MS
Mary Shields — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kings-County, New York
Our Model Tree links this Mary Shields across the 1920, 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a head (b.~1861), then head of a 8-person household.
Age 79
b. ~1861
Female
Head
Born: New York
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | Shields |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 79 |
| Marital Status | Widowed |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | New York City |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Ellen Stoops | Other | — | 43 | ~1897 |
| Grace Shields | Other | — | 46 | ~1894 |
| James Shields | Other | — | 21 | ~1919 |
| Delores Shields | Other | — | 16 | ~1924 |
| Maria Stoops | Other | — | 76 | ~1864 |
| James Shields | Son | — | 52 | ~1888 |
| Mary Shields | Head | — | 79 | ~1861 |
| William Shields | Son | — | 49 | ~1891 |
Census Appearances
1920
Kings, New …
Other, age 55
Kings, New York · implied b. ~1865 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shields |
| Given Name | Mary A |
| Relationship to Head | Sister |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Kings, New …
Head, age 70
Kings, New York · implied b. ~1860 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shields |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Ireland |
| Mother's Birthplace | New York |
| Occupation | Housekeeper |
| Industry | Home |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 8 |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Kings-County, New …
Head, age 79
Kings-County, New York · implied b. ~1861 — 8 household members
| Surname | Shields |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 79 |
| Marital Status | Widowed |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Highest Grade | No 4 |
| 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 Mary Shields 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 Shields
Head · 1940 · age 79 · 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
1940 US Federal Census — Kings-County, New York
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1940 US Federal Census — Kings-County, New York
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02577-00527)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Christianson | None | — | — | — |
| 42 | Isabelle Mcivor | 55 | Head | — | New York |
| 43 | Dwight Mcivor | 25 | Son | Miller | New Jersey |
| 44 | John Griffith | 60 | Brother | Inspector | New York |
| 45 | Marie Griffith | 42 | Sister | — | New York |
| 46 | Joseph Maschin | 54 | Head | Architect | Maryland |
| 47 | Esther Maschin | 50 | Wife | Voice Teacher | Pennsylvania |
| 48 | Mabel Smith | 45 | Head | Instructor | New York |
| 49 | Lester Kitten | 37 | Head | Clerk | New York |
| 50 | Marguerite Pitten | 38 | Wife | Teacher | New York |
| 52 | Celia Bassett | 49 | Lodger | — | Maryland |
| 53 | Madalyn Bassett | 29 | Lodger | Comptometer | New York |
| 54 | Charles Brown | 35 | Head | Dye Helper | Tennessee |
| 55 | Dorothy Brown | 25 | Wife | — | Pennsylvania |
| 56 | Delores Brown | 1 | Daughter | — | — |
| 57 | Arthur Brush | 23 | Head | Counter Man | New York |
| 58 | Margaret Brush | 24 | Wife | — | Pennsylvania |
| 59 | Robert Brush | 0 | Son | — | — |
| 60 | Wilma Carver | 60 | Lodger | — | Indiana |
| 61 | Norman Peck | 30 | Head | Cutter | Austria |
| 62 | John Peck | 28 | Brother | Mechanic | Austria |
| 63 | Samuel Kervin | 52 | Lodger | Salesman | Russia |
| 64 | Lindley Murray | 24 | Head | Clerk | New York |
| 65 | Jacqueline Murray | 24 | Wife | — | New York |
| 66 | Lindley Jr. Murray | 1 | Son | — | — |
| 67 | Rudolph Russell | 37 | Head | Model Maker | New York |
| 68 | Ruth Russell | 35 | Wife | Secretary | New York |
| 69 | Robert Hubrich | 50 | Lodger | Commercial Artist | New York |
| 70 | Margaret Oppenhuber | 54 | Lodger | Clerk | New York |
| 71 | Mary T. Lynch | 70 | Head | — | New York |
| 72 | Margaret R. Lynch | 55 | Sister | — | New York |
| 73 | Mary Shields THIS PERSON | 79 | Head | — | New York |
| 74 | William Shields | 49 | Son | Doctor | New York |
| 75 | James Shields | 52 | Son | Doctor | New York |
| 76 | Grace Shields | 46 | Daughter in law | — | New York |
| 77 | James Jr. Shields | 21 | Grandson | — | New York |
| 78 | Delores Shields | 16 | Granddaughter | — | New York |
| 79 | Maria Stoops | 76 | Sister | — | New York |
| 80 | Ellen Stoops | 43 | Niece | Secretary | New York |
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)