MR
Mary Richards — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Mary Richards across the 1920, 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1899), then head of a 3-person household.
Age 31
b. ~1899
Female
Spouse
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Richards |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 21 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Est. Birth Year | ~1899 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| William Richards | Head | — | 30 | ~1900 |
| William Richards | Son | — | 11 | ~1919 |
| Mary Richards | Spouse | — | 31 | ~1899 |
Census Appearances
1920
Baltimore, Maryland
Other, age 20
Baltimore, Maryland · implied b. ~1900 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Richards |
| Given Name | Mary |
| Relationship to Head | Daughter-in-law |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| 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 31
Baltimore, Maryland · implied b. ~1899 — 3 household members
| Surname | Richards |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 21 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
Spouse, age 42
Baltimore-City-County, Maryland · implied b. ~1898 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Richardson |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore City |
| Occupation | 0 |
| Industry | 0 |
| Class of Worker | 0 |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 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 Richards across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Richards
Spouse · 1930 · age 31 · b. ~1899 · 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:1930:15thcensus852unit:1050)
| Line | Name | Age | Relation | Birthplace |
|---|---|---|---|---|
| 51 | Edgar Hobart | 51 | Head | Maryland |
| 52 | Austin Jenness | 54 | Head | Maryland |
| 53 | Lula Jenness | 42 | Wife | Maryland |
| 54 | June Jenness | 20 | Daughter | Maryland |
| 55 | Stephen Jenness | 18 | Son | Maryland |
| 56 | Edgar Jenness | 14 | Son | Maryland |
| 57 | Albert H Lain | 35 | Head | Maryland |
| 58 | Mabel Lain | 33 | Sister | Maryland |
| 59 | Louis Heckner | 51 | Head | Maryland |
| 60 | Minnie H Heckner | 45 | Wife | Maryland |
| 61 | Louis Heckner | 27 | Son | Maryland |
| 62 | Helen Heckner | 15 | Daughter | Maryland |
| 63 | Louis Heckner | 2 | Grandson | Maryland |
| 64 | Robert Brown | 71 | Head | Maryland |
| 65 | Mary E Brown | 68 | Wife | Maryland |
| 66 | Mary Brown | 18 | Daughter | Maryland |
| 67 | Raymond Greyson | 31 | Head | Maryland |
| 68 | Kathryn Greyson | 29 | Wife | Maryland |
| 69 | Kathryn Greyson | 6 | Daughter | Maryland |
| 70 | Raymond Greyson | 4 | Son | Maryland |
| 71 | Hellen Greyson | 1 | Daughter | Maryland |
| 72 | Mabel Lewis | 17 | Sister-in-law | Maryland |
| 73 | Joseph Schanerman | 72 | Head | Maryland |
| 74 | George Schanerman | 51 | Son | Maryland |
| 75 | Minnie Schanerman | 51 | Wife | Maryland |
| 76 | Dorothy Schanerman | 12 | Daughter | Maryland |
| 77 | Sarah Davis | 43 | Sister-in-law | Maryland |
| 78 | Frederick Junger | 73 | Head | Maryland |
| 79 | Sallie Junger | 48 | Daughter | Maryland |
| 80 | David Junger | 30 | Son | Maryland |
| 81 | Augustus Gody | 54 | Head | Maryland |
| 82 | Mary Gody | 56 | Wife | Maryland |
| 83 | Augustus Gody | 31 | Son | Maryland |
| 84 | Minnie Gody | 28 | Daughter | Maryland |
| 85 | Eugene Hamilton | 44 | Head | Maryland |
| 86 | Dora Hamilton | 10 | Wife | Maryland |
| 87 | Eugene Hamilton | 14 | Son | Maryland |
| 88 | William Richards | 30 | Head | Maryland |
| 89 | Mary Richards THIS PERSON | 31 | Wife | Maryland |
| 90 | William Richards | 11 | Son | Maryland |
| 91 | Fred Neilson | 41 | Head | Maryland |
| 92 | Alice Neilson | 46 | Daughter | Maryland |
| 93 | John Amiani | 48 | Head | Maryland |
| 94 | Lizzie Amiani | 22 | Daughter | Maryland |
| 95 | George Herman | 31 | Head | Maryland |
| 96 | Dorothy Herman | 15 | Daughter | Maryland |
| 97 | Michael Pass | 26 | Head | Maryland |
| 98 | Florence Pass | 21 | Wife | 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)