MH
Mary Hennessy — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Providence, Rhode Island
Our Model Tree links this Mary Hennessy across the 1920 and 1930 US Censuses in Providence, Rhode Island (XGBoost, ~Confirmed) — first a daughter (b.~1912), then head of a 7-person household.
Age 8
b. ~1912
Female
Daughter
Born: Rhode Island
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Providence, Rhode Island |
| Surname | Hennessy |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | Rhode Island |
| Additional Details | |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
| Township / Ward | Providence City |
| Est. Birth Year | ~1912 |
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 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Margaret Hennessy | Daughter | — | 2 | ~1918 |
| Helen Hennessy | Daughter | — | 5 | ~1915 |
| Mary Hennessy | Daughter | — | 8 | ~1912 |
| Mary Hennessy | Spouse | — | 40 | ~1880 |
| John Hennessy | Son | — | ~1920 | |
| Eugene Hennessy | Son | — | 6 | ~1914 |
| Eugene Hennessy | Head | — | 40 | ~1880 |
Census Appearances
1920
Providence, Rhode …
Daughter, age 8
Providence, Rhode Island · implied b. ~1912 — 7 household members
| Surname | Hennessy |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | Rhode Island |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1930
Providence, Rhode …
Daughter, age 18
Providence, Rhode Island · implied b. ~1912 — 31 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hennessey |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | Rhode Island |
| Occupation | Book-keeper |
| Industry | Adver. store |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 Hennessy across 2 US Census years (1920 and 1930) in Providence, Rhode Island, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Hennessy
Daughter · 1920 · age 8 · b. ~1912 · Rhode Island
★ You are viewing this record
Sibling
John Hennessy
Sibling · 1920 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Hennessy
Sibling · 1920 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Hennessy
Sibling · 1920 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Hennessy
Sibling · 1920 · age 6
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
1920 US Federal Census — Providence, Rhode Island
Open full size
1920 US Federal Census — Providence, Rhode Island
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1680unit:1144)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph E. Bayer | 29 | Head | Office Manager | Connecticut |
| 2 | Catherine E. Bayer | 29 | Wife | — | Rhode Island |
| 3 | Joseph E. 3Rd Bayer | 1 | Son | — | Rhode Island |
| 4 | Virginia Bayer | 0 | Daughter | — | Rhode Island |
| 5 | Mary L. Finnegan | 27 | Sister-in-law | Cashier | Rhode Island |
| 6 | Gertrude I. Finnegan | 23 | Sister-in-law | Book-Keeper | Rhode Island |
| 7 | John C. Finnegan | 21 | Brother-in-law | Freight Clerk | Rhode Island |
| 8 | Edward G. Finnegan | 17 | Brother-in-law | Shipping Clerk | Rhode Island |
| 9 | Thomas Edmonds | 64 | Head | Engineer | England |
| 10 | Eliza Edmonds | 62 | Wife | — | England |
| 11 | Isaac Smith | 44 | Boarder | Salesman | England |
| 12 | Samuel Kilburn | 27 | Boarder | Grinder | Rhode Island |
| 13 | Alphonse Schmitt | 61 | Head | Machinist | France |
| 14 | Mary C. Schmitt | 60 | Wife | — | France |
| 15 | Albert Schmitt | 32 | Son | Machinist | France |
| 16 | Marcel Schmitt | 27 | Son | Machinist | France |
| 17 | Merton F. O'Brien | 26 | Head | Office Manager | Rhode Island |
| 18 | Edna J. O'Brien | 26 | Wife | — | Rhode Island |
| 19 | Ethel I. O'Brien | 3 | Daughter | — | Rhode Island |
| 20 | Mary B. O'Brien | 2 | Daughter | — | Rhode Island |
| 21 | Elizabeth R. O'Brien | 0 | Daughter | — | Rhode Island |
| 22 | Francis J. Davison | 37 | Head | Sales Manager | Rhode Island |
| 23 | Elizabeth G. Davison | 37 | Wife | — | Rhode Island |
| 24 | Ellis N. Markham | 45 | Head | Foreman | Rhode Island |
| 25 | Emma C. Markham | 38 | Wife | — | Rhode Island |
| 26 | Thelma L. Board | 17 | Step-daughter | Operator | Rhode Island |
| 27 | Charles E. Barry | 30 | Head | Machinist | Rhode Island |
| 28 | Frances F. Barry | 30 | Wife | — | Rhode Island |
| 29 | Mildred B. Barry | 2 | Daughter | — | Rhode Island |
| 30 | William J. York | 64 | Father-in-law | Stock Clerk | Rhode Island |
| 31 | Walter J. York | 22 | Brother-in-law | Efficiency Engineer | Rhode Island |
| 32 | Martha R. York | 19 | Sister-in-law | Cost Clerk | Rhode Island |
| 33 | Duncan Mcgregor | 58 | Head | Salesman | Scotland |
| 34 | Mary J. Mcgregor | 54 | Wife | — | Canada |
| 35 | Mabel Mcgregor | 29 | Daughter | Book-Keeper | Rhode Island |
| 36 | Eugene J. Hennessy | 40 | Head | Machinist | Rhode Island |
| 37 | Mary E. Hennessy | 40 | Wife | — | Rhode Island |
| 38 | Mary E. Hennessy THIS PERSON | 8 | Daughter | — | Rhode Island |
| 39 | Eugene J. Jr. Hennessy | 6 | Son | — | Rhode Island |
| 40 | Helen Hennessy | 5 | Daughter | — | Rhode Island |
| 41 | Margaret T. Hennessy | 2 | Daughter | — | Rhode Island |
| 42 | John F. Hennessy | 0 | Son | — | Rhode Island |
| 43 | Willard E. D. Hillman | 40 | Head | Collector Teller | Canada |
| 44 | Pauline M. Hillman | 37 | Wife | — | Rhode Island |
| 45 | Pauline M. Hillman | 13 | Daughter | — | Rhode Island |
| 46 | Pauline M. Trycke | 69 | Mother-in-law | — | Germany |
| 47 | Matthew N. Chapman | 37 | Head | Carpenter | Rhode Island |
| 48 | Margaret S. Chapman | 34 | Wife | — | Rhode Island |
| 49 | Lester G. Chapman | 11 | Son | — | Rhode Island |
| 50 | Matthew N. Jr. Chapman | 4 | Son | — | Rhode Island |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)