MD
Mary Donahue — 1920 US Census Record
Model Tree available1920 United States Federal Census · Clark, Ohio
Our Model Tree links this Mary Donahue across the 1920, 1930 and 1940 US Censuses in Clark, Ohio (XGBoost, ~Confirmed), with identified parents Agnes & James — first a daughter (b.~1911), then head of a 5-person household.
Age 9
b. ~1911
Female
Daughter
Born: Ohio
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Clark, Ohio |
| Surname | Donahue |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Pleasant Township |
| Est. Birth Year | ~1911 |
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 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Donahue | Daughter | — | 9 | ~1911 |
| James Donahue | Head | — | 45 | ~1875 |
| Wilfred Donahue | Son | — | 11 | ~1909 |
| Thomas Donahue | Son | — | 15 | ~1905 |
| Agnes Donahue | Spouse | — | 49 | ~1871 |
Census Appearances
1920
Clark, Ohio
Daughter, age 9
Clark, Ohio · implied b. ~1911 — 5 household members
| Surname | Donahue |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Clark, Ohio
Daughter, age 19
Clark, Ohio · implied b. ~1911 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donahoe |
| Given Name | Mary R |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Clark-County, Ohio
Daughter, age 29
Clark-County, Ohio · implied b. ~1911 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donahoe |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Pleasant Twp. |
| 1935 Residence (County) | Clark |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Donahue across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Agnes Donahoe (~0.92 confidence) and father James Donahoe (~0.92 confidence) and father James Donahue (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Agnes Donahoe
b. ~1871
Source mother
● Household
· direct · ~0.92
Father
James Donahoe
b. ~1871
Source father
● Household
· direct · ~0.92
Father
James Donahue
b. ~1875
Source father
● Household
· direct · ~0.92
This person
Anchor record
Mary Donahue
Daughter · 1920 · age 9 · b. ~1911 · Ohio
★ You are viewing this record
Sibling
Wilfred Donahue
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Donahue
Sibling · 1920 · age 15
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 — Clark, Ohio
Open full size
1920 US Federal Census — Clark, Ohio
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1353unit:0861)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | R. James Travis | 30 | Head | Laborer | Kentucky |
| 2 | Anna Travis | 27 | Wife | — | Kentucky |
| 3 | George Travis | 11 | Son | — | Kentucky |
| 4 | Edward Travis | 9 | Son | — | Kentucky |
| 5 | Yalatea Travis | 7 | Daughter | — | Kentucky |
| 6 | Oneida Travis | 4 | Daughter | — | Kentucky |
| 7 | Donald Travis | 2 | Son | — | Ohio |
| 8 | E. F. Wilson | 35 | Head | Farmer | Ohio |
| 9 | Leona Wilson | 27 | Wife | — | Illinois |
| 10 | Margarete Wilson | 4 | Daughter | — | Ohio |
| 11 | Lester Wilson | 1 | Son | — | Ohio |
| 12 | E. R. Wolfe | 60 | Head | Farmer | Ohio |
| 13 | Christine Wolfe | 48 | Wife | — | Ohio |
| 14 | Catherine Wolfe | 23 | Daughter | Teacher | Ohio |
| 15 | John Wolfe | 21 | Son | Laborer | Ohio |
| 16 | Helen Wolfe | 20 | Daughter | — | Ohio |
| 17 | Margaret Donley | 54 | Mother-in-law | — | Ohio |
| 18 | Elmer Mast | 24 | Head | Laborer | West Virginia |
| 19 | Effie Mast | 23 | Wife | Laborer | Illinois |
| 20 | Mildred Mast | 2 | Daughter | — | Ohio |
| 21 | William Siffer | 28 | Head | Farmer | Ohio |
| 22 | Laura Siffer | 25 | Wife | — | Ohio |
| 23 | Edith Siffer | 5 | Daughter | — | Ohio |
| 24 | Marvin Siffer | 2 | Son | — | Ohio |
| 25 | Mary Shaffer | 45 | Head | — | Ohio |
| 26 | Lawrence Ambler | 29 | Head | Laborer | Ohio |
| 27 | Nalla Ambler | 24 | Wife | — | Ohio |
| 28 | Martha Ambler | 8 | Daughter | — | Ohio |
| 29 | Ruby Ambler | 6 | Daughter | — | Ohio |
| 30 | Ralph Ambler | 4 | Son | — | Ohio |
| 31 | Janelle Ambler | 2 | Son | — | Ohio |
| 32 | Roger Ambler | 0 | Son | — | Ohio |
| 33 | James Donahue | 45 | Head | Farmer | Ohio |
| 34 | Agnes Donahue | 49 | Wife | — | Ohio |
| 35 | Thomas Donahue | 15 | Son | — | Ohio |
| 36 | Wilfred Donahue | 11 | Son | — | Ohio |
| 37 | Mary Donahue THIS PERSON | 9 | Daughter | — | Ohio |
| 38 | James Brown | 63 | Head | Farmer | Ohio |
| 39 | Miranda Brown | 62 | Wife | — | Ohio |
| 40 | Walter Brown | 32 | Son | Laborer | Ohio |
| 41 | William Henry | 38 | Head | Laborer | Ohio |
| 42 | Cora Henry | 34 | Wife | Laborer | Ohio |
| 43 | Geraldine Henry | 7 | Daughter | — | Ohio |
| 44 | Phoebe German | 77 | Mother | — | Ohio |
| 45 | William Baumgardner | 28 | Head | Farmer | Ohio |
| 46 | Anna Baumgardner | 25 | Wife | — | Ohio |
| 47 | Robert Baumgardner | 4 | Son | — | Ohio |
| 48 | Betty Baumgardner | 2 | Daughter | — | Ohio |
| 49 | Frank Taylor | 48 | Head | Farmer | Ohio |
| 50 | Elizabeth Taylor | 76 | Mother | — | Ohio |
Pedigree Summary
Mary + 2 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)