MD
Mary Dudley — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Dakota, Minnesota
Our Model Tree links this Mary Dudley across the 1920 and 1930 US Censuses in Dakota, Minnesota (XGBoost, ~Confirmed) — first a daughter (b.~1915), then head of a 13-person household.
Age 15
b. ~1915
Female
Daughter
Born: Minnesota
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Dakota, Minnesota |
| Surname | Dudley |
| Given Name | Mary C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Waterford Township |
| Est. Birth Year | ~1915 |
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.
13 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Margaret Dudley | Daughter | — | 13 | ~1917 |
| Margaret Dudley | Spouse | — | 41 | ~1889 |
| Joseph Dudley | Son | — | 14 | ~1916 |
| Marcella Dudley | Daughter | — | 8 | ~1922 |
| Mary Dudley | Daughter | — | 15 | ~1915 |
| Edward Dudley | Son | — | 12 | ~1918 |
| Robert Dudley | Son | — | 7 | ~1923 |
| Lee Stewart | Other | — | 40 | ~1890 |
| Dorothy Dudley | Daughter | — | 9 | ~1921 |
| Francis Dudley | Son | — | 11 | ~1919 |
| Edward Dudley | Head | — | 43 | ~1887 |
| Paul Dudley | Son | — | 3 | ~1927 |
| John Dudley | Son | — | 4 | ~1926 |
Census Appearances
1920
Dakota, Minnesota
Daughter, age 5
Dakota, Minnesota · implied b. ~1915 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dudley |
| Given Name | Mary C |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Naturalization Status | Naturalized |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Occupation | none |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Dakota, Minnesota
Daughter, age 15
Dakota, Minnesota · implied b. ~1915 — 13 household members
| Surname | Dudley |
| Given Name | Mary C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Dudley across 2 US Census years (1920 and 1930) in Dakota, Minnesota, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Dudley
Daughter · 1930 · age 15 · b. ~1915 · Minnesota
★ You are viewing this record
Sibling
Edward Dudley
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Dudley
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Dudley
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Dudley
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Dudley
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Dudley
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marcella Dudley
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Dudley
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Dudley
Sibling · 1930 · age 7
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 — Dakota, Minnesota
Open full size
1930 US Federal Census — Dakota, Minnesota
Page Contents
50 people indexed on this census page (ia:1930:minnesotacensus00reel1085:0656)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Charles M. Cowell | 63 | Head | Farmer | Minnesota |
| 52 | Florence M. Cowell | 53 | Wife | — | Maine |
| 53 | Lucy E. Cowell | 32 | Daughter | — | Minnesota |
| 54 | Elvin Elstad | 38 | Head | Farmer | Minnesota |
| 55 | Alice E. Elstad | 31 | Wife | — | Minnesota |
| 56 | Ardys A. Elstad | 3 | Daughter | — | Minnesota |
| 57 | Miller D. Vanguilder | 62 | Head | Farmer | Minnesota |
| 58 | Maria Vanguilder | 63 | Wife | — | Norway |
| 59 | Lucius R. Smith | 62 | Head | Laborer | New York |
| 60 | Ida M. Smith | 48 | Wife | Paperhanger | Minnesota |
| 61 | Grant M. Smith | 23 | Son | Clerk | Minnesota |
| 62 | Agnes R. Turner | 63 | Head | — | Illinois |
| 63 | Ferdinand J. Turnacliff | 57 | Head | Farmer | Minnesota |
| 64 | Margaret L. Turnacliff | 53 | Wife | — | Minnesota |
| 65 | Forest B. Turnacliff | 21 | Son | Laborer | Minnesota |
| 66 | Vivian E. Turnacliff | 18 | Daughter | — | Minnesota |
| 67 | Hazel M. Turnacliff | 15 | Daughter | — | Minnesota |
| 68 | John D. Norden | 29 | Head | Farmer | Minnesota |
| 69 | Velva S. Norden | 31 | Wife | — | Minnesota |
| 70 | John P. Norden | 8 | Son | — | Minnesota |
| 71 | Robert H. Norden | 4 | Son | — | Minnesota |
| 72 | Ellen L. Norden | 1 | Daughter | — | Minnesota |
| 73 | Elizabeth C. Norden | 0 | Daughter | — | Minnesota |
| 74 | Adam J. Lindefelser | 55 | Head | Farmer | Minnesota |
| 75 | Josephine M. Lindefelser | 50 | Wife | — | Minnesota |
| 76 | John P. Lindefelser | 23 | Son | Laborer | Minnesota |
| 77 | Henry E. Lindefelser | 21 | Son | Laborer | Minnesota |
| 78 | Harry E. Lindefelser | 16 | Son | — | Minnesota |
| 79 | Ella M. Lindefelser | 13 | Daughter | — | Minnesota |
| 80 | Oscar L. Nelson | 48 | Head | Farmer | Norway |
| 81 | Emma C. Nelson | 51 | Wife | — | Sweden |
| 82 | Austin J. Nelson | 24 | Son | Laborer | Minnesota |
| 83 | Anna R. Nelson | 20 | Daughter | — | Minnesota |
| 84 | Gust L. Nelson | 18 | Son | — | Wisconsin |
| 85 | Stanley O. Nelson | 15 | Son | — | Minnesota |
| 86 | Harriet E. Nelson | 11 | Daughter | — | Minnesota |
| 87 | Edward A. Dudley | 43 | Head | Farmer | Minnesota |
| 88 | Margaret E. Dudley | 41 | Wife | — | Minnesota |
| 89 | Mary C. Dudley THIS PERSON | 15 | Daughter | — | Minnesota |
| 90 | Joseph J. Dudley | 14 | Son | — | Minnesota |
| 91 | Margaret C. Dudley | 13 | Daughter | — | Minnesota |
| 92 | Edward A. Dudley | 12 | Son | — | Minnesota |
| 93 | Francis R. Dudley | 11 | Son | — | Minnesota |
| 94 | Dorothy A. Dudley | 9 | Daughter | — | Minnesota |
| 95 | Marcella R. Dudley | 8 | Daughter | — | Minnesota |
| 96 | Robert J. Dudley | 7 | Son | — | Minnesota |
| 97 | John B. Dudley | 4 | Son | — | Minnesota |
| 98 | Paul V. Dudley | 3 | Son | — | Minnesota |
| 99 | Lee Stewart | 40 | Hiredman | Laborer | Indiana |
| 100 | — | None | — | — | — |
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)