MC
Mary Carr — 1940 US Census Record
Model Tree available1940 United States Federal Census · Providence-County, Rhode Island
Our Model Tree links this Mary Carr across the 1920, 1930 and 1940 US Censuses in Providence-County, Rhode Island (XGBoost, ~Confirmed), with identified parents Thomas & Charles — first a daughter (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Female
Daughter
Born: Rhode Island
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Providence-County, Rhode Island |
| Surname | Carr |
| Given Name | Mary B. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| 1935 Residence (City) | PROVIDENCE CITY |
| 1935 Residence (County) | PROVIDENCE |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | C 3 |
| 1935 Residence | Same place |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
| Township / Ward | Providence City |
| Est. Birth Year | ~1917 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Carr | Daughter | — | 23 | ~1917 |
| Mildred Carr | Daughter | — | 30 | ~1910 |
| Alice Carr | Daughter | — | 29 | ~1911 |
| George Carr | Head | — | 57 | ~1883 |
| Nellie Carr | Spouse | — | 54 | ~1886 |
Census Appearances
1920
Providence, Rhode …
Daughter, age 4
Providence, Rhode Island · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carr |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | Rhode Island |
| Occupation | none |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1930
Providence, Rhode …
Daughter, age 14
Providence, Rhode Island · implied b. ~1916 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carr |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | Rhode Island |
| Can Read/Write | Yes |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1940
Providence-County, Rhode …
Daughter, age 23
Providence-County, Rhode Island · implied b. ~1917 — 5 household members
| Surname | Carr |
| Given Name | Mary B. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| 1935 Residence (City) | PROVIDENCE CITY |
| 1935 Residence (County) | PROVIDENCE |
| Class of Worker | 0 |
| Highest Grade | C 3 |
| 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 Carr across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Carr (~0.92 confidence) and father Charles Carr (~0.92 confidence) and mother Mary Carr (~0.92 confidence) and father George Carr (~0.92 confidence) and mother Nellie Carr (~0.92 confidence) and mother Sarah Carr (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Carr
b. ~1872
Source father
● Household
· direct · ~0.92
Father
Charles Carr
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Mary Carr
b. ~1882
Source mother
● Household
· direct · ~0.92
Father
George Carr
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Nellie Carr
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Sarah Carr
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Carr
Daughter · 1940 · age 23 · b. ~1917 · Rhode Island
★ You are viewing this record
Sibling
Mildred Carr
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Carr
Sibling · 1940 · age 29
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
40 people indexed on this census page (nara:1940:m-t0627-03774-00417)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dorothy L. Kolt | 8 | Daughter | — | Illinois |
| 2 | Sandra J. Kolt | 6 | Daughter | — | Rhode Island |
| 3 | Ada Bryan | 53 | Maid | Maid | England |
| 4 | Andrew Wolfinger | 73 | Head | Owner & Operator | Scotland |
| 5 | Sophia J. Wolfinger | 49 | Wife | — | Rhode Island |
| 6 | James Kelley | 69 | Head | — | Rhode Island |
| 7 | Elizabeth Kelley | 64 | Wife | — | New Hampshire |
| 8 | Helen E. Kelley | 39 | Daughter | School Teacher | Rhode Island |
| 9 | Edward Robinson | 47 | Head | Proprietor | Rhode Island |
| 10 | Lena Robinson | 43 | Wife | — | Rhode Island |
| 11 | Charlotte Robinson | 21 | Daughter | — | Rhode Island |
| 12 | Jean Robinson | 14 | Daughter | — | Rhode Island |
| 13 | Francis L. Duncombe | 53 | Head | Treasurer | Tennessee |
| 14 | Harriet L. Duncombe | 44 | Wife | — | Rhode Island |
| 15 | Mary H. Duncombe | 17 | Daughter | — | Rhode Island |
| 16 | George H. Carr | 57 | Head | — | Rhode Island |
| 17 | Nellie E. Carr | 54 | Wife | — | Rhode Island |
| 18 | Mildred R. Carr | 30 | Daughter | School Teacher | Rhode Island |
| 19 | Alice B. Carr | 29 | Daughter | Store Clerk | Rhode Island |
| 20 | Mary B. Carr THIS PERSON | 23 | Daughter | — | Rhode Island |
| 21 | Robert W. Wakefield | 53 | Head | Store Owner | New York |
| 22 | Alton Leroy Wakefield | 38 | Son-in-law | Owner & Operator | Rhode Island |
| 23 | Helen Wakefield | 29 | Daughter | — | New York |
| 24 | Robert Wakefield | 4 | Grandson | — | Rhode Island |
| 25 | George H. Kerr | 59 | Head | Office Manager | Ohio |
| 26 | Ruth P. Kerr | 54 | Wife | — | Massachusetts |
| 27 | Paul B. Kerr | 20 | Son | — | Rhode Island |
| 28 | Richard H. Hornedy | 69 | Head | — | Eire |
| 29 | Nora Hornedy | 63 | Wife | — | Eire |
| 30 | Kathleen M. Hornedy | 31 | Daughter | School Teacher | Rhode Island |
| 31 | Julia E. Hornedy | 28 | Daughter | School Teacher | Rhode Island |
| 32 | Edward Brummchan | 43 | Head | Manager | Rhode Island |
| 33 | Marion E. Brummchan | 41 | Wife | — | Rhode Island |
| 34 | Virginia Brummchan | 18 | Daughter | — | Rhode Island |
| 35 | Edith Brummchan | 15 | Daughter | — | Rhode Island |
| 36 | Jas. W. Knight | 51 | Head | Electrical Engineer | Rhode Island |
| 37 | Christina Knight | 42 | Wife | — | Rhode Island |
| 38 | Richard Knight | 20 | Son | — | Rhode Island |
| 39 | Charles E. Dudley | 65 | Head | Owner Store | Rhode Island |
| 40 | Harriet A. Dudley | 65 | Wife | — | Massachusetts |
Pedigree Summary
Mary + 2 siblings
Gen 1 · 6 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)