MP
Martha Peterson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Martha Peterson across the 1920 and 1930 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1920), then head of a 7-person household.
Age 10
b. ~1920
Female
Daughter
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Peterson |
| Given Name | Martha K. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | 8Th District Eccuon |
| Est. Birth Year | ~1920 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| William Peterson | Son | — | 3 | ~1927 |
| Gilbert Peterson | Son | — | 9 | ~1921 |
| Martha Peterson | Daughter | — | 10 | ~1920 |
| Charles Peterson | Son | — | 12 | ~1918 |
| Ollie Peterson | Spouse | — | 31 | ~1899 |
| Lewis Peterson | Son | — | 6 | ~1924 |
| Lewis Peterson | Head | — | 33 | ~1897 |
Census Appearances
1920
Baltimore, Maryland
Daughter, age
Baltimore, Maryland · implied b. ~1920 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Daughter, age 10
Baltimore, Maryland · implied b. ~1920 — 7 household members
| Surname | Peterson |
| Given Name | Martha K. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| 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 Peterson across 2 US Census years (1920 and 1930) in Baltimore, Maryland, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Peterson
Daughter · 1930 · age 10 · b. ~1920 · Maryland
★ You are viewing this record
Sibling
Charles Peterson
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lewis Peterson
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gilbert Peterson
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Peterson
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
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:1930:15thcensus846unit:0413)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Francis A. Roberts | 19 | Son | Farmer | Maryland |
| 2 | Marvin L. Roberts | 17 | Son | Farmer | Maryland |
| 3 | Emory P. Roberts | 15 | Son | — | Maryland |
| 4 | Harry E. Whitehead | 37 | Head | Gardener | Maryland |
| 5 | Josie M. Whitehead | 29 | Wife | — | Washington D.C. |
| 6 | Harry E. Jr. Whitehead | 12 | Son | — | Maryland |
| 7 | Calvin C. Whitehead | 9 | Son | — | Maryland |
| 8 | Daniel S. Whitehead | 8 | Son | — | Maryland |
| 9 | Lewis H. Peterson | 33 | Head | Landscaping | Maryland |
| 10 | Ollie M. Peterson | 31 | Wife | — | Maryland |
| 11 | Charles H. Peterson | 12 | Son | — | Maryland |
| 12 | Martha K. Peterson THIS PERSON | 10 | Daughter | — | Maryland |
| 13 | Gilbert J. Peterson | 9 | Son | — | Maryland |
| 14 | Lewis Jr. Peterson | 6 | Son | — | Maryland |
| 15 | William J. Peterson | 3 | Son | — | Maryland |
| 16 | Orville Peterson | 40 | Head | Laborer | Maryland |
| 17 | Bessie Peterson | 40 | Wife | — | Maryland |
| 18 | Vernon M. Peterson | 15 | Son | — | Maryland |
| 19 | Martha Peterson | 4 | Daughter | — | Maryland |
| 20 | Marjorie Peterson | 3 | Daughter | — | Maryland |
| 21 | James E. Howard | 42 | Head | Laborer | Maryland |
| 22 | Ella E. Howard | 42 | Wife | — | Maryland |
| 23 | Julia M. Howard | 21 | Daughter | — | Maryland |
| 24 | Linwood Howard | 17 | Son | Mechanic | Maryland |
| 25 | John H. Thaler | 33 | Head | Laborer | Maryland |
| 26 | Viola L. Thaler | 31 | Wife | — | Maryland |
| 27 | Richard H. Thaler | 13 | Son | — | Maryland |
| 28 | Vivian J. Thaler | 10 | Daughter | — | Maryland |
| 29 | Ruth G. Thaler | 6 | Daughter | — | Maryland |
| 30 | John H. Thaler | 1 | Son | — | Maryland |
| 31 | Josiah Howard | 68 | Head | Laborer | Maryland |
| 32 | Annie M. Howard | 61 | Wife | — | Maryland |
| 33 | John H. Riggle | 41 | Head | Fireman | Maryland |
| 34 | Pearl L. Riggle | 41 | Wife | — | Maryland |
| 35 | Lillian M. Riggle | 18 | Daughter | — | Maryland |
| 36 | John H. Riggle | 15 | Son | — | Maryland |
| 37 | George N. Riggle | 12 | Son | — | Maryland |
| 38 | Melvin J. Riggle | 7 | Son | — | Maryland |
| 39 | Alex De Chize | 39 | Head | — | Russia |
| 40 | Elena De Chize | 32 | Wife | — | New York |
| 41 | Vera De Chize | 3 | Daughter | — | New York |
| 42 | Rebecca Brown | 48 | Servant | Servant | Maryland |
| 43 | Pauline Brown | 24 | Servant | Servant | Maryland |
| 44 | Winifred Feather | 52 | Nurse | Nurse | England |
| 45 | Daniel Remmils | 68 | Head | — | Maryland |
| 46 | Thomas E. Stroh | 27 | Head | Carpenter | Maryland |
| 47 | Elsie E. Stroh | 27 | Wife | — | Maryland |
| 48 | Velma E. Stroh | 5 | Daughter | — | Maryland |
| 49 | Ruth C. Stroh | 3 | Daughter | — | Maryland |
| 50 | Moses W. Howard | 54 | Head | Laborer | 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)