MW
Mary Watkins — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Mary Watkins across the 1910, 1920, 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1877), then head of a 3-person household.
Age 53
b. ~1877
Female
Spouse
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Watkins |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 15 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1877 |
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 Watkins | Head | — | 60 | ~1870 |
| Earl Watkins | Son | — | 11 | ~1919 |
| Mary Watkins | Spouse | — | 53 | ~1877 |
Census Appearances
1910
Baltimore, Maryland
Spouse, age 31
Baltimore, Maryland · implied b. ~1879 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Watkins |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Maryland |
| Years Married | 10 |
| Children Born | 1 |
| Children Living | 1 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Waitress |
| Industry | Private family |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Baltimore, Maryland
Spouse, age 40
Baltimore, Maryland · implied b. ~1880 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Watkins |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laundress |
| Industry | out |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Spouse, age 53
Baltimore, Maryland · implied b. ~1877 — 3 household members
| Surname | Watkins |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 15 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Other, age 64
Baltimore-City-County, Maryland · implied b. ~1876 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Watkins |
| Given Name | Mamie |
| Relationship to Head | Mother-in-law |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Widowed |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Charwoman |
| Industry | Library |
| Class of Worker | PW |
| Hours Worked | 12 |
| Income (1939) | 45 |
| Highest Grade | No 5 |
| 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 Watkins across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Watkins
Spouse · 1930 · age 53 · b. ~1877 · 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
34 people indexed on this census page (ia:1930:15thcensus866unit:0229)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Arthur Frost | 37 | Head | — | Maryland |
| 2 | Mary Frost | 34 | Wife | — | Maryland |
| 3 | Mary Frost | 11 | Daughter | — | Maryland |
| 4 | William Frost | 6 | Son | — | Maryland |
| 5 | Mary Frost | 60 | Mother-in-law | — | Pennsylvania |
| 6 | James Scarnio | 29 | Head | Laborer | Maryland |
| 7 | Mary Scarnio | 27 | Wife | — | Maryland |
| 8 | James Scarnio | 7 | Son | — | Maryland |
| 9 | Mary Scarnio | 5 | Daughter | — | Maryland |
| 10 | William James | 27 | Head | Laborer | Maryland |
| 11 | Edith James | 27 | Wife | — | Maryland |
| 12 | Katherine James | 9 | Daughter | — | Maryland |
| 13 | Louise James | 6 | Daughter | — | Maryland |
| 14 | William James | 4 | Son | — | Maryland |
| 15 | George Peck | 35 | Head | Painter | Maryland |
| 16 | Mary Peck | 31 | Wife | — | West Virginia |
| 17 | William Peck | 11 | Son | — | Maryland |
| 18 | Mary Peck | 7 | Daughter | — | Maryland |
| 19 | William Watkins | 60 | Head | — | Maryland |
| 20 | Mary Watkins THIS PERSON | 53 | Wife | — | Maryland |
| 21 | Earl Watkins | 11 | Son | — | Maryland |
| 22 | Samuel Hold | 39 | Head | Butcher | Maryland |
| 23 | Margaret Hold | 30 | Wife | — | Maryland |
| 24 | Katherine Hold | 23 | Daughter | Bookkeeper | Maryland |
| 25 | Margaret Hold | 19 | Daughter | Stenographer | Maryland |
| 26 | Samuel Hold | 17 | Son | — | Maryland |
| 27 | George Vogel | 50 | Head | Butcher | Maryland |
| 28 | Sarah Vogel | 50 | Wife | — | Maryland |
| 29 | George Vogel | 21 | Son | Clerk | Maryland |
| 30 | William Guerke | 53 | Head | — | Germany |
| 31 | William Guerke | 30 | Son | Surveyor | Maryland |
| 32 | George Guerke | 24 | Son | — | Maryland |
| 33 | Madeline Guerke | 22 | Daughter | Stenographer | Maryland |
| 34 | Edward Guerke | 20 | Son | Clerk | 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)