MD
Mary Donohue — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jones-County, Iowa
Our Model Tree links this Mary Donohue across the 1930 and 1940 US Censuses in Jones-County, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 9-person household.
Age 15
b. ~1925
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jones-County, Iowa |
| Surname | Donohue |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Dubuque Jones |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 6 |
| Highest Grade | No 8 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Monticello City |
| Est. Birth Year | ~1925 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Louis Donohue | Son | — | 16 | ~1924 |
| Kathleen Donohue | Daughter | — | 3 | ~1937 |
| Loretta Donohue | Spouse | — | 44 | ~1896 |
| Raymond Donohue | Son | — | 17 | ~1923 |
| William Donohue | Head | — | 62 | ~1878 |
| Mary Donohue | Daughter | — | 15 | ~1925 |
| Loretta Donohue | Daughter | — | 9 | ~1931 |
| Coletta Donohue | Daughter | — | 13 | ~1927 |
| William Donohue | Son | — | 19 | ~1921 |
Census Appearances
1930
Jones, Iowa
Daughter, age 5
Jones, Iowa · implied b. ~1925 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donahue |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Jones-County, Iowa
Daughter, age 15
Jones-County, Iowa · implied b. ~1925 — 9 household members
| Surname | Donohue |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Dubuque Jones |
| Class of Worker | 0 |
| Hours Worked | 6 |
| Highest Grade | No 8 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Donohue
Daughter · 1940 · age 15 · b. ~1925 · Iowa
★ You are viewing this record
Sibling
Raymond Donohue
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathleen Donohue
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louis Donohue
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Donohue
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Loretta Donohue
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Coletta Donohue
Sibling · 1940 · age 13
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
1940 US Federal Census — Jones-County, Iowa
Open full size
1940 US Federal Census — Jones-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01172-00389)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Thomas Maire | 7 | Son | — | Iowa |
| 42 | George Maire | 2 | Son | — | Iowa |
| 43 | Charles Campbell | 60 | Head | — | Iowa |
| 44 | Cecil Goettsch | 24 | Head | Undertaker | Iowa |
| 45 | Bertice Goettsch | 27 | Wife | Assistant | Iowa |
| 46 | Burrell Fagan | 27 | Head | Assistant Miller | Iowa |
| 47 | Kathryn Fagan | 28 | Wife | Machine Operator | Iowa |
| 48 | Kenneth Ferring | 32 | Head | Mail Clerk | Iowa |
| 49 | Margaret Ferring | 30 | Wife | — | Canada English |
| 50 | Judy Ferring | 4 | Daughter | — | Iowa |
| 51 | Frances Ferring | 3 | Daughter | — | Iowa |
| 52 | Linda Ferring | 1 | Daughter | — | Iowa |
| 53 | William Sawyer | 47 | Head | Fireman | Iowa |
| 54 | Alice Sawyer | 39 | Wife | Cleaning Woman | Iowa |
| 55 | Helen Sawyer | 17 | Daughter | — | Iowa |
| 56 | Marian Hayes | 30 | Head | Trained Nurse | Iowa |
| 57 | Ruth Hayes | 26 | Sister | Bookkeeper | Iowa |
| 58 | Merle W. Hotchkiss | 44 | Head | Beauty Operator | Iowa |
| 59 | William Donohue | 62 | Head | Farm Laborer | Iowa |
| 60 | Loretta Donohue | 44 | Wife | — | Iowa |
| 61 | William Donohue | 19 | Son | Farm Laborer | Iowa |
| 62 | Louis Donohue | 16 | Son | Farm Laborer | Iowa |
| 63 | Raymond Donohue | 17 | Son | Farm Laborer | Iowa |
| 64 | Mary Donohue THIS PERSON | 15 | Daughter | — | Iowa |
| 65 | Coletta Donohue | 13 | Daughter | — | Iowa |
| 66 | Loretta Donohue | 9 | Daughter | — | Iowa |
| 67 | Kathleen Donohue | 3 | Daughter | — | Iowa |
| 68 | Ralph Strasburg | 37 | Head | Lineman | Minnesota |
| 69 | Jennie Strasburg | 31 | Wife | — | Iowa |
| 70 | Anna Rose Strasburg | 13 | Daughter | — | Iowa |
| 71 | Lenard Strasburg | 11 | Son | — | Iowa |
| 72 | Harry Mckeever | 42 | Head | Well Driller | Iowa |
| 73 | Ervin Davis | 36 | Head | Barber | Iowa |
| 74 | Mildred Davis | 29 | Wife | — | Iowa |
| 75 | Katherine Davis | 11 | Daughter | — | Iowa |
| 76 | Richard Davis | 5 | Son | — | Iowa |
| 77 | Merlin Hayes | 24 | Head | Foreman | Iowa |
| 78 | Mildred Hayes | 21 | Wife | — | Iowa |
| 79 | Ronald Hayes | 4 | Son | — | Iowa |
| 80 | Stanley Hayes | 1 | Son | — | Iowa |
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)