MD
Mary Donahue — 1940 US Census Record
Linked across censuses1940 United States Federal Census · New-Castle-County, Delaware
Our Model Tree links this Mary Donahue across the 1920, 1930 and 1940 US Censuses in New-Castle-County, Delaware (XGBoost, ~Confirmed) — first a spouse (b.~1888), then head of a 5-person household.
Age 52
b. ~1888
Female
Spouse
Born: Delaware
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | New-Castle-County, Delaware |
| Surname | Donahue |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Delaware |
| 1935 Residence (City) | Wilmington |
| 1935 Residence (County) | New Castle |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Township / Ward | Wilmington |
| Est. Birth Year | ~1888 |
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 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Caroline Donahue | Daughter | — | 22 | ~1918 |
| Alvina Donahue | Daughter | — | 20 | ~1920 |
| Alfred Donahue | Head | — | 52 | ~1888 |
| Leonard Donahue | Son | — | 25 | ~1915 |
| Mary Donahue | Spouse | — | 52 | ~1888 |
Census Appearances
1920
New Castle, …
Spouse, age 33
New Castle, Delaware · implied b. ~1887 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donohoe |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Delaware |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
Spouse, age 42
New Castle, Delaware · implied b. ~1888 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donohue |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Delaware |
| Age at First Marriage | 32 |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Scotland |
| Can Read/Write | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1940
New-Castle-County, Delaware
Spouse, age 52
New-Castle-County, Delaware · implied b. ~1888 — 5 household members
| Surname | Donahue |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Delaware |
| 1935 Residence (City) | Wilmington |
| 1935 Residence (County) | New Castle |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Donahue 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 Donahue
Spouse · 1940 · age 52 · b. ~1888 · Delaware
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — New-Castle-County, Delaware
Open full size
1940 US Federal Census — New-Castle-County, Delaware
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00552-00737)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Edward Davis | 51 | Boy-in | Janitor | Delaware |
| 42 | Irene Davis | 48 | daughter | — | New Jersey |
| 43 | Norman Davis | 19 | grandson | Mail Clerk | Delaware |
| 44 | Alvin W. Mills | 48 | Head | Printer | Pennsylvania |
| 45 | Mary F. Mills | 50 | wife | — | Pennsylvania |
| 46 | Wm. M. Wamsher | 41 | Head | Section Foreman | Pennsylvania |
| 47 | Maybelle S. Wamsher | 38 | wife | — | Pennsylvania |
| 48 | Nelly E. Wamsher | 19 | daughter | — | Pennsylvania |
| 49 | Robert E. Wamsher | 12 | son | — | Pennsylvania |
| 50 | Emma May Wamsher | 6 | daughter | — | Pennsylvania |
| 51 | Nathan Wamsher | 78 | father | — | Pennsylvania |
| 52 | Anna Thakman | 75 | Head | — | Germany |
| 53 | Anna M. Thakman | 50 | daughter | Counter Clerk | Delaware |
| 54 | George P. Jr. Dempsey | 32 | Head | Clerk | Delaware |
| 55 | Florence Dempsey | 32 | wife | Clerk | Delaware |
| 56 | Martin J. Saxfield | 53 | Head | Wrecker | Austria |
| 57 | John Saxfield | 29 | son | Leather Worker | Pennsylvania |
| 58 | Julia O. Saxfield | 24 | daughter | Houseworker | Pennsylvania |
| 59 | Annie Saxfield | 21 | daughter | Clerk | Pennsylvania |
| 60 | Arris F. Parks | 22 | son-in-law | Helper | Delaware |
| 61 | Rose Parks | 23 | daughter | — | Pennsylvania |
| 62 | Owen Parks | 5 | grandson | — | Delaware |
| 63 | Thomas Walsh | 46 | Head | Electrician | Delaware |
| 64 | Winifred Walsh | 59 | wife | — | Delaware |
| 65 | John Geeher | 43 | Head | Fireman | Delaware |
| 66 | Florence Geeher | 35 | wife | — | Maryland |
| 67 | Lawrence Geeher | 9 | son | — | Delaware |
| 68 | Guy Stephen | 46 | Head | Draftsman | Delaware |
| 69 | Mary Stephen | 45 | wife | — | Delaware |
| 70 | Elizabeth Stephen | 21 | daughter | — | Delaware |
| 71 | Jane Stephen | 19 | daughter | — | Delaware |
| 72 | Ann Stephen | 12 | daughter | — | Delaware |
| 73 | Alfred Donahue | 52 | Head | Pattern Maker | Pennsylvania |
| 74 | Mary Donahue THIS PERSON | 52 | wife | — | Delaware |
| 75 | Leonard Donahue | 25 | son | Clerk | Delaware |
| 76 | Caroline Donahue | 22 | daughter | Operator | Delaware |
| 77 | Alvina Donahue | 20 | daughter | Operator | Delaware |
| 78 | — | None | — | — | — |
| 79 | — | None | — | — | — |
| 80 | Emma W. Taylor | 59 | Head | — | Delaware |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)