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Mary Mack — 1940 US Census Record
Model Tree available1940 United States Federal Census · Newport-County, Rhode Island
Our Model Tree links this Mary Mack across the 1920, 1930 and 1940 US Censuses in Newport-County, Rhode Island (XGBoost, ~Confirmed), with identified parents Cornelius & Bridget — first a daughter (b.~1914), then head of a 6-person household.
Age 26
b. ~1914
Female
Daughter
Born: Rhode Island
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Newport-County, Rhode Island |
| Surname | Mack |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Newport City |
| 1935 Residence (County) | Newport |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Coal Company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 600 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
| Occupation | Bookkeeper |
| Township / Ward | Newport City |
| Est. Birth Year | ~1914 |
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 |
|---|---|---|---|---|
| Mary Mack | Daughter | — | 26 | ~1914 |
| Mary Mack | Other | — | 64 | ~1876 |
| Catherine Mack | Other | — | 55 | ~1885 |
| Connie Mack | Head | — | 57 | ~1883 |
| Abbie Mack | Daughter | — | 23 | ~1917 |
| Bridget Mack | Other | — | 59 | ~1881 |
Census Appearances
1920
Newport, Rhode …
Daughter, age 6
Newport, Rhode Island · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mack |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1930
Newport, Rhode …
Daughter, age 16
Newport, Rhode Island · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mack |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1940
Newport-County, Rhode …
Daughter, age 26
Newport-County, Rhode Island · implied b. ~1914 — 6 household members
| Surname | Mack |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Newport City |
| 1935 Residence (County) | Newport |
| Occupation | Bookkeeper |
| Industry | Coal Company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 600 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
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 Mack across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Cornelius Mack (~0.92 confidence) and mother Bridget Mack (~0.92 confidence) and father Connie Mack (~0.92 confidence) and mother Bridget Mack (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Cornelius Mack
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Bridget Mack
b. ~1883
Source mother
● Household
· direct · ~0.92
Father
Connie Mack
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Bridget Mack
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Mack
Daughter · 1940 · age 26 · b. ~1914 · Rhode Island
★ You are viewing this record
Sibling
Abbie Mack
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Newport-County, Rhode Island
Open full size
1940 US Federal Census — Newport-County, Rhode Island
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03760-00582)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary G. Horgan | 45 | Head | School Teacher | Rhode Island |
| 2 | James J. Horgan | 47 | Brother | Laborer | Rhode Island |
| 3 | Mary A. Sullivan | 86 | Cousin | — | Eire |
| 4 | Charles H. James | 46 | Head | Machinist Helper | Rhode Island |
| 5 | Ellen James | 46 | Wife | — | Rhode Island |
| 6 | Walter James | 44 | Brother | Driver | Rhode Island |
| 7 | James J. Mc Carthy | 61 | Head | Bartender | Eire |
| 8 | Mary H. Mc Carthy | 52 | Wife | — | Eire |
| 9 | Margaret Monahan | 63 | Head | — | Wales |
| 10 | Irving Catherine | 20 | Head | Helper | Ohio |
| 11 | Elizabeth Catherine | 17 | Wife | — | Rhode Island |
| 12 | Sarah Catherine | 0 | Daughter | — | Rhode Island |
| 13 | George Gallipeau | 44 | Head | Carpenter | Massachusetts |
| 14 | Mary Gallipeau | 34 | Wife | — | Rhode Island |
| 15 | George W. Gallipeau | 16 | Son | — | Rhode Island |
| 16 | Joseph F. Gallipeau | 15 | Son | — | Rhode Island |
| 17 | John F. Gallipeau | 12 | Son | — | Rhode Island |
| 18 | Guy H. Gallipeau | 11 | Son | — | Rhode Island |
| 19 | Mary Townsend | 85 | Head | — | Massachusetts |
| 20 | Connie Mack | 57 | Head | Watchman | Eire |
| 21 | Mary Mack THIS PERSON | 26 | Daughter | Bookkeeper | Rhode Island |
| 22 | Abbie Mack | 23 | Daughter | Sales Lady | Rhode Island |
| 23 | Mary Mack | 64 | Sister | Cook | Eire |
| 24 | Bridget Mack | 59 | Sister | — | Eire |
| 25 | Catherine Mack | 55 | Sister | Maid | Eire |
| 26 | Anna M. Grubbs | 42 | Head | Inspector | Rhode Island |
| 27 | Mary E. Grubbs | 17 | Daughter | — | Rhode Island |
| 28 | Catherine Burns | 52 | Sister | Cook | Eire |
| 29 | John J. O'Loughlin | 43 | Head | Bookkeeper | Rhode Island |
| 30 | Marion O'Loughlin | 41 | Wife | — | Massachusetts |
| 31 | Francis O'Loughlin | 18 | Daughter | — | Rhode Island |
| 32 | Gertrude O'Loughlin | 17 | Daughter | — | Rhode Island |
| 33 | Robert O'Loughlin | 14 | Son | — | Rhode Island |
| 34 | James C. Brannigan | 50 | Head | Machinist | Rhode Island |
| 35 | Mary Brannigan | 45 | Wife | — | Rhode Island |
| 36 | Anna Brannigan | 17 | Daughter | — | Rhode Island |
| 37 | James Brannigan | 15 | Son | — | Rhode Island |
| 38 | Chester Oakley | 56 | Head | Ordnance Man | Rhode Island |
| 39 | Mary E. Oakley | 55 | Wife | — | Rhode Island |
| 40 | Chester A. Oakley | 32 | Son | Law Student | Rhode Island |
Pedigree Summary
Mary + 1 sibling
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)