MC
Mary Campbell — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Kings, New York
Our Model Tree links this Mary Campbell across the 1920, 1930 and 1940 US Censuses in Kings, New York (XGBoost, ~Confirmed) — first a head (b.~1867), then head of a 8-person household.
Age 63
b. ~1867
Female
Head
Born: Ireland
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Kings, New York |
| Surname | Campbell |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1885 |
| Age at First Marriage | 18 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 65 |
| Radio Set | R |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | New York City Brooklyn Borough |
| Est. Birth Year | ~1867 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Margaret Monahan | Daughter | — | 39 | ~1891 |
| Beatrice Campbell | Daughter | — | 27 | ~1903 |
| Irene Campbell | Daughter | — | 33 | ~1897 |
| Mary Campbell | Head | — | 63 | ~1867 |
| Edward Monahan | Other | — | 11 | ~1919 |
| Anne Monahan | Other | — | 6 | ~1924 |
| Ruth Monahan | Other | — | 14 | ~1916 |
| George Campbell | Son | — | 33 | ~1897 |
Census Appearances
1920
Kings, New …
Head, age 49
Kings, New York · implied b. ~1871 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Year of Immigration | 1885 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| 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 | 1891 |
| Birthplace (normalized) | ireland |
1930
Kings, New …
Head, age 63
Kings, New York · implied b. ~1867 — 8 household members
| Surname | Campbell |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1885 |
| Age at First Marriage | 18 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 65 |
| Radio Set | R |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Kings-County, New …
Spouse, age 75
Kings-County, New York · implied b. ~1865 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 75 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Naturalization Status | Naturalized |
| Highest Grade | No 8 |
| 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 Mary Campbell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Campbell
Head · 1930 · age 63 · b. ~1867 · 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
50 people indexed on this census page (ia:1930:newyorkcensus00reel1514:1084)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harry H. Gorger | 47 | Head | Inspector | Ohio |
| 2 | Gertrude Gorger | 37 | Wife | — | Massachusetts |
| 3 | Gertrude Gorger | 16 | Daughter | Operator | New York |
| 4 | Harry Jr. Gorger | 10 | Son | — | New York |
| 5 | Charles J. Nelson | 39 | Boarder | Supt. Const. | New York |
| 6 | Daniel Clark | 43 | Head | Checker | New York |
| 7 | Mary Clark | 75 | Wife | Mother | Ireland |
| 8 | Joseph Clark | 21 | Son | Clerk | New York |
| 9 | Mary Clark | 19 | Daughter | Clerk | New York |
| 10 | Blanche Mitchell | 39 | Head | — | New York |
| 11 | Le Roy Mitchell | 24 | Son | Clerk | New York |
| 12 | John Mitchell | 23 | Son | Supervisor | New York |
| 13 | Olive Mitchell | 20 | Daughter | Clerk | New York |
| 14 | Helen Mitchell | 18 | Daughter | Clerk | New York |
| 15 | Dorothy Mitchell | 17 | Daughter | Clerk | New York |
| 16 | Frank Mitchell | 14 | Son | — | New York |
| 17 | Harry Morrison | 58 | Head | Retired | New York |
| 18 | Rose Morrison | 64 | Wife | — | New York |
| 19 | Evelyn Morrison | 29 | Daughter | Clerk | New York |
| 20 | Harold Morrison | 29 | Nephew | Clerk | New York |
| 21 | Ruth Morrison | 24 | Niece | Clerk | New York |
| 22 | Barbara Heyser | 74 | Sister-in-law | — | New York |
| 23 | Theresa Fimmel | 59 | Sister-in-law | — | New York |
| 24 | Grace Mcbride | 32 | Niece | Tel. Operator | New York |
| 25 | Sadie Tompkins | 50 | Head | — | New York |
| 26 | Irene Tompkins | 55 | Sister | Traffic Super. | New York |
| 27 | John Tompkins | 47 | Brother | Salesman | New York |
| 28 | Mary Campbell THIS PERSON | 63 | Head | — | Ireland |
| 29 | George Campbell | 33 | Son | Salvage Corp. | New York |
| 30 | Beatrice Campbell | 27 | Daughter | Operator | New York |
| 31 | Irene Campbell | 33 | Daughter | Confidential | New York |
| 32 | Margaret Monahan | 39 | Daughter | — | New York |
| 33 | Ruth Monahan | 14 | Granddaughter | — | New York |
| 34 | Anne Monahan | 6 | Granddaughter | — | New York |
| 35 | Edward Monahan | 11 | Grandson | — | New York |
| 36 | Sarah Gallagher | 62 | Head | Matron | Ireland Free State |
| 37 | Joseph Gallagher | 42 | Son | Driver | New York |
| 38 | John M. Gallagher | 31 | Relative | Captain | New York |
| 39 | Mary Mulroy | 44 | Head | — | New York |
| 40 | John Mulroy | 22 | Son | Helper | New York |
| 41 | James Mulroy | 14 | Son | — | New York |
| 42 | Joseph Mulroy | 11 | Son | — | New York |
| 43 | Marie Mulroy | 11 | Daughter | — | New York |
| 44 | Edward Walsh | 37 | Head | Patrolman | Irish Free State |
| 45 | Sabina Walsh | 32 | Wife | — | Irish Free State |
| 46 | Mary Walsh | 9 | Daughter | — | New York |
| 47 | Sabina Walsh | 6 | Daughter | — | New York |
| 48 | M. Dorothy Walsh | 2 | Daughter | — | New York |
| 49 | Patrick Walsh | 43 | Head | Clerk | Irish Free State |
| 50 | Bridget Walsh | 43 | Wife | — | Irish Free State |
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)