MD
Mary Dugan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cass, Illinois
Our Model Tree links this Mary Dugan across the 1930 and 1940 US Censuses in Cass, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1905), then head of a 8-person household.
Age 25
b. ~1905
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cass, Illinois |
| Surname | Dugan |
| Given Name | Mary H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | School Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Teacher |
| Township / Ward | Beardstown City |
| Est. Birth Year | ~1905 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Henry Dugan | Son | — | 13 | ~1917 |
| Nettie Dugan | Spouse | — | 46 | ~1884 |
| Dorothy Dugan | Daughter | — | 10 | ~1920 |
| Mary Dugan | Daughter | — | 25 | ~1905 |
| Mildred Dugan | Daughter | — | 23 | ~1907 |
| Richard Dugan | Son | — | 6 | ~1924 |
| James Dugan | Head | — | 48 | ~1882 |
| Robert Dugan | Son | — | 8 | ~1922 |
Census Appearances
1930
Cass, Illinois
Daughter, age 25
Cass, Illinois · implied b. ~1905 — 8 household members
| Surname | Dugan |
| Given Name | Mary H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | School Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cass-County, Illinois
Head, age 35
Cass-County, Illinois · implied b. ~1905 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duggan |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Beardstown |
| 1935 Residence (County) | Cass |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 1349 |
| Highest Grade | C 2 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 · 1930 · age 25 · b. ~1905 · Illinois
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Sibling
Mildred Dugan
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Dugan
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Dugan
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Dugan
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Dugan
Sibling · 1930 · age 6
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 — Cass, Illinois
Open full size
1930 US Federal Census — Cass, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel408:1069)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Rufus R. Vernon | 13 | Son | — | Kansas |
| 52 | Edwin J. Reichart | 35 | Head | Salesman | Illinois |
| 53 | Bonnie V. Reichart | 36 | Wife | — | Illinois |
| 54 | Robert F. Reichart | 12 | Son | — | Illinois |
| 55 | Dorothy E. Reichart | 9 | Daughter | — | Illinois |
| 56 | Donna Lee Reichart | 1 | Daughter | — | Illinois |
| 57 | Alex Rasmussen | 55 | Head | Engineer | Denmark |
| 58 | Agnes L. Rasmussen | 54 | Wife | — | Illinois |
| 59 | Loretta A. Rasmussen | 22 | Daughter | — | Illinois |
| 60 | Victor J. Jockisch | 69 | Head | — | Illinois |
| 61 | Hannah Jockisch | 58 | Wife | — | Illinois |
| 62 | Charles G. Arey | 32 | Head | Blacksmith | Iowa |
| 63 | Margaret Arey | 26 | Wife | — | England |
| 64 | Walter J. Arey | 5 | Son | — | Iowa |
| 65 | Albert J. Knight | 59 | Head | Salesman | Illinois |
| 66 | Nellie E. Knight | 50 | Wife | — | Illinois |
| 67 | Thomas A. Knight | 32 | Son | Salesman | Illinois |
| 68 | S. R. Whitney | 39 | Head | Cashier | Illinois |
| 69 | Louise Whitney | 39 | Wife | — | Illinois |
| 70 | Walter D. Whitney | 17 | Son | — | Illinois |
| 71 | Helen E. Whitney | 7 | Daughter | — | Illinois |
| 72 | Emil Wagner | 65 | Head | Farmer | Illinois |
| 73 | Henrietta Wagner | 67 | Wife | — | Germany |
| 74 | Meyer Logan | 31 | Head | Proprietor | Illinois |
| 75 | Pearl C. Logan | 35 | Wife | — | Illinois |
| 76 | Thomas J. Logan | 3 | Son | — | Illinois |
| 77 | Joan Pearl Logan | 1 | Daughter | — | Illinois |
| 78 | James H. Dugan | 48 | Head | Proprietor | Illinois |
| 79 | Nettie M. Dugan | 46 | Wife | — | Illinois |
| 80 | Mary H. Dugan THIS PERSON | 25 | Daughter | School Teacher | Illinois |
| 81 | Mildred Dugan | 23 | Daughter | Bookkeeper | Illinois |
| 82 | Henry L. Dugan | 13 | Son | — | Illinois |
| 83 | Dorothy M. Dugan | 10 | Daughter | — | Illinois |
| 84 | Robert H. Dugan | 8 | Son | — | Illinois |
| 85 | Richard S. Dugan | 6 | Son | — | Illinois |
| 86 | William William | 61 | Head | Engineer | Illinois |
| 87 | Mary Gibson | 79 | Maid | Maid | Illinois |
| 88 | Francis | 46 | Niece | — | Illinois |
| 89 | Marion William | 20 | Son | Machinist | Illinois |
| 90 | George J. Tobler | 65 | Head | — | Illinois |
| 91 | Vina Tobler | 56 | Wife | — | Illinois |
| 92 | Anna Barnes | 81 | Mother-in-law | — | Kentucky |
| 93 | George F. Donnelle | 52 | Head | Dispatcher | Illinois |
| 94 | Bessie Donnelle | 48 | Wife | — | Illinois |
| 95 | Tom Brady | 37 | Head | Salesman | Illinois |
| 96 | Ethelyn M. Brady | 37 | Wife | — | Illinois |
| 97 | Ellen E. Snellman | 35 | Head | Stenographer | Illinois |
| 98 | Roberta E. Snellman | 9 | Daughter | — | Illinois |
| 99 | Elenore R. Snellman | 6 | Daughter | — | Illinois |
| 100 | Jerusa F. Mctunnel | 68 | Mother | — | Illinois |
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)