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Anna Zimmerman — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Anna Zimmerman across the 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1918), then head of a 10-person household.
Age 12
b. ~1918
Female
Daughter
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Zimmerman |
| Given Name | Anna |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Germany |
| 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 | ~1918 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Anna | Age | Birth yr |
|---|---|---|---|---|
| August Zimmerman | Son | — | 7 | ~1923 |
| Joseph Zimmerman | Son | — | 1 | ~1929 |
| Herman Zimmerman | Head | — | 48 | ~1882 |
| Maria Zimmerman | Daughter | — | 17 | ~1913 |
| Dorothy Zimmerman | Daughter | — | 3 | ~1927 |
| Anna Zimmerman | Daughter | — | 12 | ~1918 |
| Helen Zimmerman | Spouse | — | 25 | ~1905 |
| Elizabeth Zimmerman | Daughter | — | 10 | ~1920 |
| Harvey Zimmerman | Son | — | 2 | ~1928 |
| Herman Zimmerman | Son | — | 14 | ~1916 |
Census Appearances
1930
Baltimore, Maryland
Daughter, age 12
Baltimore, Maryland · implied b. ~1918 — 10 household members
| Surname | Zimmerman |
| Given Name | Anna |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Germany |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Daughter, age 22
Baltimore-City-County, Maryland · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Zimmerman |
| Given Name | Alma A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Saleslady |
| Industry | Bakery |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 780 |
| Highest Grade | Hs 4 |
| 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 Anna Zimmerman across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Anna Zimmerman
Daughter · 1930 · age 12 · b. ~1918 · Maryland
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Sibling
August Zimmerman
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Zimmerman
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herman Zimmerman
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Zimmerman
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maria Zimmerman
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Zimmerman
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harvey Zimmerman
Sibling · 1930 · age 2
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
44 people indexed on this census page (ia:1930:15thcensus868unit:0101)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles C Harryman | 58 | Head | Florist | Maryland |
| 2 | Mary Harryman | 46 | Wife | — | Maryland |
| 3 | Marie Harryman | 14 | Daughter | — | Maryland |
| 4 | Charles Ulrich | 71 | Head | Laborer | Maryland |
| 5 | Bertha Ulrich | 70 | Wife | — | Germany |
| 6 | August F Ulrich | 40 | Head | Laborer | Maryland |
| 7 | Sophia Ulrich | 32 | Wife | — | Maryland |
| 8 | Bertha Ulrich | 12 | Daughter | — | Maryland |
| 9 | August F Ulrich | 9 | Son | — | Maryland |
| 10 | Mildred Ulrich | 1 | Daughter | — | Maryland |
| 11 | Louis W Gould | 73 | Head | Upholsterer | New York |
| 12 | Sophia Gould | 74 | Wife | — | Maryland |
| 13 | Fred Gould | 32 | Son | Laborer | Maryland |
| 14 | James Boblitz | 36 | Head | Chauffeur | Maryland |
| 15 | Gussie Boblitz | 36 | Wife | — | Maryland |
| 16 | Bettie Boblitz | 11 | Daughter | — | Maryland |
| 17 | Chris Ingram | 28 | Head | Machinist | Germany |
| 18 | Hilda Ingram | 25 | Wife | — | Maryland |
| 19 | Herman Ingram | 2 | Son | — | Maryland |
| 20 | Herman Zimmerman | 48 | Head | Florist | Germany |
| 21 | Helen Zimmerman | 25 | Wife | — | Germany |
| 22 | Dorothy Zimmerman | 3 | Daughter | — | Maryland |
| 23 | Harvey Zimmerman | 2 | Son | — | Maryland |
| 24 | Joseph Zimmerman | 1 | Son | — | Maryland |
| 25 | Maria Zimmerman | 17 | Daughter | Laborer | Maryland |
| 26 | Herman Zimmerman | 14 | Son | — | Maryland |
| 27 | Anna Zimmerman THIS PERSON | 12 | Daughter | — | Maryland |
| 28 | Elizabeth Zimmerman | 10 | Daughter | — | Maryland |
| 29 | August Zimmerman | 7 | Son | — | Maryland |
| 30 | Alvin L Eckhart | 44 | Head | Machinist | Maryland |
| 31 | Agnes Eckhart | 42 | Wife | — | Maryland |
| 32 | Alvin J Eckhart | 16 | Son | — | Maryland |
| 33 | Matthew J Monohan | 55 | Head | Laborer | Pennsylvania |
| 34 | Agnes Monohan | 53 | Wife | — | Pennsylvania |
| 35 | James Monohan | 31 | Son | Welder | Pennsylvania |
| 36 | Kayola Monohan | 27 | Daughter-in-law | — | Pennsylvania |
| 37 | Sarah Monohan | 25 | Daughter | — | Pennsylvania |
| 38 | Mary Monohan | 21 | Daughter | — | Pennsylvania |
| 39 | Lillian Monohan | 19 | Daughter | — | Pennsylvania |
| 40 | Louis Shaut | 63 | Head | Huckster | Maryland |
| 41 | Minnie Shaut | 57 | Wife | — | Maryland |
| 42 | Lida Shaut | 22 | Daughter | — | Maryland |
| 43 | Albert Greif | 22 | Head | Enameler | Maryland |
| 44 | Ethel Greif | 20 | Wife | — | 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)