MF
Mary Frank — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Mary Frank across the 1920 and 1930 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1901), then head of a 9-person household.
Age 29
b. ~1901
Female
Spouse
Born: Poland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Frank |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Poland |
| Naturalization Status | Alien |
| Year of Immigration | 1903 |
| Age at First Marriage | 16 |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | Polish |
| Veteran | No |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1901 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Frances Frank | Daughter | — | 8 | ~1922 |
| Doloris Frank | Daughter | — | ~1930 | |
| Anna Frank | Daughter | — | 12 | ~1918 |
| James Frank | Head | — | 36 | ~1894 |
| Leon Frank | Son | — | 4 | ~1926 |
| Michal Frank | Son | — | 2 | ~1928 |
| James Frank | Son | — | 10 | ~1920 |
| Joseph Frank | Son | — | 7 | ~1923 |
| Mary Frank | Spouse | — | 29 | ~1901 |
Census Appearances
1920
X, Maryland
Spouse, age 18
X, Maryland · implied b. ~1902 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Frank |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Married |
| Birthplace | Poland |
| Year of Immigration | 1902 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Polish |
| Birth Country | Poland |
| Year of Naturalization | 1916 |
| Birthplace (normalized) | poland |
1930
Baltimore, Maryland
Spouse, age 29
Baltimore, Maryland · implied b. ~1901 — 9 household members
| Surname | Frank |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Poland |
| Naturalization Status | Alien |
| Year of Immigration | 1903 |
| Age at First Marriage | 16 |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Can Read/Write | Yes |
| Mother Tongue | Polish |
| Veteran | No |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
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 Frank across 2 US Census years (1920 and 1930) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Frank
Spouse · 1930 · age 29 · b. ~1901 · 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 — Baltimore, Maryland
Open full size
1930 US Federal Census — Baltimore, Maryland
Page Contents
41 people indexed on this census page (ia:1930:15thcensus849unit:0041)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Charles Wojcik | 28 | Head | Plumber | Maryland |
| 52 | Frances Wojcik | 28 | Wife | — | Maryland |
| 53 | Christian Waver | 71 | Head | Shipyard | Maryland |
| 54 | Marguerite Waver | 57 | Wife | — | Germany |
| 55 | Adam Schmider | 58 | Head | Laborer | Maryland |
| 56 | Joseph Speratto | 37 | Head | Painter | Italy |
| 57 | Mary Speratto | 28 | Wife | — | Maryland |
| 58 | Joseph Speratto | 7 | Son | — | Maryland |
| 59 | Anton Speratto | 4 | Son | — | Maryland |
| 60 | Anton Askie | 67 | Head | Watchman | Maryland |
| 61 | Julian Rogarski | 45 | Head | Laborer | Poland |
| 62 | Katharine Rogarski | 44 | Wife | — | Poland |
| 63 | Walenty A. Rogarski | 18 | Son | Laborer | Maryland |
| 64 | John A. Rogarski | 13 | Son | — | Pennsylvania |
| 65 | Joseph Zezulinski | 31 | Head | Shoemaker | Poland |
| 66 | Elizabeth Zezulinski | 31 | Wife | — | Poland |
| 67 | Lillian Zezulinski | 5 | Daughter | — | Maryland |
| 68 | Thomas Zezulinski | 4 | Son | — | Maryland |
| 69 | Constance Zezulinski | 2 | Daughter | — | Maryland |
| 70 | Andrew Slonkowski | 25 | Head | Laborer | Maryland |
| 71 | Josephine Slonkowski | 23 | Wife | — | Maryland |
| 72 | Andrew Jr. Slonkowski | 1 | Son | — | Maryland |
| 73 | Doris Slonkowski | 0 | Daughter | — | Maryland |
| 74 | James V. Frank | 36 | Head | Laborer | Pennsylvania |
| 75 | Mary Frank THIS PERSON | 29 | Wife | — | Poland |
| 76 | Anna Frank | 12 | Daughter | — | Maryland |
| 77 | James Frank | 10 | Son | — | Maryland |
| 78 | Frances Frank | 8 | Daughter | — | Maryland |
| 79 | Joseph Frank | 7 | Son | — | Maryland |
| 80 | Leon Frank | 4 | Son | — | Maryland |
| 81 | Michal Frank | 2 | Son | — | Maryland |
| 82 | Doloris Frank | 0 | Daughter | — | Maryland |
| 83 | Mary Bolling | 71 | Head | — | Maryland |
| 84 | William Bolling | 51 | Son | Laborer | Maryland |
| 85 | Jacob Bolling | 43 | Son | Machinist | Maryland |
| 86 | Pearl Bolling | 37 | Daughter | Saleslady | Maryland |
| 87 | Antoni Lapinski | 48 | Head | Laborer | Poland |
| 88 | Alexandra Lapinski | 47 | Wife | — | Poland |
| 89 | Antonina Lapinski | 16 | Daughter | — | Maryland |
| 90 | Josephine Lapinski | 14 | Daughter | — | Maryland |
| 91 | Milton Lapinski | 12 | Son | — | Maryland |
Related Census Records
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)