JM
John Mayer — 1920 US Census Record
Model Tree available1920 United States Federal Census · Cook, Illinois
Our Model Tree links this John Mayer across the 1920, 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents Helen & Peter — first a son (b.~1909), then head of a 4-person household.
Age 11
b. ~1909
Male
Son
Born: Hungary
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Cook, Illinois |
| Surname | Mayer |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Hungary |
| Year of Immigration | 1911 |
| Naturalization Status | Alien |
| Father's Birthplace | Hungary |
| Mother's Birthplace | Hungary |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth Country | Hungary |
| Birthplace (normalized) | hungary |
| Township / Ward | Chicago 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 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Joseph Mayer | Head | — | 33 | ~1887 |
| John Mayer | Son | — | 11 | ~1909 |
| John Mayer | Son | — | 1 | ~1919 |
| Sophie Mayer | Spouse | — | 35 | ~1885 |
Census Appearances
1920
Cook, Illinois
Son, age 11
Cook, Illinois · implied b. ~1909 — 4 household members
| Surname | Mayer |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Hungary |
| Year of Immigration | 1911 |
| Naturalization Status | Alien |
| Father's Birthplace | Hungary |
| Mother's Birthplace | Hungary |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth Country | Hungary |
| Birthplace (normalized) | hungary |
1930
Cook, Illinois
Son, age 21
Cook, Illinois · implied b. ~1909 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Meyer |
| Given Name | Joe |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Hungary |
| Naturalization Status | Un |
| Year of Immigration | 1905 |
| Father's Birthplace | Hungary |
| Mother's Birthplace | Hungary |
| Occupation | Bell Boy |
| Industry | Hotel Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Veteran | No |
| Birth Country | Hungary |
| Birthplace (normalized) | hungary |
Head, age 32
Cook-County, Illinois · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Meyer |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Hungary |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Occupation | Bottler |
| Industry | Brewery |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 330 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth Country | Hungary |
| Birthplace (normalized) | hungary |
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 John Mayer across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Helen Meyer (~0.92 confidence) and father Peter Meyer (~0.92 confidence) and mother Sophie Mayer (~0.92 confidence) and father Joseph Mayer (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Helen Meyer
b. ~1882
Source mother
● Household
· direct · ~0.92
Father
Peter Meyer
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Sophie Mayer
b. ~1885
Source mother
● Household
· direct · ~0.92
Father
Joseph Mayer
b. ~1887
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Mayer
Son · 1920 · age 11 · b. ~1909 · Illinois
★ You are viewing this record
Sibling
John Mayer
Sibling · 1920 · age 1
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
1920 US Federal Census — Cook, Illinois
Open full size
1920 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu333unit:0666)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Mayer | 33 | Head | Carpenter | Hungary |
| 2 | Sophie Mayer | 35 | Wife | — | Hungary |
| 3 | John Mayer THIS PERSON | 11 | Son | — | Hungary |
| 4 | John Mayer | 1 | Son | — | Hungary |
| 5 | Anna Kussman | 30 | Head | — | Illinois |
| 6 | Henry Kussman | 32 | Son | Laborer | Illinois |
| 7 | John Kussman | 24 | Son | Laborer | Illinois |
| 8 | George Vener | 65 | Head | — | Germany |
| 9 | John Vener | 40 | Son | Butcher | Germany |
| 10 | Arthur Thomas | 31 | Adopted Son | Laborer | Illinois |
| 11 | Louis Genger | 42 | Head | Laborer | Illinois |
| 12 | Mary Genger | 38 | Wife | — | Illinois |
| 13 | Leroy Genger | 3 | Son | — | Illinois |
| 14 | Fred Buettner | 63 | Boarder | — | Germany |
| 15 | Louis Gunderson | 64 | Head | Blacksmith | Denmark |
| 16 | Walter Gunderson | 33 | Son | Sheet Metal Worker | Denmark |
| 17 | Walter Steinberg | 27 | Head | Laborer | Illinois |
| 18 | Minnie Steinberg | 30 | Wife | — | Michigan |
| 19 | Walter Steinberg | 1 | Son | — | Illinois |
| 20 | Frank Ernst | 20 | Head | Laborer | Austria |
| 21 | Nellie Amada | 53 | Head | — | Germany |
| 22 | Emily Jenne | 42 | Head | Packer | Germany |
| 23 | Edward Jenne | 16 | Son | Errand Boy | Illinois |
| 24 | Emily Jenne | 15 | Daughter | — | Illinois |
| 25 | Alice Jenne | 11 | Daughter | — | Illinois |
| 26 | Ida Jenne | 9 | Daughter | — | Illinois |
| 27 | Eleanor Jenne | 5 | Daughter | — | Illinois |
| 28 | Louis Lehner | 45 | Head | Window Washer | Hungary |
| 29 | Emily Lehner | 6 | Daughter | — | Illinois |
| 30 | Julia Lehner | 2 | Daughter | — | Illinois |
| 31 | Louis Lehner | 0 | Son | — | Illinois |
| 32 | Charles Christman | 32 | Boarder | Musician | Germany |
| 33 | Charles Haerle | 49 | Boarder | Laborer | Germany |
| 34 | Fred Ganzel | 51 | Boarder | Laborer | Germany |
| 35 | Martin Frohm | 33 | Head | Chauffeur | Ohio |
| 36 | Anna Frohm | 28 | Wife | Packer | Illinois |
| 37 | Rita Frohm | 5 | Son | — | Ohio |
| 38 | Bernard Frohm | 3 | Son | — | Illinois |
| 39 | Lucille Frohm | 1 | Daughter | — | Ohio |
| 40 | Walter Loss | 26 | Head | Bellhop | Illinois |
| 41 | Frank Gair | 30 | Head | Laborer | Hungary |
| 42 | Andrew Droll | 37 | Lodger | Laborer | Austria |
| 43 | John Milner | 34 | Lodger | Machinist | Austria |
| 44 | Alex Gatach | 30 | Lodger | Butcher | Austria |
| 45 | John Heisel | 41 | Head | Mechanic | Germany |
| 46 | Ada Heisel | 40 | Wife | — | Germany |
| 47 | Lloyd Heisel | 18 | Son | Pressman | Illinois |
| 48 | John Heisel | 17 | Son | Machinist | Illinois |
| 49 | Violet Heisel | 15 | Daughter | File Clerk | Illinois |
| 50 | Anna Draether | 40 | Head | — | Germany |
Related Census Records
Pedigree Summary
John + 1 sibling
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)