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Mary Mcdonnell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kings-County, New York
Our Model Tree links this Mary Mcdonnell across the 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a spouse (b.~1890), then head of a 6-person household.
Age 50
b. ~1890
Female
Spouse
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | McDonnell |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Naturalization Status | Alien |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | New York |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | New York City |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| James Mcdonnell | Head | — | 65 | ~1875 |
| Catherine Mcdonnell | Daughter | — | 20 | ~1920 |
| Anna Mcdonnell | Daughter | — | 23 | ~1917 |
| Mary Mcdonnell | Spouse | — | 50 | ~1890 |
| Helen Mcdonnell | Daughter | — | 11 | ~1929 |
| Mary Mcdonnell | Daughter | — | 22 | ~1918 |
Census Appearances
1930
Kings, New …
Spouse, age 40
Kings, New York · implied b. ~1890 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonald |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1905 |
| Age at First Marriage | 19 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Housewife |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Kings-County, New …
Spouse, age 50
Kings-County, New York · implied b. ~1890 — 6 household members
| Surname | McDonnell |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Naturalization Status | Alien |
| Highest Grade | No 7 |
| 1935 Residence | New York |
| 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 Mcdonnell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Mcdonnell
Spouse · 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 — Kings-County, New York
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1940 US Federal Census — Kings-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02600-00673)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William H. Lowe | 59 | Head | Attendant | Pennsylvania |
| 42 | Catherine E. Lowe | 55 | Wife | — | Pennsylvania |
| 43 | Robert Lowe | 20 | Son | Carpenter | Pennsylvania |
| 44 | Thomas Lowe | 18 | Son | Messenger | Pennsylvania |
| 45 | Jane Lowe | 13 | Daughter | — | Pennsylvania |
| 46 | William Christler | 26 | Son-in-law | Laborer | Pennsylvania |
| 47 | Dorothy Christler | 23 | Daughter | — | Pennsylvania |
| 48 | William Jr. Christler | 3 | Son-in-law | — | Pennsylvania |
| 49 | Eli Zubitsky | 43 | Head | Presser | Russia |
| 50 | Mollie Zubitsky | 39 | Wife | Clerk | Roumania |
| 51 | Sadie Zubitsky | 16 | Daughter | — | New York |
| 52 | Florence Zubitsky | 14 | Daughter | — | New York |
| 53 | Dorothy Zubitsky | 11 | Daughter | — | New York |
| 54 | Morris Zubitsky | 66 | Father | — | Russia |
| 55 | Mollie Zubitsky | 65 | Mother | — | Russia |
| 56 | Mary Mchugh | 55 | Head | — | Ireland |
| 57 | Margaret Mchugh | 25 | Daughter | Operator | New York |
| 58 | Florence Mchugh | 20 | Daughter | — | New York |
| 59 | Lillian Mchugh | 33 | Daughter | Operator | New York |
| 60 | James Mchugh | 31 | Son | Porter | New York |
| 61 | Eugene Mchugh | 19 | Son | Porter | New York |
| 62 | John Mchugh | 16 | Son | — | New York |
| 63 | Genevieve Mchugh | 14 | Daughter | — | New York |
| 64 | William Mchugh | 13 | Son | — | New York |
| 65 | Achilles Weifert | 51 | Head | Foreman | Belgium |
| 66 | Virginia Weifert | 41 | Wife | — | Holland |
| 67 | William Weifert | 19 | Son | Sign Painter | Michigan |
| 68 | Denis Healy | 34 | Head | Superintendent | Ireland |
| 69 | Mary Healy | 34 | Wife | — | England |
| 70 | Mary Jr. Healy | 13 | Daughter | — | England |
| 71 | Bridget Healy | 12 | Daughter | — | England |
| 72 | Kathleen Healy | 11 | Daughter | — | England |
| 73 | James Healy | 9 | Son | — | New York |
| 74 | John Healy | 3 | Son | — | New York |
| 75 | James Mcdonnell | 65 | Head | — | Ireland |
| 76 | Mary Mcdonnell THIS PERSON | 50 | Wife | — | Ireland |
| 77 | Anna Mcdonnell | 23 | Daughter | Stenographer | New York |
| 78 | Mary Mcdonnell | 22 | Daughter | Operator | New York |
| 79 | Catherine Mcdonnell | 20 | Daughter | Stenographer | New York |
| 80 | Helen Mcdonnell | 11 | Daughter | — | 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)