MD
Mary Donahue — 1930 US Census Record
Model Tree available1930 United States Federal Census · Clark, Ohio
Our Model Tree links this Mary Donahue across the 1910, 1920 and 1930 US Censuses in Clark, Ohio (XGBoost, ~Confirmed), with identified parents William & William — first a daughter (b.~1908), then head of a 5-person household.
Age 22
b. ~1908
Female
Daughter
Born: Ohio
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Clark, Ohio |
| Surname | Donahue |
| Given Name | Mary L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Springfield City |
| Est. Birth Year | ~1908 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Donahue | Daughter | — | 22 | ~1908 |
| Eleanor Donahue | Daughter | — | 12 | ~1918 |
| William Donahue | Head | — | 52 | ~1878 |
| Leo Donahue | Son | — | 14 | ~1916 |
| Ellen Donahue | Spouse | — | 45 | ~1885 |
Census Appearances
1910
Clark, Ohio
Daughter, age 2
Clark, Ohio · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donahue |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1920
Clark, Ohio
Daughter, age 12
Clark, Ohio · implied b. ~1908 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donahue |
| Given Name | Mary Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| 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 22
Clark, Ohio · implied b. ~1908 — 5 household members
| Surname | Donahue |
| Given Name | Mary L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| 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 |
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 (1910, 1920 and 1930) in Clark, Ohio, using XGBoost record linkage. Identified parents: father William Donahue (~0.92 confidence) and father William Donahue (~0.92 confidence) and father William Donahue (~0.92 confidence) and mother Lulu Donahue (~0.92 confidence) and mother Ellen Donahue (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Donahue
b. ~1878
Source father
● Household
· direct · ~0.92
Father
William Donahue
b. ~1878
Source father
● Household
· direct · ~0.92
Father
William Donahue
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Lulu Donahue
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Ellen Donahue
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Donahue
Daughter · 1930 · age 22 · b. ~1908 · Ohio
★ You are viewing this record
Sibling
Leo Donahue
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Donahue
Sibling · 1930 · age 12
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
1930 US Federal Census — Clark, Ohio
Open full size
1930 US Federal Census — Clark, Ohio
Page Contents
50 people indexed on this census page (ia:1930:ohiocensus00reel1757:0351)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Ralph, Margaret Haig | 65 | Mother-in-law | — | Pennsylvania |
| 52 | Edward S Haig | 69 | Father | — | New York |
| 53 | King, Alice G Haig | 9 | Daughter | — | Ohio |
| 54 | Nels G Lindgren | 42 | Head | — | Colorado |
| 55 | Augusta Lindgren | 44 | Wife | — | Wisconsin |
| 56 | Eleanor A Lindgren | 19 | Daughter | — | Illinois |
| 57 | Harold E Lindgren | 17 | Son | — | Illinois |
| 58 | Lloyd M Davis | 44 | Head | Helper On A Farm | Ohio |
| 59 | Nettie B Davis | 36 | Wife | Repairer Clock Shop | Ohio |
| 60 | William L Faulder | 65 | Head | Carpenter | Ohio |
| 61 | Ellen C Faulder | 63 | Wife | — | Ohio |
| 62 | Arthur L Vierling | 36 | Head | Cost Clerk Shop | Ohio |
| 63 | Katie M Vierling | 38 | Wife | — | Ohio |
| 64 | Elizabeth Fitzgerald | 71 | Mother-in-law | — | New Jersey |
| 65 | Raymond Valletta | 37 | Head | Garage Owner | Ohio |
| 66 | Helen F Valletta | 33 | Wife | — | Ohio |
| 67 | Eileen H Valletta | 10 | Daughter | — | Ohio |
| 68 | Eunice M Valletta | 7 | Daughter | — | Ohio |
| 69 | William P Donahue | 52 | Head | Inspector Shop | Ohio |
| 70 | Ellen M Donahue | 45 | Wife | — | Ohio |
| 71 | Mary L Donahue THIS PERSON | 22 | Daughter | — | Ohio |
| 72 | Leo P Donahue | 14 | Son | — | Ohio |
| 73 | Eleanor C Donahue | 12 | Daughter | — | Ohio |
| 74 | John M Sauter | 32 | Head | Agent Insurance | Ohio |
| 75 | Louise Sauter | 33 | Wife | — | Ohio |
| 76 | Betty L Sauter | 3 | Daughter | — | Ohio |
| 77 | Joseph G Yeager | 36 | Head | Stereotyper Newspaper | Ohio |
| 78 | Margaret Yeager | 27 | Wife | — | Ohio |
| 79 | Paul J Yeager | 5 | Son | — | Ohio |
| 80 | Mary M Yeager | 3 | Daughter | — | Ohio |
| 81 | Angela M Yeager | 1 | Daughter | — | Ohio |
| 82 | Margaret Groeber | 67 | Mother-in-law | — | Ohio |
| 83 | Eldon J Peters | 29 | Head | Representative Of National Cash Reg | Ohio |
| 84 | Edna E Peters | 24 | Wife | — | Ohio |
| 85 | Joellen Peters | 6 | Daughter | — | Ohio |
| 86 | Roger L Peters | 4 | Son | — | Ohio |
| 87 | Joseph H Spahr | 47 | Head | Manager Traffic Dept Shop | Ohio |
| 88 | Jessie E Spahr | 45 | Wife | — | Ohio |
| 89 | Eleanor T Spahr | 18 | Daughter | — | Ohio |
| 90 | Joseph H Spahr | 10 | Son | — | Ohio |
| 91 | Harry N Steiner | 58 | Head | Carpenter Furniture | Ohio |
| 92 | Myrtle T Steiner | 58 | Wife | — | Indiana |
| 93 | George L Trefant | 24 | Roomer | Stenographer Book Shop | Indiana |
| 94 | Roland H Trefant | 34 | Roomer | Foreman Lumber Co | Ohio |
| 95 | B. Frank Harshbarger | 30 | Head | Inspector Dairy Co | New Jersey |
| 96 | Vivian Harshbarger | 29 | Wife | Clerk Dry Goods Shop | Ohio |
| 97 | Nora Hida | 53 | Roomer | — | Ohio |
| 98 | Lillian Hida | 21 | Roomer | — | Ohio |
| 99 | Ralph J Huber | 25 | Head | Salesman Office Equip | Ohio |
| 100 | Margaret R Huber | 27 | Wife | — | Ohio |
Pedigree Summary
Mary + 2 siblings
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)