ME
Mary Ellis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Nassau-County, New York
Our Model Tree links this Mary Ellis across the 1920, 1930 and 1940 US Censuses in Nassau-County, New York (XGBoost, ~Confirmed) — first a spouse (b.~1888), then head of a 7-person household.
Age 52
b. ~1888
Female
Spouse
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Nassau-County, New York |
| Surname | Ellis |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Sea Cliff |
| 1935 Residence (County) | Nassau |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Sea Cliff |
| Est. Birth Year | ~1888 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Ellis | Daughter | — | 18 | ~1922 |
| Vincent Ellis | Head | — | 52 | ~1888 |
| William Ellis | Son | — | 26 | ~1914 |
| Vincent Ellis | Son | — | 27 | ~1913 |
| George Ellis | Son | — | 25 | ~1915 |
| Harold Ellis | Son | — | 16 | ~1924 |
| Mary Ellis | Spouse | — | 52 | ~1888 |
Census Appearances
Spouse, age 33
New York, New York · implied b. ~1887 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ellis |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1905 |
| 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 | 1911 |
| Birthplace (normalized) | ireland |
1930
Nassau, New …
Spouse, age 43
Nassau, New York · implied b. ~1887 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ellis |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1904 |
| Age at First Marriage | 25 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Veteran | No |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Nassau-County, New …
Spouse, age 52
Nassau-County, New York · implied b. ~1888 — 7 household members
| Surname | Ellis |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Sea Cliff |
| 1935 Residence (County) | Nassau |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| 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 Ellis across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Ellis
Spouse · 1940 · age 52 · b. ~1888 · New York
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Nassau-County, New York
Open full size
1940 US Federal Census — Nassau-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02693-00383)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Vida Margaret Leibinger|Leidinger | 37 | Daughter | Clerk | New York |
| 2 | Thomas Dallecio | 39 | Head | Sanitation | Italy |
| 3 | Frances Dallecio | 35 | Wife | — | Illinois |
| 4 | Anna Dallecio | 18 | Daughter | Finisher | Illinois |
| 5 | William Dallecio | 17 | Son | New Worker | New York |
| 6 | Mary Dallecio | 16 | Daughter | — | New York |
| 7 | Thomas Mcdonough | 39 | Head | — | New York |
| 8 | Esther M Mcdonough | 28 | Wife | — | New York |
| 9 | Charles Mcdonough | 20 | Brother | Driver | New York |
| 10 | Angier J Gallo | 51 | Head | Dealer | New York |
| 11 | Julia R Gallo | 35 | Wife | Nurse Registered | Virginia |
| 12 | Elizabeth L Gallo | 2 | Daughter | 0 | New York |
| 13 | Howard Schleecher | 37 | Head | Owner | Pennsylvania |
| 14 | Schleecher | 33 | Wife | — | Pennsylvania |
| 15 | Alexander G Mahay | 51 | Head | C.P.A. | New York |
| 16 | Marion S. Mahay | 50 | Wife | — | New York |
| 17 | Jean W Mahay | 22 | Daughter | File Clerk | New York |
| 18 | Alexander G. Elmail | 50 | Head | Mechanic | Scotland |
| 19 | Ida M Elmail | 45 | Wife | — | New York |
| 20 | Warren S. Elmail | 12 | Son | — | New York |
| 21 | Vincent C Ellis | 52 | Head | Tennis Professional | England |
| 22 | Mary E Ellis THIS PERSON | 52 | Wife | — | Ireland |
| 23 | Vincent Jr Ellis | 27 | Son | Proprietor | New York |
| 24 | William E Ellis | 26 | Son | Tennis Professional | New York |
| 25 | George J. Ellis | 25 | Son | Tennis Professional | New York |
| 26 | Mary C Ellis | 18 | Daughter | — | New York |
| 27 | Harold A Ellis | 16 | Son | — | New York |
| 28 | John S Kemp | 75 | Head | — | North Carolina |
| 29 | Margaret B Kemp | 74 | Wife | — | Canada English |
| 30 | Frank Picaro | 48 | Head | Barber | Italy |
| 31 | Ralph Picaro | 22 | Son | Laborer | New York |
| 32 | Frank Jr Picaro | 19 | Son | Barber | New York |
| 33 | Violet Picaro | 16 | Daughter | — | New York |
| 34 | Adeline Picaro | 14 | Daughter | — | New York |
| 35 | James Picaro | 12 | Son | — | New York |
| 36 | Robert Tedesco | 25 | Son-in-law | Chauffer | New York |
| 37 | Elvira Tedesco | 23 | Daughter | Beautician | New York |
| 38 | Robert Tedesco | 1 | Son | 0 | New York |
| 39 | Carl S Hallberg | 29 | Head | Locksmith | Sweden |
| 40 | Helen Hallberg | 26 | Wife | — | Eire |
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)