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John Maher — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Kings, New York
Our Model Tree links this John Maher across the 1930 and 1940 US Censuses in Kings, New York (XGBoost, ~Confirmed) — first a head (b.~1879), then head of a 28-person household.
Age 51
b. ~1879
Male
Head
Born: New York
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Kings, New York |
| Surname | Maher |
| Given Name | John A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | New York |
| Age at First Marriage | 27 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Banker |
| Industry | Bank |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 10000 |
| Radio Set | R |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Banker |
| Township / Ward | Brooklyn |
| Est. Birth Year | ~1879 |
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.
28 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Benny Rose | Other | — | 42 | ~1888 |
| Mollie Fowler | Spouse | — | 34 | ~1896 |
| Corinthia Olsen | Other | — | 57 | ~1873 |
| William Rose | Son | — | 17 | ~1913 |
| Clara Campbell | Daughter | — | 19 | ~1911 |
| James Lafey | Other | — | 18 | ~1912 |
| George Sullivan | Other | — | 47 | ~1883 |
| Florence Campbell | Daughter | — | 22 | ~1908 |
| Peter Umm | Other | — | 45 | ~1885 |
| Agnes Umm | Spouse | — | 45 | ~1885 |
| Adaline Rose | Spouse | — | 38 | ~1892 |
| Helen Maher | Spouse | — | 45 | ~1885 |
| Thomas Olsen | Other | — | 62 | ~1868 |
| John Umm | Son | — | 12 | ~1918 |
| Vincent Umm | Son | — | 17 | ~1913 |
| Clara Maony | Spouse | — | 39 | ~1891 |
| Howard Campbell | Son | — | 17 | ~1913 |
| Arthur Rose | Son | — | 15 | ~1915 |
| George Campbell | Son | — | 27 | ~1903 |
| Cecelia Sullivan | Spouse | — | 43 | ~1887 |
| Robert Rose | Son | — | 13 | ~1917 |
| Ellen Campbell | Other | — | 53 | ~1877 |
| William Campbell | Son | — | 24 | ~1906 |
| Floyd Fowler | Other | — | 37 | ~1893 |
| Marie Fowler | Daughter | — | 4 | ~1926 |
| John Maher | Head | — | 51 | ~1879 |
| Elmer Maony | Other | — | 50 | ~1880 |
| Peter Umm | Son | — | 15 | ~1915 |
Census Appearances
1930
Kings, New …
Head, age 51
Kings, New York · implied b. ~1879 — 28 household members
| Surname | Maher |
| Given Name | John A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | New York |
| Age at First Marriage | 27 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Banker |
| Industry | Bank |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 10000 |
| Radio Set | R |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Kings-County, New …
Other, age 59
Kings-County, New York · implied b. ~1881 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mahar |
| Given Name | John A |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Brooklyn |
| 1935 Residence (County) | Kings |
| Occupation | Machinist |
| Industry | Electrical Prod |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1500 |
| Highest Grade | H 8 |
| 1935 Residence | Same Place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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.
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This person
Anchor record
John Maher
Head · 1930 · age 51 · b. ~1879 · New York
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Kings, New York
Open full size
1930 US Federal Census — Kings, New York
Page Contents
28 people indexed on this census page (ia:1930:newyorkcensus00reel1495:0508)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John A Maher THIS PERSON | 51 | Head | Banker | New York |
| 52 | Helen M Maher | 45 | Wife | — | New York |
| 53 | Ellen Campbell | 53 | H | — | New York |
| 54 | George A Campbell | 27 | Son | Chauffeur | New York |
| 55 | William Campbell | 24 | Son | Clerk | New York |
| 56 | Florence Campbell | 22 | Daughter | Stenographer | New York |
| 57 | Clara Campbell | 19 | Daughter | Typist | New York |
| 58 | Howard Campbell | 17 | Son | Errand Boy | New York |
| 59 | Floyd Fowler | 37 | O | Chauffeur | North Carolina |
| 60 | Mollie Fowler | 34 | Wife | — | New York |
| 61 | Marie Fowler | 4 | Daughter | — | New York |
| 62 | Thomas Olsen | 62 | Boarder | Carpenter | Norway |
| 63 | Corinthia Olsen | 57 | Boarder | Policewoman | New York |
| 64 | George W Sullivan | 47 | O | Telegraph Plant | Maryland |
| 65 | Cecelia Sullivan | 43 | Wife | Clerk | New York |
| 66 | Peter Umm | 45 | O | Plumber | Ireland |
| 67 | Agnes Umm | 45 | Wife | — | Ireland |
| 68 | Vincent Umm | 17 | Son | — | New York |
| 69 | Peter Umm | 15 | Son | — | New York |
| 70 | John Umm | 12 | Son | — | New Jersey |
| 71 | Benny Rose | 42 | O | Welder | New York |
| 72 | Adaline Rose | 38 | Wife | Saleslady | Connecticut |
| 73 | William Rose | 17 | Son | Messenger | Illinois |
| 74 | Arthur Rose | 15 | Son | — | New York |
| 75 | Robert Rose | 13 | Son | — | New York |
| 76 | Elmer W Maony | 50 | O | Machinist | New York |
| 77 | Clara A Maony | 39 | Wife | — | New York |
| 78 | James Lafey | 18 | Stepson | Messenger | New York |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)