MD
Mary Dwyer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Providence-County, Rhode Island
Our Model Tree links this Mary Dwyer across the 1930 and 1940 US Censuses in Providence-County, Rhode Island (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 14-person household.
Age 16
b. ~1924
Female
Daughter
Born: Rhode Island
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Providence-County, Rhode Island |
| Surname | Dwyer |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Providence city |
| 1935 Residence (County) | Providence |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H 7 |
| 1935 Residence | Same place |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
| Township / Ward | Providence City |
| Est. Birth Year | ~1924 |
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.
14 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Rita Dwyer | Daughter | — | 20 | ~1920 |
| Thomas Dwyer | Son | — | 16 | ~1924 |
| Rosella Dwyer | Daughter | — | 7 | ~1933 |
| Katherine Dwyer | Spouse | — | 48 | ~1892 |
| Patricia Dwyer | Daughter | — | 4 | ~1936 |
| Andrew Dwyer | Son | — | 11 | ~1929 |
| Lawrence Dwyer | Son | — | 14 | ~1926 |
| Lillian Dwyer | Daughter | — | 23 | ~1917 |
| James Dwyer | Head | — | 56 | ~1884 |
| Mary Dwyer | Daughter | — | 16 | ~1924 |
| Theresa Dwyer | Daughter | — | 12 | ~1928 |
| Joseph Dwyer | Son | — | 9 | ~1931 |
| James Dwyer | Son | — | 25 | ~1915 |
| Helen Dwyer | Daughter | — | 18 | ~1922 |
Census Appearances
1930
Providence, Rhode …
Daughter, age 6
Providence, Rhode Island · implied b. ~1924 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dwyer |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | Rhode Island |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1940
Providence-County, Rhode …
Daughter, age 16
Providence-County, Rhode Island · implied b. ~1924 — 14 household members
| Surname | Dwyer |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Providence city |
| 1935 Residence (County) | Providence |
| Income (1939) | 0 |
| Highest Grade | H 7 |
| 1935 Residence | Same place |
| 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 Dwyer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Dwyer
Daughter · 1940 · age 16 · b. ~1924 · Rhode Island
★ You are viewing this record
Sibling
Rosella Dwyer
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Dwyer
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Andrew Dwyer
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Dwyer
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rita Dwyer
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Dwyer
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Dwyer
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theresa Dwyer
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Dwyer
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Dwyer
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Dwyer
Sibling · 1940 · age 25
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 — Providence-County, Rhode Island
Open full size
1940 US Federal Census — Providence-County, Rhode Island
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-03775-00333)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Cornelius Mcmahon | 55 | Head | Florist | Irish Free State |
| 2 | Mary O Mcmahon | 60 | Wife | — | Irish Free State |
| 3 | Frank C Mcmahon | 31 | Son | Office Clerk | Rhode Island |
| 4 | Mary J Henry | 28 | Head | — | Rhode Island |
| 5 | Patrick J Henry | 5 | Daughter | — | Rhode Island |
| 6 | Frances O Cibon | 50 | Head | Floor Lady | Rhode Island |
| 7 | Anna Cibon | 17 | Daughter | Servant | Rhode Island |
| 8 | Catherine Cibon | 13 | Daughter | — | Rhode Island |
| 10 | James B Dwyer | 56 | Head | Tally Man | Rhode Island |
| 11 | Katherine E Dwyer | 48 | Wife | — | Rhode Island |
| 12 | James B Jr Dwyer | 25 | Son | Counterman | Rhode Island |
| 13 | Lillian Dwyer | 23 | Daughter | Waitress | Rhode Island |
| 15 | Rita C Dwyer | 20 | Daughter | Domestic | Rhode Island |
| 16 | Helen E Dwyer | 18 | Daughter | Waitress | Rhode Island |
| 17 | Thomas Dwyer | 16 | Son | — | Rhode Island |
| 18 | Mary A Dwyer THIS PERSON | 16 | Daughter | — | Rhode Island |
| 19 | Lawrence G Dwyer | 14 | Son | — | Rhode Island |
| 20 | Theresa V Dwyer | 12 | Daughter | — | Rhode Island |
| 21 | Andrew Dwyer | 11 | Son | — | Rhode Island |
| 22 | Joseph A Dwyer | 9 | Son | — | Rhode Island |
| 23 | Rosella Dwyer | 7 | Daughter | — | Rhode Island |
| 24 | Patricia A Dwyer | 4 | Daughter | — | Rhode Island |
| 25 | Alfred W French | 64 | Head | Machinist | Massachusetts |
| 26 | Charlotte W French | 66 | Wife | — | Canada-English |
| 27 | Laura Mclellan | 67 | Head | — | Maine |
| 28 | Jacob Sullivan | 39 | Son-in-law | Salesman | Russia |
| 29 | Rose Sullivan | 30 | Daughter | Warper | Maine |
| 30 | Dahes Vartanian | 50 | Head | Wire Drawer | Armenia |
| 31 | Horopama Vartanian | 46 | Wife | — | Turkey |
| 32 | Lucy Vartanian | 16 | Daughter | — | Rhode Island |
| 33 | Osh Vartanian | 13 | Daughter | — | Rhode Island |
| 34 | Mourad Vartanian | 7 | Son | — | Rhode Island |
| 35 | Lloyd Lane | 23 | Head | Machinist | Pennsylvania |
| 36 | Anna Lane | 21 | Wife | — | Connecticut |
| 37 | Jessie O Robertson | 54 | Head | — | Scotland |
| 38 | George Robertson | 25 | Son | Bench Hand | Rhode Island |
| 39 | Catherine Robertson | 15 | Daughter | — | Rhode Island |
| 40 | William H Johnson | 46 | Head | Mgr. | Scotland |
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)