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John Mayer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Mayer across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1865), then head of a 2-person household.
Age 75
b. ~1865
Male
Head
Born: Massachusetts
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Mayer |
| Given Name | John H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 75 |
| Marital Status | Widowed |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1865 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Ethel Mayer | Daughter | — | 36 | ~1904 |
| John Mayer | Head | — | 75 | ~1865 |
Census Appearances
1920
Suffolk, Massachusetts
Head, age 55
Suffolk, Massachusetts · implied b. ~1865 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Meyer |
| Given Name | John H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Engineer |
| Industry | Locomotive |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
Head, age 65
Suffolk, Massachusetts · implied b. ~1865 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Meyer |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 25 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | engineer |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 8,500 |
| Radio Set | R |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Head, age 75
Suffolk-County, Massachusetts · implied b. ~1865 — 2 household members
| Surname | Mayer |
| Given Name | John H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 75 |
| Marital Status | Widowed |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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.
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This person
Anchor record
John Mayer
Head · 1940 · age 75 · b. ~1865 · Massachusetts
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01680-00136)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Michael Conner | 32 | Head | Baggage Handler | Irish Free State |
| 2 | Norah Conner | 32 | Wife | — | Irish Free State |
| 3 | Eugene P Conner | 5 | Son | — | Massachusetts |
| 4 | John H Mayer THIS PERSON | 75 | Head | — | Massachusetts |
| 5 | Ethel Mayer | 36 | Daughter | — | Massachusetts |
| 6 | Florence D Lamb | 49 | Head | Salesgirl | Massachusetts |
| 7 | Florence L Lamb | 17 | Daughter | Clerk | Massachusetts |
| 8 | Edward Barnard | 29 | Head | Longshoreman | Massachusetts |
| 9 | Elphie Barnard | 28 | Wife | Nurse | Massachusetts |
| 10 | Barbara Barnard | 7 | Daughter | — | Massachusetts |
| 11 | Martha Barnard | 4 | Daughter | — | Massachusetts |
| 12 | Bernice Froughton | 17 | Servant | Servant | Massachusetts |
| 13 | A. Frances Brennan | 45 | Head | Teacher | Massachusetts |
| 14 | Elizabeth M Brennan | 42 | Sister | Secretary | Massachusetts |
| 15 | Agnes Ac Brennan | 38 | Sister | Teacher | Massachusetts |
| 16 | Edward H Hearney | 73 | Head | Manager | Massachusetts |
| 17 | Mary L Hearney | 60 | Wife | — | Rhode Island |
| 18 | Mary L Jr Hearney | 25 | Daughter | Secretary | Massachusetts |
| 19 | Katherine F Hearney | 22 | Daughter | Teacher | Massachusetts |
| 20 | Rose Eileen Hearney | 20 | Daughter | — | Massachusetts |
| 21 | Arthur Hobbs | 36 | Head | Custodian | Massachusetts |
| 22 | Clarice Hobbs | 32 | Wife | — | Massachusetts |
| 23 | Marian Hobbs | 11 | Daughter | — | Massachusetts |
| 24 | Patrick F Murphy | 75 | Head | — | Canada English |
| 25 | Mary F Murphy | 73 | Wife | — | Massachusetts |
| 26 | Barbara Murphy | 35 | Daughter | Teacher | Massachusetts |
| 27 | Monica Murphy | 33 | Daughter | Teacher | Massachusetts |
| 28 | Edmund Devlin | 43 | Head | Special Agent | Massachusetts |
| 29 | Evelyn Devlin | 42 | Wife | — | Massachusetts |
| 30 | Mary Devlin | 13 | Daughter | — | Massachusetts |
| 31 | Gertrude Devlin | 11 | Daughter | — | Massachusetts |
| 32 | B. Joan Devlin | 7 | Daughter | — | Massachusetts |
| 33 | Edmund Jr Devlin | 5 | Son | — | Massachusetts |
| 34 | Joseph Devlin | 4 | Son | — | Massachusetts |
| 35 | Anthony Devlin | 2 | Son | — | Massachusetts |
| 36 | Teresa Devlin | 1 | Daughter | — | Massachusetts |
| 37 | Lawrence Pratt | 29 | Head | Salesman | Massachusetts |
| 38 | Celia C Pratt | 28 | Wife | Teacher | Massachusetts |
| 39 | James S Pratt | 5 | Son | — | Massachusetts |
| 40 | Mary Smith | 20 | Servant | Maid | Vermont |
Related Census Records
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)