MR
Martha Ross — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Martha Ross across the 1920 and 1930 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a head (b.~1876), then head of a 5-person household.
Age 54
b. ~1876
Female
Head
Born: Maryland
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Ross |
| Given Name | Martha |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 54 |
| Marital Status | Widowed |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Laundress |
| Industry | Private |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 35.00 |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Laundress |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1876 |
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 Martha | Age | Birth yr |
|---|---|---|---|---|
| Charles Ross | Son | — | 26 | ~1904 |
| Blanche Ross | Daughter | — | 13 | ~1917 |
| Ethel Ross | Daughter | — | 15 | ~1915 |
| Martha Ross | Head | — | 54 | ~1876 |
| Helen Ross | Daughter | — | 22 | ~1908 |
Census Appearances
1920
Baltimore, Maryland
Spouse, age 42
Baltimore, Maryland · implied b. ~1878 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ross |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laundress |
| Industry | At home |
| 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
Head, age 54
Baltimore, Maryland · implied b. ~1876 — 5 household members
| Surname | Ross |
| Given Name | Martha |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 54 |
| Marital Status | Widowed |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laundress |
| Industry | Private |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 35.00 |
| 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 Martha Ross across 2 US Census years (1920 and 1930) in Baltimore, Maryland, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Ross
Head · 1930 · age 54 · b. ~1876 · 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:1930:15thcensus858unit:0746)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Florence Simms | 19 | Roomer | — | Maryland |
| 52 | Fred Simms | 17 | Roomer | Laborer | Maryland |
| 53 | Charles Simms | 16 | Roomer | — | Maryland |
| 54 | Clarence Simms | 12 | Roomer | — | Maryland |
| 55 | Ardie Belle | 47 | Head | Mechanic | Maryland |
| 56 | Jane Belle | 37 | Wife | — | Maryland |
| 57 | Evelyn Belle | 14 | Daughter | — | Maryland |
| 58 | Joseph Creek | 38 | Brother | Driver | Maryland |
| 59 | Alberta Creek | 24 | Sis-in-law | — | Maryland |
| 60 | Martha Ross THIS PERSON | 54 | Head | Laundress | Maryland |
| 61 | Charles Ross | 26 | Son | Chauffeur | Maryland |
| 62 | Helen Ross | 22 | Daughter | Housework | Maryland |
| 63 | Ethel Ross | 15 | Daughter | — | Maryland |
| 64 | Blanche Ross | 13 | Daughter | — | Maryland |
| 65 | Charles H. Lee | 32 | Head | Chauffeur | Maryland |
| 66 | Anna D. Lee | 34 | Wife | — | Maryland |
| 67 | Estella T. Lee | 13 | Daughter | — | Maryland |
| 68 | Charles A. Lee | 11 | Son | — | Maryland |
| 69 | Catherine D. Lee | 9 | Daughter | — | Maryland |
| 70 | William B. Lee | 6 | Son | — | Maryland |
| 71 | Jacob W. Lee | 5 | Son | — | Maryland |
| 72 | James S. Lee | 3 | Son | — | Maryland |
| 73 | Joseph E. Lee | 2 | Son | — | Maryland |
| 74 | Mary E. Lee | 0 | Daughter | — | Maryland |
| 75 | John F. Hebb | 63 | Brother | Laborer | Maryland |
| 76 | Lawrence Sampson | 37 | Head | Butler | Maryland |
| 77 | Blanche Sampson | 35 | Wife | — | Maryland |
| 78 | Arnold Sampson | 14 | Son | — | Maryland |
| 79 | Merrill Sampson | 12 | Son | — | Maryland |
| 80 | Constance Sampson | 11 | Daughter | — | Maryland |
| 81 | Harry Harrison | 28 | Roomer | Chauffeur | Maryland |
| 82 | Joseph Lewis | 34 | Head | Painter | Maryland |
| 83 | Mary Lewis | 63 | Wife | — | Maryland |
| 84 | Howard Carter | 40 | Head | Laborer | Maryland |
| 85 | Lena Carter | 40 | Wife | Janitress | Maryland |
| 86 | Mildred Carter | 18 | Daughter | — | Maryland |
| 87 | Tennyson Carter | 12 | Son | — | Maryland |
| 88 | Clarice Carter | 9 | Daughter | — | Maryland |
| 89 | Berkeley Carter | 7 | Daughter | — | Maryland |
| 90 | William Washington | 50 | Head | Laborer | Maryland |
| 91 | Annie Taylor | 45 | Roomer | — | Maryland |
| 92 | Bertha Clayton | 19 | Roomer | Maid | Maryland |
| 93 | Mildred Tucker | 16 | Roomer | — | Maryland |
| 94 | Thomas Conaway | 58 | Head | Laborer | Maryland |
| 95 | Rosie Conaway | 56 | Wife | — | Maryland |
| 96 | Bertha Conaway | 24 | Daughter | Maid | Maryland |
| 97 | Clarence Davenport | 26 | Roomer | Chauffeur | Maryland |
| 98 | Clifton Davenport | 21 | Roomer | Laborer | Maryland |
| 99 | Clara Davenport | 20 | Roomer | — | Maryland |
| 100 | Marion Davenport | 7 | Roomer | — | 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)