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Mary Mcconnell — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Hamilton, Ohio
Our Model Tree links this Mary Mcconnell across the 1920, 1930 and 1940 US Censuses in Hamilton, Ohio (XGBoost, ~Confirmed) — first a spouse (b.~1897), then head of a 3-person household.
Age 23
b. ~1897
Female
Spouse
Born: Alabama
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Hamilton, Ohio |
| Surname | McConnell |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Additional Details | |
| Occupation | Cook |
| Industry | Restaurant |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Occupation | Cook |
| Township / Ward | North College Hill Village |
| Est. Birth Year | ~1897 |
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.
3 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mansfield Mcconnell | Head | — | 36 | ~1884 |
| Carrie Mcconnell | Daughter | — | 3 | ~1917 |
| Mary Mcconnell | Spouse | — | 23 | ~1897 |
Census Appearances
1920
Hamilton, Ohio
Spouse, age 23
Hamilton, Ohio · implied b. ~1897 — 3 household members
| Surname | McConnell |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | Cook |
| Industry | Restaurant |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1930
Hamilton, Ohio
Other, age 35
Hamilton, Ohio · implied b. ~1895 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McConnal |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | Black |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Alabama |
| Age at First Marriage | 19 |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Can Read/Write | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Hamilton-County, Ohio
Spouse, age 42
Hamilton-County, Ohio · implied b. ~1898 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McConnal |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Hamilton |
| Industry | 0 |
| Highest Grade | No 0 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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 Mcconnell 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 Mcconnell
Spouse · 1920 · age 23 · b. ~1897 · Ohio
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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 — Hamilton, Ohio
Open full size
1920 US Federal Census — Hamilton, Ohio
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1396unit:0671)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Emma Rogg | 44 | Wife | — | Ohio |
| 2 | Adeline Rogg | 9 | Daughter | — | Ohio |
| 3 | James W. Stewart | 63 | Head | Operator | Ohio |
| 4 | Marian E. Stewart | 51 | Wife | — | Ohio |
| 5 | Alvida Stewart | 19 | Daughter | Laundress | Ohio |
| 6 | Althea Stewart | 18 | Daughter | Cherry Pitter | Ohio |
| 7 | Eva Plummer | 27 | Daughter | Cherry Pitter | Ohio |
| 8 | Jack Libby | 32 | Head | Laborer | South Carolina |
| 9 | Charles Libby | 13 | Son | — | Tennessee |
| 10 | John Major | 31 | Head | — | Virginia |
| 11 | Josephine Major | 27 | Wife | — | Kentucky |
| 12 | Charles Williams | 6 | Boarder | — | Ohio |
| 13 | Hattie Miller | 71 | Head | — | Kentucky |
| 14 | Junius Miller | 9 | Boarder | — | Ohio |
| 15 | Katie Miller | 9 | Boarder | — | Ohio |
| 16 | R. Edet Miller | 5 | Boarder | — | Ohio |
| 17 | Mansfield Mcconnell | 36 | Head | Car Out Loader | Georgia |
| 18 | Mary Mcconnell THIS PERSON | 23 | Wife | Cook | Alabama |
| 19 | Carrie Mcconnell | 3 | Daughter | — | Mississippi |
| 20 | Patrick Daffey | 79 | Head | — | Ireland |
| 21 | Bridget Daffey | 75 | Wife | — | Ireland |
| 22 | Joseph Daffey | 40 | Son | Teamster | Ohio |
| 23 | Marie Daffey | 12 | Granddaughter | — | Ohio |
| 24 | Andrew Jones | 25 | Head | Laborer | Kentucky |
| 25 | Ella Jones | 19 | Wife | — | Ohio |
| 26 | William Gill | 54 | Head | Laborer | Tennessee |
| 27 | Olivia Gill | 45 | Wife | — | Tennessee |
| 28 | Leo Gill | 22 | Son | Laborer | Tennessee |
| 29 | Robert Jackson | 50 | Head | Laborer | Virginia |
| 30 | Delila Jackson | 51 | Wife | — | Kentucky |
| 31 | Anna L. Jackson | 14 | Daughter | — | Ohio |
| 32 | Robert L. Jackson | 11 | Son | — | Ohio |
| 33 | Andrew Banks | 56 | Head | Cattle Feeder | Georgia |
| 34 | Jesse Curtis | 76 | Head | — | Kentucky |
| 35 | William Turner | 53 | Head | Laborer | West Virginia |
| 36 | Isabella Turner | 43 | Wife | Dressmaker | Washington D.C. |
| 37 | Walter Robinson | 27 | Head | Laborer | Kentucky |
| 38 | Sarah Robinson | 24 | Wife | — | Ohio |
| 39 | John Jackson | 72 | Head | — | Virginia |
| 40 | Sally Jackson | 65 | Wife | Laundress | Virginia |
| 41 | Robert Bevis | 31 | Head | Truckman | Alabama |
| 42 | Lillie Bevis | 26 | Wife | — | Alabama |
| 43 | Paul Duckworth | 36 | Head | Hod Carrier | Mississippi |
| 44 | Caroline Duckworth | 33 | Wife | Laundress | Mississippi |
| 45 | George Duckworth | 17 | Son | Laborer | Mississippi |
| 46 | Anna Duckworth | 15 | Daughter | — | Mississippi |
| 47 | Lee Duckworth | 12 | Son | — | Mississippi |
| 48 | Mary Duckworth | 11 | Daughter | — | Mississippi |
| 49 | Nathan Duckworth | 8 | Son | — | Mississippi |
| 50 | John Duckworth | 6 | Son | — | Mississippi |
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)