SM
Sarah Martin — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Sarah Martin across the 1910, 1920, 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a head (b.~1875), then head of a 3-person household.
Age 55
b. ~1875
Female
Head
Born: Maryland
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Martin |
| Given Name | Sarah J. |
| Relationship to Head | head |
| Sex | F |
| Color / Race | Black |
| Age | 55 |
| Marital Status | Widowed |
| Birthplace | Maryland |
| Age at First Marriage | 21 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | laundress |
| Industry | at home |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 22 |
| Radio Set | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Laundress |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1875 |
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 Sarah | Age | Birth yr |
|---|---|---|---|---|
| Sarah Martin | Head | — | 55 | ~1875 |
| James Parker | Other | — | 54 | ~1876 |
| Wesley Martin | Son | — | 21 | ~1909 |
Census Appearances
1910
Baltimore, Maryland
Head, age 39
Baltimore, Maryland · implied b. ~1871 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Sarah J. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Maryland |
| Years Married | 19 |
| Children Born | 7 |
| Children Living | 7 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laundress |
| Industry | At Home |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Baltimore, Maryland
Head, age 49
Baltimore, Maryland · implied b. ~1871 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Sarah J. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 49 |
| Marital Status | Widowed |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laundress |
| Industry | At home |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Head, age 55
Baltimore, Maryland · implied b. ~1875 — 3 household members
| Surname | Martin |
| Given Name | Sarah J. |
| Relationship to Head | head |
| Sex | F |
| Color / Race | Black |
| Age | 55 |
| Marital Status | Widowed |
| Birthplace | Maryland |
| Age at First Marriage | 21 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | laundress |
| Industry | at home |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 22 |
| Radio Set | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Other, age 61
Baltimore-City-County, Maryland · implied b. ~1879 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Sarah J |
| Relationship to Head | Lodger |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Widowed |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Clerk |
| Industry | Guaranty Finance Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| 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 Sarah Martin across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Sarah Martin
Head · 1930 · age 55 · b. ~1875 · Maryland
★ You are viewing this record
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:1930:15thcensus860unit:0762)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Helen Gibson | 45 | head | Laundress | Maryland |
| 52 | Mabel Gibson | 22 | daughter | House Maid | Maryland |
| 53 | Roland Gibson | 21 | son | Cement Finisher | Maryland |
| 54 | Harrison Dorsey | 6 | son | None | Maryland |
| 55 | Sophia Dorsey | 4 | daughter | None | Maryland |
| 56 | Albert Dorsey | 42 | roomer | Teamster | Maryland |
| 57 | Georgia Williams | 49 | head | Laundress | Maryland |
| 58 | Henry White | 27 | nephew | Teamster | Maryland |
| 59 | Sarah J. Martin THIS PERSON | 55 | head | Laundress | Maryland |
| 60 | Wesley Martin | 21 | son | Carpenter | Maryland |
| 61 | James B. Parker | 54 | roomer | Carpenter | Maryland |
| 62 | Sam Nochumovitz | 30 | head | Proprietor | Latvia |
| 63 | Ida Nochumovitz | 22 | wife | None | Maryland |
| 64 | Nathan Nochumovitz | 2 | son | None | Maryland |
| 65 | Sarah Nochumovitz | 0 | daughter | None | Maryland |
| 66 | Herbert Williams | 46 | head | Helper | Virginia |
| 67 | Bertha Williams | 42 | wife | Laundress | Virginia |
| 68 | William Robinson | 55 | head | Stevedore | Virginia |
| 69 | Annie Robinson | 52 | wife | Housework | Maryland |
| 70 | Alice Bell | 27 | daughter | None | Maryland |
| 71 | Gladys Robinson | 16 | niece | Days Work | Maryland |
| 72 | Luvenia James | 12 | gr dau | None | Maryland |
| 73 | Elizabeth James | 9 | gr dau | None | Maryland |
| 74 | Marie James | 9 | gr child | None | Maryland |
| 75 | Joseph James | 7 | gr son | None | Maryland |
| 76 | Ruth James | 4 | gr child | None | Maryland |
| 77 | Louise James | 2 | gr child | None | Maryland |
| 78 | Susie Loney | 42 | head | House Maid | Virginia |
| 79 | Bessie Harrell | 24 | daughter | Laundress | Virginia |
| 80 | Olenia Harrell | 18 | daughter | None | Virginia |
| 81 | Rebecca Webster | 60 | roomer | None | Maryland |
| 82 | Sam Goldberg | 32 | head | None | Russia |
| 83 | Annie Goldberg | 32 | wife | None | Russia |
| 84 | Ida Goldberg | 12 | daughter | None | Maryland |
| 85 | Jennie Goldberg | 13 | daughter | None | Maryland |
| 86 | Rosie Goldberg | 9 | daughter | None | Maryland |
| 87 | Sylvia Goldberg | 6 | daughter | None | Maryland |
| 88 | Dora Goldberg | 4 | daughter | None | Maryland |
| 89 | Joe Goldberg | 1 | son | None | Maryland |
| 90 | Oliver Foster | 37 | head | Stevedore | Maryland |
| 91 | Olenia Foster | 32 | wife | None | Maryland |
| 92 | Oliver Jr. Foster | 14 | son | None | Maryland |
| 93 | Hillary Peters | 30 | roomer | Chauffeur | Maryland |
| 94 | Elsie Peters | 29 | roomer | Presser | Maryland |
| 95 | Florence Hayes | 45 | head | House | Virginia |
| 96 | Levi Hayes | 24 | son | Stevedore | Virginia |
| 97 | Elsie Hayes | 18 | daughter | Laundress | Virginia |
| 98 | Mamie Hayes | 15 | daughter | None | Virginia |
| 99 | John Hayes | 13 | son | None | Virginia |
| 100 | Anderson Willis | 26 | roomer | Laborer | Virginia |
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)