MC
Margaret Clark — 1940 US Census Record
Linked across censuses1940 United States Federal Census · New-York-County, New York
Our Model Tree links this Margaret Clark across the 1920, 1930 and 1940 US Censuses in New-York-County, New York (XGBoost, ~Confirmed) — first a head (b.~1890), then head of a 3-person household.
Age 50
b. ~1890
Female
Head
Born: Ireland
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | New-York-County, New York |
| Surname | Clark |
| Given Name | Margaret |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | New York |
| 1935 Residence (County) | New York |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Housekeeper |
| Highest Grade | 3 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Housekeeper |
| Township / Ward | New York |
| Est. Birth Year | ~1890 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Clark | Head | — | 50 | ~1890 |
| David Clark | Son | — | 19 | ~1921 |
| Philip Clark | Son | — | 21 | ~1919 |
Census Appearances
1920
New York, …
Spouse, age 28
New York, New York · implied b. ~1892 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1911 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Year of Naturalization | 1917 |
| Birthplace (normalized) | ireland |
Spouse, age 40
New York, New York · implied b. ~1890 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Age at First Marriage | 20 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Housewife |
| Industry | none |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
New-York-County, New …
Head, age 50
New-York-County, New York · implied b. ~1890 — 3 household members
| Surname | Clark |
| Given Name | Margaret |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | New York |
| 1935 Residence (County) | New York |
| Naturalization Status | Naturalized |
| Occupation | Housekeeper |
| Highest Grade | 3 |
| 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 Margaret Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Margaret Clark
Head · 1940 · age 50 · b. ~1890 · 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 — New-York-County, New York
Open full size
1940 US Federal Census — New-York-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02648-00445)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Adolph Lund | 66 | Lodger | Chef | Germany |
| 2 | Julia Cristo | 29 | Lodger | Dress Maker | Puerto Rico |
| 3 | Ende Hess | 44 | Lodger | — | Germany |
| 4 | George Hughes | 22 | Son | Sales Person | New York |
| 5 | Catherine Hughes | 20 | Daughter | Housekeeper | New York |
| 6 | Philip Murphy | 70 | Head | Retired | Ireland |
| 7 | James Hughes | 35 | Son | Printer | New York |
| 8 | John Hughes | 35 | Son | Ice Driver | New York |
| 9 | Marie Hughes | 33 | Daughter | Clerk | New York |
| 10 | William Jansen | 44 | Head | Traffic Clerk | New York |
| 11 | Minnie Jansen | 41 | Wife | Housekeeper | Washington D.C. |
| 12 | Alice Roche | 39 | Head | Housekeeper | New York |
| 13 | Joseph Roche | 14 | Son | Tile Setter | New York |
| 14 | Thomas Roche | 9 | Son | School | New York |
| 15 | John Roche | 6 | Son | — | New York |
| 16 | Eleanor Roche | 3 | Daughter | — | New York |
| 17 | Margaret Davidson | 5 | Niece | Schoolgirl | New York |
| 18 | Mary Davidson | 3 | Niece | Schoolgirl | New York |
| 19 | Mary Mckenna | 55 | Head | Office Cleaner | Ireland |
| 20 | John Mckenna | 30 | Son | Bartender | Ireland |
| 21 | Richard Mckenna | 23 | Son | Head Messenger | New York |
| 22 | Joseph Mckenna | 20 | Son | Elevator Operator | New York |
| 23 | Helen Mckenna | 18 | Daughter | Schoolgirl | New York |
| 24 | Rita Mckenna | 11 | Daughter | Schoolgirl | New York |
| 25 | James Mckenna | 12 | Son | Schoolboy | New York |
| 26 | Vincent Mckenna | 12 | Son | Schoolboy | New York |
| 27 | Eugene Mckenna | 7 | Son | Schoolboy | New York |
| 28 | Margaret Donohue | 50 | Head | Housekeeper | Ireland |
| 29 | Michael Donohue | 29 | Son | Card Punch | Ireland |
| 30 | Michael F. Donohue | 21 | Son | Book Binder | Ireland |
| 31 | Eam Donohue | 19 | Son | Shipping Clerk | New York |
| 32 | Kevin Donohue | 16 | Son | Schoolboy | New York |
| 33 | Mary Dolan | 55 | Head | Domestic Worker | Ireland |
| 34 | Helen Mchugh | 54 | Sister | Domestic Worker | Ireland |
| 35 | Barney Mctiernan | 54 | Lodger | Domestic Work | Ireland |
| 36 | Margaret Clark THIS PERSON | 50 | Head | Housekeeper | Ireland |
| 37 | Philip Clark | 21 | Son | Truck Driver | New York |
| 38 | David Clark | 19 | Son | Taxi Driver | New York |
| 39 | Dominic Vernazza | 52 | Head | Busboy | Italy |
| 40 | Sophie Vernazza | 46 | Wife | Housewife | Italy |
Related Census Records
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)