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John Mcnamara — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Kings, New York
Our Model Tree links this John Mcnamara across the 1920, 1930 and 1940 US Censuses in Kings, New York (XGBoost, ~Confirmed) — first a head (b.~1861), then head of a 5-person household.
Age 69
b. ~1861
Male
Head
Born: Ireland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Kings, New York |
| Surname | McNamara |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1886 |
| Age at First Marriage | 29 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Watchman |
| Industry | Dry Dock |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Irish |
| Home Owned/Rented | R |
| Home Value / Rent | 25 |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Watchman |
| Township / Ward | Borough Brooklyn |
| Est. Birth Year | ~1861 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Mcnamara | Head | — | 69 | ~1861 |
| Julia Mcnamara | Other | — | 70 | ~1860 |
| Herbert Mcnamara | Son | — | 34 | ~1896 |
| John Mcnamara | Son | — | 40 | ~1890 |
| Nellie Mcnamara | Spouse | — | 65 | ~1865 |
Census Appearances
1920
Kings, New …
Other, age 57
Kings, New York · implied b. ~1863 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McNamara |
| Given Name | John |
| Relationship to Head | Brother-in-law |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1879 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Clerk |
| Industry | Dept. Store |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Year of Naturalization | 1885 |
| Birthplace (normalized) | ireland |
1930
Kings, New …
Head, age 69
Kings, New York · implied b. ~1861 — 5 household members
| Surname | McNamara |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1886 |
| Age at First Marriage | 29 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Watchman |
| Industry | Dry Dock |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Irish |
| Home Owned/Rented | R |
| Home Value / Rent | 25 |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Kings-County, New …
Other, age 80
Kings-County, New York · implied b. ~1860 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McNamara |
| Given Name | John |
| Relationship to Head | Father |
| Sex | M |
| Color / Race | White |
| Age | 80 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | New York |
| 1935 Residence (County) | Kings |
| Naturalization Status | Naturalized |
| Occupation | Retired |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same House |
| 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 Mcnamara 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 Mcnamara
Head · 1930 · age 69 · b. ~1861 · 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
48 people indexed on this census page (ia:1930:newyorkcensus00reel1535rs:0052)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 53 | John Mcnamara THIS PERSON | 69 | Head | Watchman | Ireland |
| 54 | Nellie Mcnamara | 65 | Wife | — | Ireland |
| 55 | John Mcnamara | 40 | Son | — | New York |
| 56 | Herbert Mcnamara | 34 | Son | — | New York |
| 57 | Julia Mcnamara | 70 | Mother | — | Ireland |
| 58 | Thomas Dunn | 36 | Head | — | New York |
| 59 | Elizabeth Dunn | 32 | Wife | — | New York |
| 60 | Anna Dunn | 5 | Daughter | — | New York |
| 61 | Thomas Dunn | 0 | Son | — | New York |
| 62 | Margaret Dunn | 28 | Sister | Machinist | New York |
| 63 | William Dunn | 10 | Step Son | — | New York |
| 64 | Joseph Dunn | 3 | Step Son | — | New York |
| 65 | Thomas Dunsops | 32 | Head | — | New York |
| 66 | Catherine Dunsops | 32 | Wife | — | New York |
| 67 | Thomas Dunsops | 4 | Son | — | New York |
| 68 | James Dunsops | 2 | Son | — | New York |
| 69 | John Dunsops | 0 | Son | — | New York |
| 70 | John Lusa | 51 | Head | Fireman | Austria |
| 71 | Agatha Lusa | 55 | Wife | — | Austria |
| 72 | Agatha Lusa | 18 | Daughter | — | New York |
| 73 | Frances Lusa | 15 | Daughter | — | New York |
| 74 | William Lusa | 13 | Son | — | New York |
| 75 | Amelia Lusa | 11 | Daughter | — | New York |
| 76 | Michael Lusa | 9 | Son | — | New York |
| 77 | Anna Lusa | 7 | Daughter | — | New York |
| 78 | Constance Lusa | 5 | Daughter | — | New York |
| 79 | Marie Lusa | 3 | Daughter | — | New York |
| 80 | Elizabeth Dunn | 56 | Head | — | Italy |
| 81 | John Dunn | 32 | Son | Iron Worker | New York |
| 82 | Helen Dunn | 23 | Daughter | — | New York |
| 83 | Angela Dunn | 17 | Daughter | — | New York |
| 84 | John Dunn | 60 | Head | Blacksmith | Germany |
| 85 | Anna Dunn | 61 | Wife | — | Germany |
| 86 | George Ohlhauser | 66 | Head | Conductor | Germany |
| 87 | Johanna Ohlhauser | 57 | Sister | — | Germany |
| 88 | John Ohlhauser | 23 | Son | Salesman | New York |
| 89 | John Bennett | 49 | Head | Laborer | New York |
| 90 | Elizabeth Bennett | 49 | Wife | — | New York |
| 91 | William Bennett | 26 | Son | Manager | New York |
| 92 | Alice Bennett | 22 | Daughter | — | New York |
| 93 | John Bennett | 18 | Son | Clerk | New York |
| 94 | James Bennett | 15 | Son | — | New York |
| 95 | Hugh Marden | 52 | Head | Engineer | England |
| 96 | Catherine Marden | 47 | Wife | Clerk | England |
| 97 | Hugh Marden | 18 | Son | Messenger | England |
| 98 | Elizabeth Marden | 15 | Daughter | — | England |
| 99 | Catherine Marden | 10 | Daughter | — | England |
| 100 | William Marden | 8 | Son | — | England |
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)