MD
Mary Dugan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Milwaukee-County, Wisconsin
Our Model Tree links this Mary Dugan across the 1930 and 1940 US Censuses in Milwaukee-County, Wisconsin (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 8-person household.
Age 17
b. ~1923
Female
Daughter
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Milwaukee-County, Wisconsin |
| Surname | Dugan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Wauwatosa |
| 1935 Residence (County) | Milwaukee |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Township / Ward | Wauwatosa |
| Est. Birth Year | ~1923 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Dugan | Daughter | — | 17 | ~1923 |
| Cora Dugan | Spouse | — | 54 | ~1886 |
| David Dugan | Head | — | 54 | ~1886 |
| Harriet Dugan | Daughter | — | 10 | ~1930 |
| Kathleen Dugan | Daughter | — | 14 | ~1926 |
| Margaret Dugan | Daughter | — | 20 | ~1920 |
| Paul Dugan | Son | — | 28 | ~1912 |
| Kevin Dugan | Son | — | 24 | ~1916 |
Census Appearances
1930
Milwaukee, Wisconsin
Daughter, age 7
Milwaukee, Wisconsin · implied b. ~1923 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dugan |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Milwaukee-County, Wisconsin
Daughter, age 17
Milwaukee-County, Wisconsin · implied b. ~1923 — 8 household members
| Surname | Dugan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Wauwatosa |
| 1935 Residence (County) | Milwaukee |
| Income (1939) | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 Dugan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Dugan
Daughter · 1940 · age 17 · b. ~1923 · Wisconsin
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Sibling
Margaret Dugan
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kevin Dugan
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathleen Dugan
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Dugan
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harriet Dugan
Sibling · 1940 · age 10
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 — Milwaukee-County, Wisconsin
Open full size
1940 US Federal Census — Milwaukee-County, Wisconsin
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-04502-00598)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Nancy Shutter | 14 | Daughter | — | Wisconsin |
| 42 | John Shutter | 13 | Son | — | Wisconsin |
| 43 | Judith Shutter | 10 | Daughter | — | Wisconsin |
| 44 | William Kolbet | 42 | Caretaker | Caretaker | Iowa |
| 45 | Louisa Kolbet | 31 | Housekeeper | Housekeeper | Minnesota |
| 47 | Dr. Cyril Bodenbach | 46 | Head | Oral Surgeon | Wisconsin |
| 48 | Carol Bodenbach | 36 | Wife | — | Wisconsin |
| 49 | Patricia A. Bodenbach | 11 | Daughter | — | Wisconsin |
| 50 | Jeanette Bodenbach | 10 | Daughter | — | Wisconsin |
| 51 | Elizabeth Bodenbach | 8 | Daughter | — | Wisconsin |
| 52 | Dexter Bodenbach | 5 | Son | — | Wisconsin |
| 53 | Cynthia Bodenbach | 2 | Daughter | — | Wisconsin |
| 54 | Cynthia Carlson | 70 | Mother-in-law | — | Wisconsin |
| 55 | Esther Stevenson | 35 | Maid | Maid | Wisconsin |
| 56 | William Ross | 43 | Head | Superintendent Of Production | Nebraska |
| 57 | Edna Ross | 39 | Wife | — | Wisconsin |
| 58 | Betty Ross | 14 | Daughter | — | Wisconsin |
| 59 | Donald Ross | 8 | Step son | — | Wisconsin |
| 60 | Marcella Scully | 26 | Maid | Maid | Wisconsin |
| 61 | Amos Densmore | 36 | Head | Sales Dept. | Pennsylvania |
| 62 | Emily Densmore | 36 | Wife | — | Michigan |
| 63 | Charles Potter | 61 | Head | R.R. Mail Clerk | Wisconsin |
| 64 | Alice Potter | 59 | Sister | Teacher | Wisconsin |
| 65 | Lucy Powell | 63 | Housekeeper | Housekeeper | Wisconsin |
| 66 | Paul Mandt | 33 | Head | Editor | Wisconsin |
| 67 | Faith Leon Mandt | 37 | Wife | — | Wisconsin |
| 68 | David J. Dugan | 54 | Head | Office Clerk | Wisconsin |
| 69 | Cora M. Dugan | 54 | Wife | — | Wisconsin |
| 70 | Paul Dugan | 28 | Son | — | Wisconsin |
| 71 | Kevin Dugan | 24 | Son | Charge Of Store Room | Wisconsin |
| 72 | Margaret Dugan | 20 | Daughter | Stenographer | Wisconsin |
| 73 | Mary Dugan THIS PERSON | 17 | Daughter | — | Wisconsin |
| 74 | Kathleen Dugan | 14 | Daughter | — | Wisconsin |
| 75 | Harriet Dugan | 10 | Daughter | — | Wisconsin |
| 76 | John F. Worm | 54 | Head | Linotype Opr. | Wisconsin |
| 77 | Mathilda Worm | 51 | Wife | — | Wisconsin |
| 78 | Virginia Worm | 25 | Daughter | Teacher | Wisconsin |
| 79 | George J. Worm | 24 | Son | Interne | Wisconsin |
| 80 | S. Lawrence Wheeler | 44 | Head | Patent Lawyer | Wisconsin |
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)