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Mary Mann — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Mary Mann across the 1920 and 1930 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1913), then head of a 6-person household.
Age 17
b. ~1913
Female
Daughter
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Mann |
| Given Name | Mary V. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | repair girl |
| Industry | shoe dept |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Repair Girl |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1913 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Elsie Mann | Spouse | — | 42 | ~1888 |
| Theodore Mann | Son | — | 19 | ~1911 |
| Theodore Mann | Head | — | 41 | ~1889 |
| Mamie Mann | Daughter | — | 10 | ~1920 |
| Ellsworth Mann | Son | — | 2 | ~1928 |
| Mary Mann | Daughter | — | 17 | ~1913 |
Census Appearances
1920
Baltimore, Maryland
Daughter, age 7
Baltimore, Maryland · implied b. ~1913 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mann |
| Given Name | Mary V |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Daughter, age 17
Baltimore, Maryland · implied b. ~1913 — 6 household members
| Surname | Mann |
| Given Name | Mary V. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | repair girl |
| Industry | shoe dept |
| Class of Worker | W |
| 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 Mann across 2 US Census years (1920 and 1930) in Baltimore, Maryland, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mann
Daughter · 1930 · age 17 · b. ~1913 · Maryland
★ You are viewing this record
Sibling
Theodore Mann
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ellsworth Mann
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mamie Mann
Sibling · 1930 · 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
1930 US Federal Census — Baltimore, Maryland
Open full size
1930 US Federal Census — Baltimore, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus869unit:0232)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anthony Manfre | 58 | Head | Foreman | Italy |
| 2 | Clara Manfre | 54 | Wife-H | None | Germany |
| 3 | Clara Manfre | 14 | niece | None | Maryland |
| 4 | Ludwig Larsen | 40 | Head | Carpenter | Denmark |
| 5 | Winona Larsen | 47 | Wife-H | None | Maryland |
| 6 | William Larsen | 23 | Son | Painter | Maryland |
| 7 | Merrill Larsen | 19 | Son | Painter | Maryland |
| 8 | Edward Mc Donald | 46 | Head | Fireman | Maryland |
| 9 | Clara Mc Donald | 44 | Wife-H | Shakashady | Maryland |
| 10 | Edward Jr. Mc Donald | 13 | Son | None | Maryland |
| 11 | Melvin Mc Donald | 11 | Son | None | Maryland |
| 12 | Vernon Mc Donald | 15 | Son | None | Maryland |
| 13 | Theodore Mann | 41 | Head | Body Builder | Maryland |
| 14 | Elsie Mann | 42 | Wife | None | Maryland |
| 15 | Theodore A. Mann | 19 | Son | Clerk | Maryland |
| 16 | Mary V. Mann THIS PERSON | 17 | daughter | Repair Girl | Maryland |
| 17 | Mamie N. Mann | 10 | daughter | None | Maryland |
| 18 | Ellsworth Mann | 2 | son | None | Maryland |
| 19 | William Zoller | 44 | Head | Carpenter | Maryland |
| 20 | Grace Zoller | 45 | Wife-H | None | Maryland |
| 21 | Blanche Zoller | 18 | daughter | Clerk | Maryland |
| 22 | Maurice Zoller | 14 | Son | None | Maryland |
| 23 | James Ebaugh | 57 | Head | Inspector | Maryland |
| 24 | Marie Ebaugh | 58 | Wife-H | None | Maryland |
| 25 | Sarah Hearn | 75 | mother-in-law | None | Maryland |
| 26 | Jacob Drazen | 40 | Head | Paper Man | Russia |
| 27 | Fannie Drazen | 40 | Wife-H | None | Russia |
| 28 | Cecelia Drazen | 18 | daughter | Bookkeeper | Maryland |
| 29 | Leonard Drazen | 16 | son | None | Maryland |
| 30 | Sarah Drazen | 15 | daughter | None | Maryland |
| 31 | Edith Drazen | 13 | daughter | None | Maryland |
| 32 | Dorothy Drazen | 6 | daughter | None | Maryland |
| 33 | Ruth Drazen | 2 | daughter | None | Maryland |
| 34 | Jacob Huber | 56 | Head | Cutter | Maryland |
| 35 | Lydia Huber | 55 | Wife-H | None | Maryland |
| 36 | Elena Huber | 25 | daughter | Asst. Buyer | Maryland |
| 37 | Joseph Huber | 20 | son | Bookkeeper | Maryland |
| 38 | Mary Engelmeyer | 54 | sister-in-law | Fitter | Maryland |
| 39 | Clara Engelmeyer | 77 | mother-in-law | None | Maryland |
| 40 | Elizabeth Mitz | 57 | Head | None | Maryland |
| 41 | Crystal M. Mitz | 21 | daughter | Typist | Maryland |
| 42 | Clyde E Mitz | 15 | son | None | Maryland |
| 43 | Mary Glenn | 58 | boarder | Examiner + Folder | Maryland |
| 44 | Rose Schultz | 69 | Head | None | Maryland |
| 45 | Thelma Schultz | 18 | daughter | Bookkeeper | Maryland |
| 46 | Elie Brownlee | 42 | brother-in-law | Pipe Fitter | Maryland |
| 47 | Robert Sullivan | 34 | son-in-law | Salesman | Maryland |
| 48 | John Kane | 36 | Head | Foreman | Maryland |
| 49 | Margerite Kane | 34 | Wife-H | None | Maryland |
| 50 | John Kane | 15 | son | None | Maryland |
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)