JM
John Mayer — 1940 US Census Record
Model Tree available1940 United States Federal Census · Multnomah-County, Oregon
Our Model Tree links this John Mayer across the 1920, 1930 and 1940 US Censuses in Multnomah-County, Oregon (XGBoost, ~Confirmed), with identified parents Edward & Edward — first a son (b.~1914), then head of a 4-person household.
Age 26
b. ~1914
Male
Son
Born: Oregon
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Multnomah-County, Oregon |
| Surname | Mayer |
| Given Name | John E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Portland city |
| 1935 Residence (County) | Multnomah |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Petroleum Company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1680 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Occupation | Bookkeeper |
| Township / Ward | Portland City |
| Est. Birth Year | ~1914 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Edward Mayer | Head | — | 53 | ~1887 |
| Caroline Mayer | Other | — | 77 | ~1863 |
| John Mayer | Son | — | 26 | ~1914 |
| Henrietta Mayer | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Multnomah, Oregon
Son, age 5
Multnomah, Oregon · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Meyer |
| Given Name | John D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Oregon |
| Mother's Birthplace | Wisconsin |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
Son, age 16
Multnomah, Oregon · implied b. ~1914 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Meyer |
| Given Name | John E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Oregon |
| Mother's Birthplace | Wisconsin |
| Can Read/Write | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
Multnomah-County, Oregon
Son, age 26
Multnomah-County, Oregon · implied b. ~1914 — 4 household members
| Surname | Mayer |
| Given Name | John E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Portland city |
| 1935 Residence (County) | Multnomah |
| Occupation | Bookkeeper |
| Industry | Petroleum Company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1680 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
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: father Edward Meyer (~0.92 confidence) and father Edward Meyer (~0.92 confidence) and mother Henrietta Mayer (~0.92 confidence) and mother Henrietta Meyer (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Meyer
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Edward Meyer
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Henrietta Mayer
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Henrietta Meyer
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Mayer
Son · 1940 · age 26 · b. ~1914 · 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
40 people indexed on this census page (nara:1940:m-t0627-03392-00715)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John K Golden | 55 | Head | Clerk | Oregon |
| 2 | Abbie Golden | 53 | Wife | — | Oregon |
| 3 | William Frick | 70 | Head | Salesman | Maryland |
| 4 | Helen M Frick | 60 | Wife | Art Instructor | Germany |
| 5 | John H Frick | 20 | Son | — | Michigan |
| 6 | Otis G Mithoug | 40 | Head | Electrical Engineer | Washington |
| 7 | Janet E Mithoug | 39 | Wife | — | Scotland |
| 8 | Donald O Mithoug | 14 | Son | — | Pennsylvania |
| 9 | Robert E Mithoug | 11 | Son | — | Washington |
| 10 | Thomas G Copeland | 45 | Head | Truck Driver | Canada English |
| 11 | Martha C Copeland | 48 | Wife | — | England |
| 12 | Robert G Copeland | 19 | Son | Truck Driver | Canada English |
| 13 | Marjorie J Copeland | 9 | Daughter | — | Oregon |
| 14 | Mae E Whitcomb | 41 | Head | Department Secretary | Washington |
| 15 | Marjorie R Whitcomb | 19 | Daughter | — | Oregon |
| 16 | Elizabeth L Whitcomb | 12 | Daughter | — | California |
| 17 | Alice W Hay | 70 | Mother | — | Oregon |
| 18 | Corinne B Richards | 48 | Head | — | Washington |
| 19 | Leslie C Richards | 29 | Son | Diamond Drill Engineer | Washington |
| 20 | Frank V Durnes | 37 | Head | Layer-Out | Oregon |
| 21 | Isabelle T Durnes | 37 | Wife | — | Oregon |
| 22 | Frank V Jr Durnes | 15 | Son | — | Oregon |
| 23 | Mary Cecilia M Durnes | 12 | Daughter | — | Oregon |
| 24 | Edward Mayer | 53 | Head | Salesman | Oregon |
| 25 | Henrietta C Mayer | 51 | Wife | — | Wisconsin |
| 26 | John E Mayer THIS PERSON | 26 | Son | Bookkeeper | Oregon |
| 27 | Caroline C Mayer | 77 | Mother-in-law | — | Germany |
| 28 | Ray G Mackenzie | 41 | Head | Civil Engineer | North Carolina |
| 29 | Bess G Mackenzie | 41 | Wife | — | Missouri |
| 30 | Percy N Pratt | 47 | Head | Timber Expert | Illinois |
| 31 | Grace E Pratt | 44 | Wife | — | Wisconsin |
| 32 | John N Pratt | 18 | Son | Carrier | Oregon |
| 33 | George B Pratt | 16 | Son | Carrier | Oregon |
| 34 | Ralph E Pratt | 14 | Son | Carrier | Oregon |
| 35 | Frank E Pratt | 12 | Son | — | Washington |
| 36 | J Godfrey Dorsey | 44 | Head | Agent | Washington |
| 37 | Gertrude P Dorsey | 42 | Wife | — | Texas |
| 38 | Geoffrey A Dorsey | 4 | Son | — | Michigan |
| 39 | Charles G North | 53 | Head | Constable | Michigan |
| 40 | Ethel S North | 54 | Wife | — | Oregon |
Related Census Records
Pedigree Summary
John
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 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)