FZ
Fred Zimmerman — 1940 US Census Record
Model Tree available1940 United States Federal Census · Multnomah-County, Oregon
Our Model Tree links this Fred Zimmerman across the 1920, 1930 and 1940 US Censuses in Multnomah-County, Oregon (XGBoost, ~Confirmed), with identified parents Christian & Christian — first a son (b.~1909), then head of a 4-person household.
Age 31
b. ~1909
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Multnomah-County, Oregon |
| Surname | Zimmerman |
| Given Name | Fred A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Portland city |
| 1935 Residence (County) | Multnomah |
| Additional Details | |
| Occupation | Boilermaker |
| Industry | Railroad Shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1500 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Boilermaker |
| Township / Ward | Portland City |
| Est. Birth Year | ~1909 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Fred | Age | Birth yr |
|---|---|---|---|---|
| Fred Zimmerman | Son | — | 31 | ~1909 |
| Erna Zimmerman | Spouse | — | 52 | ~1888 |
| Matt Eigner | Other | — | 79 | ~1861 |
| Clinton Zimmerman | Head | — | 68 | ~1872 |
Census Appearances
1920
Multnomah, Oregon
Son, age 11
Multnomah, Oregon · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Zimmermann |
| Given Name | Frederick |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Multnomah, Oregon
Son, age 21
Multnomah, Oregon · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Zimmerman |
| Given Name | Frederick A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Germany-Baden |
| Mother's Birthplace | Germany-Baden |
| Occupation | Boilermaker apprentice |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Multnomah-County, Oregon
Son, age 31
Multnomah-County, Oregon · implied b. ~1909 — 4 household members
| Surname | Zimmerman |
| Given Name | Fred A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Portland city |
| 1935 Residence (County) | Multnomah |
| Occupation | Boilermaker |
| Industry | Railroad Shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1500 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Christian Zimmermann (~0.92 confidence) and father Christian Zimmerman (~0.92 confidence) and father Clinton Zimmerman (~0.92 confidence) and mother Erna Zimmerman (~0.92 confidence) and mother Erna Zimmerman (~0.92 confidence) and mother Gena Zimmermann (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Christian Zimmermann
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Christian Zimmerman
b. ~1872
Source father
● Household
· direct · ~0.92
Father
Clinton Zimmerman
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Erna Zimmerman
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Erna Zimmerman
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Gena Zimmermann
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Fred Zimmerman
Son · 1940 · age 31 · b. ~1909 · Oregon
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Multnomah-County, Oregon
Open full size
1940 US Federal Census — Multnomah-County, Oregon
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-03388-00579)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Warren R. Duerr | 49 | Head | Salesman | Missouri |
| 2 | Mariam Duerr | 44 | Wife | — | Kentucky |
| 3 | Margaret M. Duerr | 24 | Daughter | Stenographer | Oregon |
| 4 | Marilyn J. Duerr | 21 | Daughter | New Worker | Oregon |
| 5 | Nellie Benson | 30 | Head | Stenographer | Oregon |
| 6 | Albert F. King | 53 | Head | Steward | Ohio |
| 7 | Jane E. King | 46 | Wife | Waitress | Montana |
| 9 | David E. Beck | 52 | Head | Interior Decorator | Oregon |
| 10 | Belle Beck | 44 | Wife | — | Iowa |
| 11 | Stanley R. Beck | 23 | Son | — | Oregon |
| 12 | Thomas M. Beck | 16 | Son | — | Oregon |
| 13 | Frank Chiarulli | 60 | Head | Mechanic Helper | Italy |
| 14 | Francis Chiarulli | 58 | Wife | — | Italy |
| 15 | Phyllis J. Chiarulli | 19 | Daughter | — | Italy |
| 16 | Ludwig H. Pilat | 63 | Head | Tool Dresser | Romania |
| 17 | Elsie M. Pilat | 57 | Wife | — | Oregon |
| 18 | James J. Harrington | 64 | Head | Carpenter | Iowa |
| 19 | Nikoline S. Harrington | 55 | Wife | — | Denmark |
| 21 | Clarence D. Smith | 47 | Head | Waiter | Wyoming |
| 22 | Madge M. Smith | 39 | Wife | — | Colorado |
| 23 | Hulda J. Smith | 86 | Mother | — | Illinois |
| 24 | Edna P. Smith | 46 | Sister | — | Iowa |
| 25 | Earl R. Ginger | 32 | Head | Sorter | Missouri |
| 26 | Helen J. Ginger | 27 | Wife | Operator | Kansas |
| 27 | Roy B. Lang | 46 | Head | Clerk | So Dakota |
| 28 | Carlotta E. Lang | 43 | Wife | — | California |
| 29 | Roy B. Lang | 15 | Son | — | Oregon |
| 30 | Eunice R. Lang | 8 | Daughter | — | Oregon |
| 31 | Sarah E. Ripley | 79 | Mother in law | — | California |
| 32 | Harold L. Miller | 49 | Head | Salesman | Iowa |
| 33 | Merle L. Miller | 47 | Wife | — | Oregon |
| 34 | Michael H. Miller | 6 | Son | — | Oregon |
| 35 | Clinton A. Zimmerman | 68 | Head | Manufacturing Jeweller | Germany |
| 36 | Erna E. Zimmerman | 52 | Wife | — | Germany |
| 37 | Fred A. Zimmerman THIS PERSON | 31 | Son | Boilermaker | California |
| 38 | Matt Eigner | 79 | Roomer | Retired | Austria |
| 39 | Marjorie L. Lynch | 42 | Head | School Teacher | Massachusetts |
| 40 | Francis J. Lynch | 18 | Son | — | Oregon |
Pedigree Summary
Fred
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)