JM
John Maher — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Maher across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1874), then head of a 6-person household.
Age 66
b. ~1874
Male
Head
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Maher |
| Given Name | John J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Massachusetts |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Cook |
| Industry | Diner |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | No 10 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Cook |
| Township / Ward | Boston City |
| Est. Birth Year | ~1874 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Maher | Head | — | 66 | ~1874 |
| Rosetta Maher | Other | — | 29 | ~1911 |
| Rita Maher | Daughter | — | 22 | ~1918 |
| Mary Maher | Daughter | — | 24 | ~1916 |
| Mary Maher | Spouse | — | 50 | ~1890 |
| Geraldine Maher | Daughter | — | 26 | ~1914 |
Census Appearances
1920
Suffolk, Massachusetts
Head, age 44
Suffolk, Massachusetts · implied b. ~1876 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Maher |
| Given Name | John J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1900 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Merchant |
| Industry | Lunch Room |
| Class of Worker | Em |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth Country | Ireland |
| Year of Naturalization | 1912 |
| Birthplace (normalized) | ireland |
1930
Suffolk, Massachusetts
Head, age 55
Suffolk, Massachusetts · implied b. ~1875 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Meher |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1903 |
| Age at First Marriage | 33 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Car Inspector |
| Industry | Steam Railway |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 3,000 |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Suffolk-County, Massachusetts
Head, age 66
Suffolk-County, Massachusetts · implied b. ~1874 — 6 household members
| Surname | Maher |
| Given Name | John J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Massachusetts |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Occupation | Cook |
| Industry | Diner |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | No 10 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Maher
Head · 1940 · age 66 · b. ~1874 · 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-t0627-01680-00587)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John J Maher THIS PERSON | 66 | Head | Cook | Ireland |
| 42 | Mary E Maher | 50 | Wife | Waitress | Massachusetts |
| 43 | Mary Maher | 24 | Daughter | Waitress | Massachusetts |
| 44 | Rita Maher | 22 | Daughter | Clerk | Massachusetts |
| 45 | Rosetta Henry Maher | 29 | Son-in-law | Cook | Massachusetts |
| 46 | Geraldine Maher | 26 | Daughter | — | Massachusetts |
| 47 | Oscar H Ballantine | 62 | Head | Carpenter | New Brunswick |
| 48 | Clara K Ballantine | 58 | Wife | — | Canada E |
| 49 | Martha Johnson | 55 | Head | Teacher | Massachusetts |
| 50 | John S Fisher | 48 | Head | Dentist | Canada Eng |
| 51 | Mary A Fisher | 47 | Wife | — | Canada Eng |
| 52 | Marie J Fisher | 13 | Daughter | — | Massachusetts |
| 53 | Ann Fisher | 9 | Daughter | — | Massachusetts |
| 54 | Geraldine M Fisher | 8 | Daughter | — | Massachusetts |
| 55 | Sarah H Peters | 57 | Mother-in-law | Counterman | Canada Eng |
| 56 | Mary J Ballard | 77 | Head | — | Massachusetts |
| 57 | Joseph A Ballard | 40 | Son | Undertaker | Vermont |
| 58 | Walsh J Stakes | 65 | Head | Undertaker | Massachusetts |
| 59 | Ida M Stakes | 65 | Wife | — | Massachusetts |
| 60 | Daniel H Rose | 65 | Head | Broker | Canada Eng |
| 61 | Jennie Rose | 63 | Wife | — | Nova Scotia |
| 62 | Charlotte Knight | 67 | Lodger | — | Massachusetts |
| 63 | Donald C Walsh | 41 | Lodger | Mechanic | Nova Scotia |
| 64 | Agnes Parmsley | 23 | Lodger | Waitress | Massachusetts |
| 65 | John Patrick | 21 | Lodger | Counterman | Maine |
| 66 | John M Lane | 70 | Head | Collecting Clerk | Massachusetts |
| 67 | Mary A Lane | 68 | Sister | — | Massachusetts |
| 68 | John L Geoghegan | 42 | Head | Inspector | Massachusetts |
| 69 | Eleanor Geoghegan | 40 | Wife | — | Iowa |
| 70 | Frank Hitchcock | 54 | Head | Barber | Massachusetts |
| 71 | Helen Hitchcock | 59 | Wife | — | Massachusetts |
| 72 | Amie Hitchcock | 12 | Daughter | — | Massachusetts |
| 73 | Helen T Clancy | 46 | Head | — | Massachusetts |
| 74 | David D Clancy | 17 | Son | — | Massachusetts |
| 75 | Dorothea G Clancy | 13 | Daughter | — | Massachusetts |
| 76 | James G R Clancy | 10 | Son | — | Massachusetts |
| 77 | Margaret M Murphy | 32 | Sister | Supervisor | Massachusetts |
| 78 | Josephine Murphy | 38 | Sister | Operator | Massachusetts |
| 79 | Joseph Leary | 43 | Head | Clerk | Massachusetts |
| 80 | Ann Leary | 37 | Wife | — | 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)