MC
Margaret Callahan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Providence-County, Rhode Island
Our Model Tree links this Margaret Callahan across the 1920, 1930 and 1940 US Censuses in Providence-County, Rhode Island (XGBoost, ~Confirmed) — first a head (b.~1868), then head of a 4-person household.
Age 72
b. ~1868
Female
Head
Born: Rhode Island
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Providence-County, Rhode Island |
| Surname | Callahan |
| Given Name | Margaret |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 72 |
| Marital Status | Widowed |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Providence |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Rhode Island |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
| Township / Ward | East Providence |
| Est. Birth Year | ~1868 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Callahan | Head | — | 72 | ~1868 |
| Howard Callahan | Son | — | 46 | ~1894 |
| Evelyn Tiernan | Other | — | 36 | ~1904 |
| Mary Holmes | Other | — | 74 | ~1866 |
Census Appearances
1920
Providence, Rhode …
Spouse, age 51
Providence, Rhode Island · implied b. ~1869 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Callahan |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1930
Providence, Rhode …
Head, age 62
Providence, Rhode Island · implied b. ~1868 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Callahan |
| Given Name | Margaret |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Widowed |
| Birthplace | Rhode Island |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 4000 |
| Radio Set | R |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1940
Providence-County, Rhode …
Head, age 72
Providence-County, Rhode Island · implied b. ~1868 — 4 household members
| Surname | Callahan |
| Given Name | Margaret |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 72 |
| Marital Status | Widowed |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Providence |
| Highest Grade | No 6 |
| 1935 Residence | Rhode Island |
| 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 Margaret Callahan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Margaret Callahan
Head · 1940 · age 72 · b. ~1868 · Rhode Island
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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 — 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-t0627-03765-00308)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Robert C. Karnes | 68 | Head | Police Inspector | Virginia |
| 42 | Fannie L. Karnes | 66 | Wife | — | Virginia |
| 43 | Ida M. Williams | 58 | Sister-in-law | — | Virginia |
| 44 | Mystic Burton | 65 | Lodger | — | Virginia |
| 45 | John V. Corbett | 69 | Lodger | Railroad Policeman | New York |
| 46 | Margaret Callahan THIS PERSON | 72 | Head | — | Rhode Island |
| 47 | Howard B. Callahan | 46 | Son | Receiving Clerk | Rhode Island |
| 48 | Evelyn Tiernan | 36 | Niece | Cashier | Rhode Island |
| 49 | Mary Holmes | 74 | Lodger | — | Connecticut |
| 50 | Joseph Ward | 65 | Head | — | Ireland |
| 51 | Emma Ward | 65 | Wife | — | Massachusetts |
| 52 | Floyd A. Rice | 57 | Head | Accountant | Massachusetts |
| 53 | Ella Rice | 50 | Wife | — | Massachusetts |
| 54 | Alice Drew | 70 | Mother-in-law | — | Massachusetts |
| 55 | Joseph Auclair | 15 | Lodger | — | New York |
| 56 | Peter Arzouyan | 43 | Head | Factory Proprietor | Armenia |
| 57 | Angela Arzouyan | 41 | Wife | — | Armenia |
| 58 | Elizabeth Arzouyan | 18 | Daughter | — | Rhode Island |
| 59 | Robert Arzouyan | 16 | Son | — | Rhode Island |
| 60 | Doris Arzouyan | 7 | Daughter | — | Rhode Island |
| 61 | Matthew Mcmahon | 65 | Head | Damaged Goods Salesman | Rhode Island |
| 62 | Agnes Mcmahon | 61 | Wife | — | Ireland |
| 63 | Frances Mcmahon | 30 | Daughter | Switchboard Operator | Rhode Island |
| 64 | Charles Mcmahon | 27 | Son | Proprietor | Rhode Island |
| 65 | Richard Mcmahon | 22 | Son | Truck Driver | Rhode Island |
| 66 | William Gilmore | 62 | Head | — | England |
| 67 | Alice Gilmore | 62 | Wife | — | Rhode Island |
| 68 | Catherine Donnelly | 73 | Head | — | Rhode Island |
| 69 | Catherine Donnelly | 34 | Daughter | Waitress | Rhode Island |
| 70 | Isabel R. Donnelly | 32 | Daughter | Stenographer | Rhode Island |
| 71 | Joseph Marshall | 34 | Head | Clerk & Checker | Massachusetts |
| 72 | Mary Marshall | 33 | Wife | — | Massachusetts |
| 73 | John B. Carpenter | 61 | Head | Real Estate | Rhode Island |
| 74 | Lois P. Carpenter | 57 | Wife | — | Rhode Island |
| 75 | Joseph Stephenson | 28 | Head | Painter | Rhode Island |
| 76 | Annie Stephenson | 36 | Wife | Housework | New Hampshire |
| 77 | Alfred Marshall | 23 | Head | Mechanic | Rhode Island |
| 78 | Lillian Marshall | 23 | Wife | — | Rhode Island |
| 79 | Sadie Simmons | 60 | Head | Housekeeper | California |
| 80 | Arthur Copeland | 33 | Son | Musician | Massachusetts |
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)