | Adam Hartman | 14 | Son | — | Maryland |
| 25 | George Hartman THIS PERSON | 11 | Son | — | Maryland |
| 26 | William Hartman | 8 | Son | — | Maryland |
| 27 | Gilbert Hartman | 2 | Son | — | Maryland |
| 28 | Daniel Busch | 55 | Head | — | Germany |
| 29 | Louisa Busch | 55 | Wife | — | Germany |
| 30 | Daniel Busch | 22 | Son | Painter | Maryland |
| 31 | William Busch | 18 | Son | Laborer | Maryland |
| 32 | Clarence Busch | 11 | Son | — | Maryland |
| 33 | James Busch | 9 | Son | — | Maryland |
| 34 | Andrew Chell | 41 | Head | Painter | Maryland |
| 35 | Johanna Chell | 37 | Wife | — | Maryland |
| 36 | Alice Chell | 21 | Daughter | Seamstress | Maryland |
| 37 | Roman Chell | 18 | Son | Errant Boy | Maryland |
| 38 | Catherine Chell | 13 | Daughter | — | Maryland |
| 39 | Simon Chell | 11 | Son | — | Maryland |
| 40 | Louise Chell | 10 | Daughter | — | Maryland |
| 41 | Mary Chell | 8 | Daughter | — | Maryland |
| 42 | Joseph Chell | 5 | Son | — | Maryland |
| 43 | Emil Thom | 40 | Head | Machinist | Maryland |
| 44 | Nellie Thom | 38 | Wife | — | Maryland |
| 45 | Catherine Thom | 17 | Daughter | Sales Girl | Maryland |
| 46 | Thelma Thom | 15 | Daughter | — | Michigan |
| 47 | Ruth Thom | 12 | Daughter | — | Maryland |
| 48 | Emil Thom | 9 | Son | — | Maryland |
| 49 | Teresa Thom | 78 | Mother | — | Germany |
| 50 | Henry Thom | 81 | Father | — | Germany |
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)