FZ
Fred Zimmerman — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this Fred Zimmerman across the 1930 and 1940 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 8-person household.
Age 3
b. ~1927
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | ZIMMERMAN |
| Given Name | FRED |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1927 |
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 Fred | Age | Birth yr |
|---|---|---|---|---|
| Dora Zimmerman | Spouse | — | 41 | ~1889 |
| Fred Zimmerman | Son | — | 3 | ~1927 |
| Albert Zimmerman | Son | — | 5 | ~1925 |
| William Zimmerman | Son | — | 9 | ~1921 |
| Dorothy Zimmerman | Daughter | — | 17 | ~1913 |
| G Zimmerman | Head | — | 41 | ~1889 |
| Elsie Zimmerman | Daughter | — | 14 | ~1916 |
| George Zimmerman | Son | — | 11 | ~1919 |
Census Appearances
1930
Philadelphia, Pennsylvania
Son, age 3
Philadelphia, Pennsylvania · implied b. ~1927 — 8 household members
| Surname | ZIMMERMAN |
| Given Name | FRED |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Bucks-County, Pennsylvania
Son, age 12
Bucks-County, Pennsylvania · implied b. ~1928 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Zimmermann |
| Given Name | Frederick |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Highest Grade | No 7 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Fred Zimmerman across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Fred Zimmerman
Son · 1930 · age 3 · b. ~1927 · Pennsylvania
★ You are viewing this record
Sibling
Elsie Zimmerman
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Zimmerman
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Zimmerman
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Zimmerman
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Zimmerman
Sibling · 1930 · age 17
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 — Philadelphia, Pennsylvania
Open full size
1930 US Federal Census — Philadelphia, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2122:0267)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Bertha Dawson | 47 | Head | Manufacturer | Iowa |
| 2 | G. W. Zimmerman | 41 | Head | Designer | Pennsylvania |
| 3 | Dora Zimmerman | 41 | Wife | — | Pennsylvania |
| 4 | Dorothy Zimmerman | 17 | Daughter | Knitter | Pennsylvania |
| 5 | Elsie Zimmerman | 14 | Daughter | — | Pennsylvania |
| 6 | George Zimmerman | 11 | Son | — | Pennsylvania |
| 7 | William Zimmerman | 9 | Son | — | Pennsylvania |
| 8 | Albert Zimmerman | 5 | Son | — | Pennsylvania |
| 9 | Fred Zimmerman THIS PERSON | 3 | Son | — | Pennsylvania |
| 10 | Henry Riningland | 54 | Head | Foreman | Germany |
| 11 | Annie Riningland | 50 | Wife | — | Germany |
| 12 | Martha Riningland | 22 | Daughter | Steno | Pennsylvania |
| 13 | Walter Riningland | 21 | Son | Clerk | Pennsylvania |
| 14 | Otto Riningland | 19 | Son | Steno | Pennsylvania |
| 15 | Bertha Kern | 44 | Boarder | Steno | Holland |
| 16 | John Gerstenmaier | 44 | Head | Salesman | Pennsylvania |
| 17 | Rosalie Gerstenmaier | 43 | Wife | — | Pennsylvania |
| 18 | John Gerstenmaier | 19 | Son | Mechanic | Pennsylvania |
| 19 | Rosalie Gerstenmaier | 17 | Daughter | Steno | Pennsylvania |
| 20 | Margaret Gerstenmaier | 13 | Daughter | — | Pennsylvania |
| 21 | Earline Gerstenmaier | 3 | Daughter | — | Pennsylvania |
| 22 | Paul Dietz | 36 | Head | Mechanic | Germany |
| 23 | Bertha Dietz | 32 | Wife | — | Germany |
| 24 | Paul Dietz | 7 | Son | — | Pennsylvania |
| 25 | Frank Dietz | 4 | Son | — | Pennsylvania |
| 26 | Robert Dietz | 1 | Son | — | Pennsylvania |
| 27 | John Grimes | 43 | Head | Clerk | Pennsylvania |
| 28 | Wilhemina Grimes | 42 | Wife | — | Pennsylvania |
| 29 | Louisa Grimes | 21 | Daughter | Teller | Pennsylvania |
| 30 | Hazel Grimes | 15 | Daughter | — | Pennsylvania |
| 31 | John Grimes | 11 | Son | — | Pennsylvania |
| 32 | Albert Etchinon | 69 | Father-in-law | Engineer | Pennsylvania |
| 33 | Henry Hall | 44 | Head | Fireman | Pennsylvania |
| 34 | Ada Hall | 44 | Wife | — | England |
| 35 | Ada Hall | 15 | Daughter | — | Pennsylvania |
| 36 | Elsie Hall | 10 | Daughter | — | Pennsylvania |
| 37 | Emma Gregson | 71 | Mother-in-law | — | England |
| 38 | Thomas C. Butterworth | 52 | Head | Pattern Maker | Pennsylvania |
| 39 | Lillian M. Butterworth | 47 | Wife | — | Pennsylvania |
| 40 | William T. Butterworth | 16 | Son | — | Pennsylvania |
| 41 | Vernon H. Butterworth | 11 | Son | — | Pennsylvania |
| 42 | Emil Roeder | 55 | Head | Foreman | Germany |
| 43 | Anna Roeder | 48 | Wife | — | Germany |
| 44 | John Ockershausen | 26 | Son-in-law | Salesman | Pennsylvania |
| 45 | Anna Ockershausen | 23 | Daughter | — | Pennsylvania |
| 46 | John Ockershausen | 2 | Son | — | Pennsylvania |
| 47 | Anna Ockershausen | 1 | Daughter | — | Pennsylvania |
| 48 | Margaret Ockershausen | 0 | Daughter | — | Pennsylvania |
| 49 | Joseph Ness | 61 | Head | Machinist | Pennsylvania |
| 50 | Martha Ness | 56 | Wife | — | Pennsylvania |
Related Census Records
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)