MH
Mary Hennessy — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Oklahoma, Oklahoma
Our Model Tree links this Mary Hennessy across the 1920, 1930 and 1940 US Censuses in Oklahoma, Oklahoma (XGBoost, ~Confirmed) — first a head (b.~1859), then head of a 6-person household.
Age 61
b. ~1859
Female
Head
Born: Illinois
Widowed
1920 Census Record Details
| Census Year | 1920 |
| Location | Oklahoma, Oklahoma |
| Surname | Hennessy |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Luther Town |
| Est. Birth Year | ~1859 |
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 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| John Hennessy | Son | — | 20 | ~1900 |
| Marie Cole | Other | — | 5 | ~1915 |
| Mary Hennessy | Head | — | 61 | ~1859 |
| Edward Hennessy | Son | — | 23 | ~1897 |
| Bessie Hennessy | Daughter | — | 18 | ~1902 |
| Mildred Cole | Other | — | 11 | ~1909 |
Census Appearances
1920
Oklahoma, Oklahoma
Head, age 61
Oklahoma, Oklahoma · implied b. ~1859 — 6 household members
| Surname | Hennessy |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Oklahoma, Oklahoma
Other, age 71
Oklahoma, Oklahoma · implied b. ~1859 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hennessy |
| Given Name | Mary |
| Relationship to Head | Head-H |
| Sex | F |
| Color / Race | White |
| Age | 71 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 1000 |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
Head, age 80
Oklahoma-County, Oklahoma · implied b. ~1860 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hennessey |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 80 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| 1935 Residence (City) | Luther town |
| 1935 Residence (County) | Oklahoma |
| Highest Grade | No 3 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Hennessy
Head · 1920 · age 61 · b. ~1859 · Oklahoma
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Oklahoma, Oklahoma
Open full size
1920 US Federal Census — Oklahoma, Oklahoma
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1473unit:0463)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John W Bednar | 9 | Son | — | Oklahoma |
| 52 | John A Ashton | 45 | Head | Barber | Indiana |
| 53 | Carrie E Ashton | 41 | Wife | None | Indiana |
| 54 | Arthur Taylor | 30 | Head | Traveling Salesman | Kentucky |
| 55 | Lottie Taylor | 30 | Wife | None | Indiana |
| 56 | James Taylor | 6 | Son | — | Indiana |
| 57 | George B Huntington | 57 | Father | — | Indiana |
| 58 | Frederick Huntington | 17 | Son | — | Indiana |
| 59 | Charles T Hennessy | 38 | Head | Engineer | Kansas |
| 60 | Grace E Hennessy | 33 | Wife | None | Missouri |
| 61 | Susan E Dabb | 61 | Mother | — | Missouri |
| 62 | Mary Hennessy THIS PERSON | 61 | Head | None | Illinois |
| 63 | Edward Hennessy | 23 | Son | Mechanic | Oklahoma |
| 64 | John Hennessy | 20 | Son | Labour | Oklahoma |
| 65 | Bessie Hennessy | 18 | Daughter | — | Oklahoma |
| 66 | Mildred Cole | 11 | Grand Daughter | — | Oklahoma |
| 67 | Marie Cole | 5 | Grand Daughter | — | Oklahoma |
| 68 | Lee R Jenkins | 38 | Head | Carpenter | Tennessee |
| 69 | Eula Jenkins | 36 | Wife | None | Texas |
| 70 | Pearl Jenkins | 16 | Daughter | — | Texas |
| 71 | Clyde Jenkins | 12 | Son | — | Texas |
| 72 | Minnie Jenkins | 10 | Daughter | — | Texas |
| 73 | Louie Jenkins | 8 | Daughter | — | Texas |
| 74 | Otto Norman | 38 | Head | Book-Keeper | Missouri |
| 75 | Mamie Norman | 30 | Wife | School-Teacher | Indiana |
| 76 | Henry H Brooks | 54 | Lodger | Post-Master | Ohio |
| 77 | David A Funk | 64 | Lodger | Messenger | Ohio |
| 78 | Lee F Crossley | 44 | Head | Groceryman | Missouri |
| 79 | Rusty Crossley | 44 | Wife | None | Missouri |
| 80 | Lee Adrain Crossley | 12 | Son | — | Oklahoma |
| 81 | Maxwell Crossley | 10 | Daughter | — | Oklahoma |
| 82 | Elizabeth Crossley | 75 | Mother | — | United States |
| 83 | David L Gingrich | 33 | Head | Cotton Buyer | Kansas |
| 84 | Lola Gingrich | 30 | Wife | None | Texas |
| 85 | Lena Gingrich | 2 | Daughter | — | Oklahoma |
| 86 | Maggie Gingrich | 4 | Head | — | Iowa |
| 87 | Absolom Mcclure | 56 | Head | Real Estate | Kentucky |
| 88 | Nellie Mcclure | 46 | Wife | None | Kentucky |
| 89 | Marion W Mcclure | 9 | Son | — | Oklahoma |
| 90 | Ester Mcclure | 7 | Daughter | Teacher | Kentucky |
| 91 | Robert E Gingrich | 26 | Head | Repairman | Kansas |
| 92 | Jessie E Gingrich | 26 | Wife | None | Missouri |
| 93 | Cecil D Gingrich | 3 | Daughter | — | Oklahoma |
| 94 | Robert W Gingrich | 2 | Son | — | Oklahoma |
| 95 | Henry G Delporte | 43 | Head | Auto Repairing | Iowa |
| 96 | Mandy Delporte | 38 | Wife | None | Indiana |
| 97 | Claude Delporte | 16 | Son | — | Oklahoma |
| 98 | Uma L Delporte | 11 | Daughter | — | Oklahoma |
| 99 | John Delporte | 9 | Son | — | Oklahoma |
| 100 | Otis Delporte | 1 | Son | — | Oklahoma |
Related Census Records
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)