MD
Mary Donohue — 1930 US Census Record
Linked across censuses1930 United States Federal Census · New Castle, Delaware
Our Model Tree links this Mary Donohue across the 1920, 1930 and 1940 US Censuses in New Castle, Delaware (XGBoost, ~Confirmed) — first a spouse (b.~1875), then head of a 4-person household.
Age 55
b. ~1875
Female
Spouse
Born: Delaware
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | New Castle, Delaware |
| Surname | Donohue |
| Given Name | Mary C |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Delaware |
| Age at First Marriage | 22 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Township / Ward | Wilmington City |
| Est. Birth Year | ~1875 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Michael Donohue | Head | — | 55 | ~1875 |
| Mary Donohue | Spouse | — | 55 | ~1875 |
| Michael Donohue | Son | — | 21 | ~1909 |
| Ann Donohue | Daughter | — | 18 | ~1912 |
Census Appearances
1920
New Castle, …
Spouse, age 47
New Castle, Delaware · implied b. ~1873 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donahue |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Delaware |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1930
New Castle, …
Spouse, age 55
New Castle, Delaware · implied b. ~1875 — 4 household members
| Surname | Donohue |
| Given Name | Mary C |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Delaware |
| Age at First Marriage | 22 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
Spouse, age 67
New-Castle-County, Delaware · implied b. ~1873 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donahue |
| Given Name | Mary D. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | Delaware |
| 1935 Residence (City) | R.D. 8 |
| 1935 Residence (County) | New Castle |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
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 Donohue 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 Donohue
Spouse · 1930 · age 55 · b. ~1875 · Delaware
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — New Castle, Delaware
Open full size
1930 US Federal Census — New Castle, Delaware
Page Contents
50 people indexed on this census page (ia:1930:15thcensus288unit:0398)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Owen Bradley | 73 | Head | — | Ireland |
| 2 | Catherine Bradley | 71 | Wife | — | Ireland |
| 3 | James Bradley | 29 | Daughter | Stenographer | Pennsylvania |
| 4 | Edward Gerhard | 34 | Son-in-law | Machinist | Delaware |
| 5 | Mary Gerhard | 30 | Daughter | — | Pennsylvania |
| 6 | Edward Gerhard | 2 | Grandson | — | Delaware |
| 7 | Albert Gardner | 30 | Head | Grinder | Maryland |
| 8 | Jessie Gardner | 31 | Wife | — | Pennsylvania |
| 9 | Alice Gardner | 11 | Daughter | — | Delaware |
| 10 | Helen Gardner | 9 | Daughter | — | Delaware |
| 11 | Lorraine Gardner | 2 | Daughter | — | Delaware |
| 12 | Stanley Wojciechowski | 34 | Head | Patrolman | Delaware |
| 13 | Leona Wojciechowski | 24 | Wife | — | Delaware |
| 14 | Stanley Jr Wojciechowski | 7 | Son | — | Delaware |
| 15 | John Wojciechowski | 1 | Son | — | Delaware |
| 16 | Stanley Matuszewski | 30 | Head | Glazier | Delaware |
| 17 | Mary Matuszewski | 32 | Wife | — | Poland |
| 18 | Stanley Jr Matuszewski | 11 | Son | — | Delaware |
| 19 | Frank Matuszewski | 10 | Son | — | Delaware |
| 20 | John Matuszewski | 8 | Son | — | Delaware |
| 21 | Edward Matuszewski | 6 | Son | — | Delaware |
| 22 | Alexander Matuszewski | 4 | Son | — | Delaware |
| 23 | Anthony Wierzbicki | 54 | Head | Beamer | Poland |
| 24 | Martha Wierzbicki | 48 | Wife | — | Germany |
| 25 | Irene Wierzbicki | 14 | Daughter | — | Delaware |
| 26 | Emily Wierzbicki | 12 | Daughter | — | Delaware |
| 27 | Jesse Wierzbicki | 22 | Son | Helper | Delaware |
| 28 | Edward Wierzbicki | 17 | Son | Stock Boy | Delaware |
| 29 | Josephine Riccordo | 24 | Daughter | Saleslady | Delaware |
| 30 | Vincent Riccordo | 5 | Grandson | — | Delaware |
| 31 | Alex Carey | 55 | Head | Beamer | Poland |
| 32 | Martha Carey | 40 | Wife | — | Delaware |
| 33 | John Carey | 17 | Son | — | Delaware |
| 34 | Emily Carey | 14 | Daughter | — | Delaware |
| 35 | Frank Kacprowicz | 64 | Boarder | — | Poland |
| 36 | Stanley Zezeralo | 36 | Head | Glazier | Poland |
| 37 | Antonia Zezeralo | 32 | Wife | — | Pennsylvania |
| 38 | Sophia Zezeralo | 12 | Daughter | — | Delaware |
| 39 | John Zezeralo | 10 | Son | — | Delaware |
| 40 | Stanley Jr Zezeralo | 8 | Son | — | Delaware |
| 41 | Edward Zezeralo | 7 | Son | — | Delaware |
| 42 | Henry Zezeralo | 6 | Son | — | Delaware |
| 43 | Charles Rynkowski | 25 | Boarder | Glazier | Delaware |
| 44 | Stella Rynkowski | 25 | Sister | Glazier | Delaware |
| 45 | Charles Rynkowski | 7 | Nephew | — | Delaware |
| 46 | Henry Rynkowski | 2 | Nephew | — | Delaware |
| 47 | Michael Donohue | 55 | Head | Conductor | Ireland |
| 48 | Mary C Donohue THIS PERSON | 55 | Wife | — | Delaware |
| 49 | Michael Jr Donohue | 21 | Son | Maker | Delaware |
| 50 | Ann Donohue | 18 | Daughter | Saleslady | Delaware |
Related Census Records
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)