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John Maher — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Worcester-County, Massachusetts
Our Model Tree links this John Maher across the 1930 and 1940 US Censuses in Worcester-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1913), then head of a 7-person household.
Age 27
b. ~1913
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Worcester-County, Massachusetts |
| Surname | Maher |
| Given Name | John W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Worcester city |
| 1935 Residence (County) | Worcester |
| Additional Details | |
| Occupation | Real Estate |
| Industry | Independent |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 0 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Real Estate |
| Township / Ward | Worcester City |
| Est. Birth Year | ~1913 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Maher | Son | — | 27 | ~1913 |
| Cornelius Maher | Head | — | 59 | ~1881 |
| Thomas Maher | Son | — | 25 | ~1915 |
| Cornelius Maher | Son | — | 29 | ~1911 |
| Julia Maher | Spouse | — | 55 | ~1885 |
| Robert Maher | Son | — | 19 | ~1921 |
| Edward Maher | Son | — | 21 | ~1919 |
Census Appearances
1930
Worcester, Massachusetts
Son, age 17
Worcester, Massachusetts · implied b. ~1913 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Maher |
| Given Name | John W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Worcester-County, Massachusetts
Son, age 27
Worcester-County, Massachusetts · implied b. ~1913 — 7 household members
| Surname | Maher |
| Given Name | John W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Worcester city |
| 1935 Residence (County) | Worcester |
| Occupation | Real Estate |
| Industry | Independent |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 0 |
| Highest Grade | C 4 |
| 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 Maher across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Maher
Son · 1940 · age 27 · b. ~1913 · Massachusetts
★ You are viewing this record
Sibling
Edward Maher
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Maher
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Maher
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cornelius Maher
Sibling · 1940 · age 29
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
1940 US Federal Census — Worcester-County, Massachusetts
Open full size
1940 US Federal Census — Worcester-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01719-00071)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Honorah Farrell | 18 | Cousin | Clerk | Massachusetts |
| 42 | Mary F. Farrell | 20 | Cousin | Laundry Supervisor | Massachusetts |
| 43 | Martin J. Bird | 46 | Head | Technician | Vermont |
| 44 | Alice A. Bird | 44 | Wife | — | Massachusetts |
| 45 | Catherine E. Bird | 25 | Daughter | Technician | Massachusetts |
| 46 | Martin J. Jr. Bird | 21 | Son | — | Massachusetts |
| 47 | Manfred A. Bird | 19 | Daughter | Clerk | Massachusetts |
| 48 | Elizabeth Lynch | 86 | Mother in law | — | Ireland |
| 49 | Elizabeth J. Glasheen | 57 | Sister in law | Nurse | Massachusetts |
| 50 | Israel Tavel | 49 | Head | Contractor | Lithuania |
| 51 | Ralph Tavel | 46 | Brother | Treasurer | Lithuania |
| 52 | Dora Tavel | 63 | Mother | — | Lithuania |
| 53 | Florence Slovin | 35 | Sister | — | Lithuania |
| 54 | Arleen Suomus | 59 | Maid | Maid | Finland |
| 55 | Irving W. Jacobson | 27 | Head | Salesman | Massachusetts |
| 56 | Minna Jacobson | 26 | Wife | — | Massachusetts |
| 57 | Zelda Jacobson | 1 | Daughter | — | Massachusetts |
| 58 | William Kisenberg | 51 | Head | Salesman | Russia |
| 59 | Esther Kisenberg | 43 | Wife | — | New Jersey |
| 60 | Harriet Kisenberg | 20 | Daughter | — | Massachusetts |
| 61 | Irwin Kisenberg | 14 | Son | — | Massachusetts |
| 62 | Grace Austin | 28 | Maid | Maid | New Hampshire |
| 63 | Cora Hunt | 60 | Head | — | Massachusetts |
| 64 | Flora Hunt | 55 | Sister | Real Estate | Massachusetts |
| 65 | George Harney | 35 | Boarder | Landscaper | Massachusetts |
| 66 | Otis T. Wales | 36 | Head | Fireman | Maine |
| 67 | Catherine Wales | 34 | Wife | — | New York |
| 68 | John O. Wales | 7 | Son | — | Massachusetts |
| 69 | Catherine Wales | 4 | Daughter | — | Massachusetts |
| 70 | Cornelius J. Maher | 59 | Head | Real Estate Supervisor | Massachusetts |
| 71 | Julia G. Maher | 55 | Wife | — | Massachusetts |
| 72 | Cornelius Jr. Maher | 29 | Son | Real Estate | Massachusetts |
| 73 | John W. Maher THIS PERSON | 27 | Son | Real Estate | Massachusetts |
| 74 | Thomas F. Maher | 25 | Son | Real Estate | Massachusetts |
| 75 | Edward C. Maher | 21 | Son | — | Massachusetts |
| 76 | Robert C. Maher | 19 | Son | — | Massachusetts |
| 77 | Myer Jasper | 34 | Head | Proprietor | Massachusetts |
| 78 | Irene Jasper | 30 | Wife | — | Massachusetts |
| 79 | Suzanne Jasper | 1 | Daughter | — | Massachusetts |
| 80 | George E. Wells | 48 | Head | Insurance Agent | Massachusetts |
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)