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Joseph Mayer — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hennepin-County, Minnesota
Our Model Tree links this Joseph Mayer across the 1920, 1930 and 1940 US Censuses in Hennepin-County, Minnesota (XGBoost, ~Confirmed), with identified parents George & Leo — first a son (b.~1919), then head of a 3-person household.
Age 21
b. ~1919
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hennepin-County, Minnesota |
| Surname | Mayer |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Minneapolis City |
| 1935 Residence (County) | Hennepin |
| Additional Details | |
| Occupation | Bill Distributor |
| Industry | Mpls Gas Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 224 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Bill Distributor |
| Township / Ward | Minneapolis City |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Joseph Mayer | Son | — | 21 | ~1919 |
| Catherine Mayer | Spouse | — | 53 | ~1887 |
| Leo Mayer | Head | — | 56 | ~1884 |
Census Appearances
1920
Hennepin, Minnesota
Son, age 1
Hennepin, Minnesota · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mayer |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Occupation | none |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Hennepin, Minnesota
Son, age 11
Hennepin, Minnesota · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mayer |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Hennepin-County, Minnesota
Son, age 21
Hennepin-County, Minnesota · implied b. ~1919 — 3 household members
| Surname | Mayer |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Minneapolis City |
| 1935 Residence (County) | Hennepin |
| Occupation | Bill Distributor |
| Industry | Mpls Gas Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 224 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| 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 Joseph Mayer across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Mayer (~0.92 confidence) and father Leo Mayer (~0.92 confidence) and father Leo Mayer (~0.92 confidence) and mother Catherine Mayer (~0.92 confidence) and mother Katherine Mayer (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Mayer
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Leo Mayer
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Leo Mayer
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Catherine Mayer
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Katherine Mayer
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Mayer
Son · 1940 · age 21 · b. ~1919 · Minnesota
★ 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 — Hennepin-County, Minnesota
Open full size
1940 US Federal Census — Hennepin-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01977-00078)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ann Paulson | 25 | Daughter | Typist | Canada-Eng |
| 2 | Robert Paulson | 21 | Son | Machine Operator | Minnesota |
| 3 | Edith Paulson | 19 | Daughter | — | Minnesota |
| 4 | Fred Paulson | 13 | Son | — | Minnesota |
| 5 | Martin Keller | 41 | Head | Railroad Clerk | Minnesota |
| 6 | Hildegard Keller | 40 | Wife | — | Minnesota |
| 7 | Robert Keller | 16 | Son | 6 | Minnesota |
| 8 | John Keller | 11 | Son | — | Minnesota |
| 9 | Eugene Keller | 7 | Son | — | Minnesota |
| 10 | Leslie Keller | 6 | Son | — | Minnesota |
| 11 | Douglas Keller | 4 | Son | — | Minnesota |
| 12 | Catherine Keller | 60 | Mother | Sewing | New York |
| 13 | George Ward | 40 | Head | Truck Driver | Minnesota |
| 14 | Lillian Ward | 34 | Wife | — | Minnesota |
| 15 | Edward Ward | 18 | Son | — | Minnesota |
| 16 | Lloyd Parsons | 45 | Head | Office Work | Illinois |
| 17 | Edna Parsons | 37 | Wife | — | Minnesota |
| 18 | Byron Thieser | 17 | Step-son | Paper Route | Minnesota |
| 19 | Joseph Komsbruck | 44 | Head | Mechanic | Minnesota |
| 20 | Clara Komsbruck | 39 | Wife | — | Wisconsin |
| 21 | Kenneth Trask | 30 | Head | Salesman | Minnesota |
| 22 | Louise Trask | 28 | Wife | — | Minnesota |
| 23 | Dean Trask | 5 | Daughter | — | Minnesota |
| 24 | Victor Trask | 58 | Head | Truck Body Builder | Denmark |
| 25 | Karyn Trask | 60 | Wife | — | Denmark |
| 26 | Harold Coleman | 36 | Head | Music Teacher | Iowa |
| 27 | Clementine Coleman | 36 | Wife | — | Iowa |
| 28 | Gerald Coleman | 7 | Son | — | Minnesota |
| 29 | Ann Coleman | 4 | Daughter | — | Minnesota |
| 30 | Howard Innies | 24 | Head | Laborer | Minnesota |
| 31 | Lois Innies | 20 | Wife | — | Minnesota |
| 32 | Herman Hochstetter | 52 | Head | Florist | Minnesota |
| 33 | Elizabeth Hochstetter | 60 | Sister | Florist | Minnesota |
| 34 | Leo A. Mayer | 56 | Head | Foreman | Minnesota |
| 35 | Catherine Mayer | 53 | Wife | — | Minnesota |
| 36 | Joseph Mayer THIS PERSON | 21 | Son | Bill Distributor | Minnesota |
| 37 | E. H. Coffey | 40 | Head | Salesman | Wisconsin |
| 38 | Mary Coffey | 39 | Wife | — | Minnesota |
| 39 | John Coffey | 8 | Son | — | Minnesota |
| 40 | Mary O'Connell | 76 | Mother-in-law | — | Minnesota |
Pedigree Summary
Joseph
Gen 1 · 5 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)