MP
Mary Perry — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Mary Perry across the 1920, 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1882), then head of a 5-person household.
Age 48
b. ~1882
Female
Spouse
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Perry |
| Given Name | Mary I. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 19 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore |
| Est. Birth Year | ~1882 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mildred Perry | Daughter | — | 16 | ~1914 |
| George Perry | Head | — | 50 | ~1880 |
| Edward Perry | Son | — | 10 | ~1920 |
| George Perry | Son | — | 24 | ~1906 |
| Mary Perry | Spouse | — | 48 | ~1882 |
Census Appearances
1920
Baltimore, Maryland
Spouse, age 36
Baltimore, Maryland · implied b. ~1884 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Perry |
| Given Name | Maria |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 36 |
| 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
Baltimore, Maryland
Spouse, age 48
Baltimore, Maryland · implied b. ~1882 — 5 household members
| Surname | Perry |
| Given Name | Mary I. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 19 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Head, age 58
Baltimore-City-County, Maryland · implied b. ~1882 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Perry |
| Given Name | Margaret L. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Class of Worker | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| 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 Perry across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Perry
Spouse · 1930 · age 48 · b. ~1882 · 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
48 people indexed on this census page (ia:1930:15thcensus866unit:0396)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James S. Lewis | 28 | Head | Salesman | Massachusetts |
| 2 | Ethel I. Lewis | 28 | Wife | None | Maryland |
| 3 | Lucile L. Lewis | 8 | Daughter | None | Maryland |
| 4 | James S. Lewis | 7 | Son | None | Maryland |
| 5 | Ethel I. Lewis | 6 | Daughter | None | Maryland |
| 6 | William E. Brown | 40 | Head | Fireman | Maryland |
| 7 | Theresa Brown | 36 | Wife | None | Maryland |
| 8 | Anna M. Brown | 17 | Daughter | Brusher | Maryland |
| 9 | Helen Brown | 11 | Daughter | None | Maryland |
| 10 | Edith Brown | 9 | daughter | None | Maryland |
| 11 | Ludwig Myers | 72 | Head | Excavator | Germany |
| 12 | Sophie Myers | 67 | Wife | None | Maryland |
| 13 | Cecelia Reichert | 28 | Daughter | Box Maker | Maryland |
| 14 | Dorothy Reichert | 6 | Granddaughter | None | Maryland |
| 15 | George W. Perry | 50 | Head | Candy Maker | Maryland |
| 16 | Mary I. Perry THIS PERSON | 48 | Wife | None | Maryland |
| 17 | George W. Jr. Perry | 24 | Son | Chauffer | Maryland |
| 18 | Mildred E. Perry | 16 | Daughter | None | Maryland |
| 19 | Edward E. Perry | 10 | Son | None | Maryland |
| 20 | Ernest Hendrickson | 23 | Head | Forman | Maryland |
| 21 | Mary A. Hendrickson | 26 | Wife | None | Maryland |
| 22 | Ernest D. Hendrickson | 2 | Son | None | Maryland |
| 23 | Robert R. Hendrickson | 0 | Son | None | Maryland |
| 24 | George Hare | 34 | Head | Chauffer | Maryland |
| 25 | Helen Hare | 31 | Wife | Sprayer | Maryland |
| 26 | Naomi Hare | 11 | Daughter | None | Maryland |
| 27 | Donald Hare | 6 | Son | None | Maryland |
| 28 | Junior Hare | 3 | Son | None | Maryland |
| 29 | Henry Creamer | 87 | Head | None | Germany |
| 30 | Minnie Creamer | 74 | Sister | None | Maryland |
| 31 | Barbara Mihn | 47 | Head | None | Maryland |
| 32 | Raymond H. Mihn | 25 | Son | Metal Worker | Maryland |
| 33 | William Mihn | 20 | Son | Shipping Clk | Maryland |
| 34 | George Mihn | 14 | Son | Apprentice | Maryland |
| 35 | Harold Mihn | 15 | Son | None | Maryland |
| 36 | William Sullivan | 36 | Head | Cabinet Mk | Maryland |
| 37 | Lillian Sullivan | 23 | Wife | None | Maryland |
| 38 | George Sullivan | 46 | Boarder | Finisher | Maryland |
| 39 | Walter Lookingbill | 49 | Head | Roofer | Maryland |
| 40 | Alice Lookingbill | 45 | Wife | None | Maryland |
| 41 | George Sacks | 43 | Head | Fireman | Maryland |
| 42 | Annie Sacks | 40 | Wife | None | Maryland |
| 43 | Frank Martindale | 56 | Head | Layer | Maryland |
| 44 | Lena Martindale | 53 | Wife | None | Maryland |
| 45 | Thelma Martindale | 24 | Daughter | Sprayer | Maryland |
| 46 | Harry N. Nurer | 32 | Head | Laborer | Maryland |
| 47 | Helen C. Nurer | 27 | Wife | None | Maryland |
| 48 | Gloria Mae Nurer | 5 | Daughter | 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)