MD
Mary Dunn — 1930 US Census Record
Linked across censuses1930 United States Federal Census · None, Maryland
Our Model Tree links this Mary Dunn across the 1910, 1920 and 1930 US Censuses in Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1872), then head of a 7-person household.
Age 58
b. ~1872
Female
Spouse
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | None, Maryland |
| Surname | Dunn |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 18 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore |
| Est. Birth Year | ~1872 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| John Dunn | Head | — | 60 | ~1870 |
| William Dunn | Other | — | 7 | ~1923 |
| John Dunn | Other | — | 11 | ~1919 |
| Harold Dunn | Other | — | 10 | ~1920 |
| John Dunn | Son | — | 34 | ~1896 |
| Donald Dunn | Son | — | 30 | ~1900 |
| Mary Dunn | Spouse | — | 58 | ~1872 |
Census Appearances
1910
Baltimore, Maryland
Spouse, age 40
Baltimore, Maryland · implied b. ~1870 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunn |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Maryland |
| Years Married | 21 |
| Children Born | 5 |
| Children Living | 5 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
None, Maryland
Spouse, age 50
None, Maryland · implied b. ~1870 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunn |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
None, Maryland
Spouse, age 58
None, Maryland · implied b. ~1872 — 7 household members
| Surname | Dunn |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 18 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Dunn across 3 US Census years (1910, 1920 and 1930) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Dunn
Spouse · 1930 · age 58 · b. ~1872 · Maryland
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — None, Maryland
Open full size
1930 US Federal Census — None, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus856unit:0290)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James L. Roche | 59 | Head | — | Maryland |
| 2 | Mary E. Roche | 57 | Wife | — | Maryland |
| 3 | Elizabeth J. Roche | 32 | Daughter | — | Maryland |
| 4 | Edward J. Roche | 23 | Son | Typist | Maryland |
| 5 | Virgil J. Dade | 55 | Head | Chauffeur | Maryland |
| 6 | Katherine M. Dade | 33 | Wife | — | Maryland |
| 7 | Margaret E. Dade | 6 | Daughter | — | Maryland |
| 8 | Charles Searley | 45 | Lodger | — | Maryland |
| 9 | Mary A. Huff | 72 | Head | — | Maryland |
| 10 | Raymond Grady | 32 | Head | — | Maryland |
| 11 | Madeline Grady | 33 | Wife | — | Maryland |
| 12 | Raymond J. Grady | 10 | Son | — | Maryland |
| 13 | Madeline Grady | 3 | Daughter | — | Maryland |
| 14 | Mary Grady | 1 | Daughter | — | Maryland |
| 15 | John Dunn | 60 | Head | — | Maryland |
| 16 | Mary Dunn THIS PERSON | 58 | Wife | — | Maryland |
| 17 | John Dunn | 34 | Son | — | Maryland |
| 18 | Donald J. Dunn | 30 | Son | — | Maryland |
| 19 | John Dunn | 11 | Grandson | — | Maryland |
| 20 | Harold Dunn | 10 | Grandson | — | Maryland |
| 21 | William Dunn | 7 | Grandson | — | Maryland |
| 22 | John P. Bergeron | 27 | Head | — | Maryland |
| 23 | Mary Bergeron | 27 | Wife | — | Maryland |
| 24 | William G. Bergeron | 23 | Head | — | Maryland |
| 25 | Mary Bergeron | 22 | Wife | — | Maryland |
| 26 | Mary Bergeron | 1 | Daughter | — | Maryland |
| 27 | Mary Allen | 63 | Head | — | Maryland |
| 28 | Florence Allen | 30 | Daughter | — | Maryland |
| 29 | Allen | None | — | — | — |
| 30 | Jacob Hunt | 53 | Head | — | Maryland |
| 31 | Margaret Hunt | 52 | Wife | — | Maryland |
| 32 | Jacob Hunt | 34 | Son | — | Maryland |
| 33 | George Turnbaugh | 71 | Head | — | Maryland |
| 34 | Catherine Turnbaugh | 70 | Wife | — | Maryland |
| 35 | Sarah P. Turnbaugh | 54 | Daughter | — | Maryland |
| 36 | Ernest Murray | 75 | Head | — | Maryland |
| 37 | Lee Dorman | 27 | Head | — | Maryland |
| 38 | Elva Dorman | 26 | Wife | — | Maryland |
| 39 | Robert Lee Dorman | 5 | Son | — | Maryland |
| 40 | Joseph Ricker | 49 | Head | Sales Lady | Maryland |
| 41 | Eva H. Ricker | 40 | Wife | — | Maryland |
| 42 | Robert Simpson | 48 | Head | — | Maryland |
| 43 | Anna Simpson | 45 | Wife | — | Maryland |
| 44 | William Hoffman | 44 | Son-in-law | — | Maryland |
| 45 | Madeline Hoffman | 22 | Daughter | — | Maryland |
| 46 | Walter Furlong | 27 | Head | Printer | Maryland |
| 47 | Theresa Furlong | 27 | Wife | — | Maryland |
| 48 | Walter J. Furlong | 5 | Son | — | Maryland |
| 49 | Marie Furlong | 4 | Daughter | — | Maryland |
| 50 | Furlong | 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)