HZ
Harry Zimmerman — 1930 US Census Record
Model Tree available1930 United States Federal Census · Ramsey, Minnesota
Our Model Tree links this Harry Zimmerman across the 1900, 1910, 1920 and 1930 US Censuses in Ramsey, Minnesota (XGBoost, ~Confirmed), with identified parents Bernard & Conrad — first a head (b.~1886), then head of a 5-person household.
Age 44
b. ~1886
Male
Head
Born: Minnesota
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Ramsey, Minnesota |
| Surname | Zimmerman |
| Given Name | Harry B |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Age at First Marriage | 35 |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Additional Details | |
| Occupation | Physician Surgeon |
| Industry | Medical Practice |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 80 |
| Radio Set | R |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Physician Surgeon |
| Township / Ward | St Paul City |
| Est. Birth Year | ~1886 |
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 Harry | Age | Birth yr |
|---|---|---|---|---|
| Bernard Zimmerman | Son | — | 8 | ~1922 |
| Harry Zimmerman | Head | — | 44 | ~1886 |
| Nenif Zimmerman | Spouse | — | 32 | ~1898 |
| Matilda Haggi | Other | — | 59 | ~1871 |
| Sarah Zimmerman | Daughter | — | 6 | ~1924 |
Census Appearances
1900
Ramsey, Minnesota
Son, age 15
Ramsey, Minnesota · implied b. ~1885 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Zimmermann |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Birth Month | Oct |
| Birth Year | 1885 |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Occupation | Schoolboy |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1910
Ramsey, Minnesota
Son, age 24
Ramsey, Minnesota · implied b. ~1886 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Zimmerman |
| Given Name | Harry B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Occupation | Physician |
| Industry | Gen. Practice |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1920
Ramsey, Minnesota
Son, age 34
Ramsey, Minnesota · implied b. ~1886 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Zimmerman |
| Given Name | Harry S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Occupation | Surgeon |
| Industry | Own Practice |
| Class of Worker | Em |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Ramsey, Minnesota
Head, age 44
Ramsey, Minnesota · implied b. ~1886 — 5 household members
| Surname | Zimmerman |
| Given Name | Harry B |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Age at First Marriage | 35 |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Occupation | Physician Surgeon |
| Industry | Medical Practice |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 80 |
| Radio Set | R |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Harry Zimmerman across 4 US Census years (1900, 1910, 1920 and 1930) in Ramsey, Minnesota, using XGBoost record linkage. Identified parents: father Bernard Zimmerman (~0.92 confidence) and father Conrad Zimmerman (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Bernard Zimmerman
b. ~1857
Source father
● Household
· direct · ~0.92
Father
Conrad Zimmerman
b. ~1857
Source father
● Household
· direct · ~0.92
This person
Anchor record
Harry Zimmerman
Head · 1930 · age 44 · b. ~1886 · Minnesota
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Ramsey, Minnesota
Open full size
1930 US Federal Census — Ramsey, Minnesota
Page Contents
38 people indexed on this census page (ia:1930:minnesotacensus00reel1119:0177)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mayile Carlson | 18 | servant | Servant | Minnesota |
| 52 | Vera Carlson | 20 | servant | Servant | Minnesota |
| 53 | Frank N Pearson | 59 | Head | Bank Examiner | Minnesota |
| 54 | Anna Pearson | 50 | Wife | — | Pennsylvania |
| 55 | Dora Pearson | 32 | daughter | Librarian | Minnesota |
| 56 | Edward Loomis | 75 | father-in-law | — | Pennsylvania |
| 57 | James Dougher | 67 | Head | — | Maine |
| 58 | Matilda Dougher | 62 | Wife | — | Minnesota |
| 59 | Otto Dougher | 20 | Son | Salesman | Maine |
| 60 | Harry B Zimmerman THIS PERSON | 44 | Head | Physician Surgeon | Minnesota |
| 61 | Nenif R Zimmerman | 32 | Wife | — | Minnesota |
| 62 | Bernard B Zimmerman | 8 | son | — | Minnesota |
| 63 | Sarah P Zimmerman | 6 | daughter | — | Minnesota |
| 64 | Matilda Haggi | 59 | servant | Servant | Minnesota |
| 65 | Ryland Rothchild | 30 | Head | Proprietor | Wisconsin |
| 66 | Marian Rothchild | 28 | Wife | — | Minnesota |
| 67 | Ann Rothchild | 5 | d | — | Minnesota |
| 68 | Mary Rothchild | 4 | d | — | Minnesota |
| 69 | Emma Brown | 20 | servant | — | Minnesota |
| 70 | George Graves | 61 | Head | General Manager | New York |
| 71 | Grace Graves | 60 | Wife | — | Michigan |
| 72 | Bona Deckert | 21 | servant | Servant | Germany |
| 73 | Louis S Sickles | 52 | Head | Proprietor | Illinois |
| 74 | Ann Sickles | 48 | Wife | — | Minnesota |
| 75 | Helen Sickles | 19 | daughter | — | Minnesota |
| 76 | Edward Sickles | 16 | son | — | Minnesota |
| 77 | Almeda Labane | 45 | servant | Servant | Minnesota |
| 78 | Anne E Johnson | 43 | servant | Servant | Minnesota |
| 79 | John Leuthold | 60 | Head | Salesman | Minnesota |
| 80 | Aurelia W Leuthold | 42 | Wife | — | Minnesota |
| 81 | William Goodkind | 70 | Head | — | Illinois |
| 82 | Margaret Faber | 38 | Housekeeper | House Keeper | Germany |
| 83 | Frank Beucroft | 58 | Head | Salesman | Massachusetts |
| 84 | Alice Beucroft | 44 | Wife | — | Wisconsin |
| 85 | Gertrude Beucroft | 24 | daughter | Secretary | Minnesota |
| 86 | Mable R Nelson | 21 | servant | Servant | Minnesota |
| 87 | Val S. Rothchild | 68 | Head | Proprietor | Wisconsin |
| 88 | Winifred Rothchild | 51 | Wife | — | Missouri |
Pedigree Summary
Harry
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)