MN
Mary Nixon — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Mary Nixon across the 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 8-person household.
Age 1
b. ~1929
Female
Daughter
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Nixon |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | North Carolina |
| Additional Details | |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Est. Birth Year | ~1929 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| James Nixon | Son | — | 6 | ~1924 |
| Josephine Nixon | Daughter | — | ~1930 | |
| William Nixon | Son | — | 9 | ~1921 |
| Benjamin Nixon | Son | — | 11 | ~1919 |
| Benjamin Nixon | Head | — | 44 | ~1886 |
| Mary Nixon | Daughter | — | 1 | ~1929 |
| Annie Nixon | Daughter | — | 4 | ~1926 |
| Annie Nixon | Spouse | — | 38 | ~1892 |
Census Appearances
1930
Baltimore, Maryland
Daughter, age 1
Baltimore, Maryland · implied b. ~1929 — 8 household members
| Surname | Nixon |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | North Carolina |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-County, Maryland
Daughter, age 11
Baltimore-County, Maryland · implied b. ~1929 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nixon |
| Given Name | Margaret, L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 4 |
| 1935 Residence (County) | Baltimore |
| 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 Nixon across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Nixon
Daughter · 1930 · age 1 · b. ~1929 · Maryland
★ You are viewing this record
Sibling
James Nixon
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Nixon
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Josephine Nixon
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Benjamin Nixon
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annie Nixon
Sibling · 1930 · age 4
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:1930:15thcensus858unit:0795)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Gertrude Conway | 40 | daughter | Laundress | Maryland |
| 52 | Isom Freeland | 50 | Boarder | Chauffeur | Maryland |
| 53 | Phillip Rogers | 26 | Head | Chauffeur | Maryland |
| 54 | Albert Rogers | 26 | Brother | Chauffeur | Maryland |
| 55 | Welthy Thompson | 79 | Head | — | Maryland |
| 56 | William Thompson | 46 | Son | — | Maryland |
| 57 | Isaac Thompson | 37 | Son | Porter | Maryland |
| 58 | George Diggs | 23 | Head | Chauffeur | Maryland |
| 59 | Gladys Diggs | 25 | Wife | — | Maryland |
| 60 | George Jr. Diggs | 2 | Son | — | Maryland |
| 61 | Lucille Diggs | 0 | Daughter | — | Maryland |
| 62 | Beatrice Diggs | 27 | Sister | Chauffeur | Maryland |
| 63 | George Diggs | 34 | Uncle | Porter | Virginia |
| 64 | Edith Diggs | 38 | Aunt | — | Virginia |
| 65 | Benjamin Nixon | 44 | Head | Laborer | North Carolina |
| 66 | Annie H. Nixon | 38 | Wife | Retail Merchant | Maryland |
| 67 | Benjamin Jr. Nixon | 11 | Son | — | Maryland |
| 68 | William Nixon | 9 | Son | — | Maryland |
| 69 | James Nixon | 6 | Son | — | Maryland |
| 70 | Annie Nixon | 4 | Daughter | — | Maryland |
| 71 | Mary Nixon THIS PERSON | 1 | Daughter | — | Maryland |
| 72 | Josephine Nixon | 0 | Daughter | — | Maryland |
| 73 | William Weems | 53 | Head | — | Maryland |
| 74 | Dorothy Weems | 42 | Granddaughter | Laborer | Maryland |
| 75 | Mary Weems | 38 | Daughter | — | Maryland |
| 76 | Constance Weems | 11 | Granddaughter | — | Maryland |
| 77 | Dorothy Weems | 10 | Granddaughter | — | Maryland |
| 78 | William Weems | 7 | Grandson | — | Maryland |
| 79 | James Weems | 5 | Grandson | — | Maryland |
| 80 | Margaret Weems | 3 | Granddaughter | — | Maryland |
| 81 | Thomas Weems | 1 | Grandson | — | Maryland |
| 82 | Martin Howard | 39 | Brother | — | Maryland |
| 83 | William Jones | 60 | Head | Porter | Mississippi |
| 84 | Helena Jones | 48 | Wife | — | Maryland |
| 85 | William Jr. Jones | 34 | Son | Porter | District of Columbia |
| 86 | George Frost | 50 | Head | Laundress | Maryland |
| 87 | Alice Frost | 28 | Daughter | Maid | Maryland |
| 88 | Elizabeth Frost | 22 | Daughter | Cook | Maryland |
| 89 | Robert Frost | 17 | Son | — | Maryland |
| 90 | Elizabeth Frost | 10 | Daughter | — | Maryland |
| 91 | Clark D. Tuck | 25 | Head | Laborer | Virginia |
| 92 | Sadie Tuck | 20 | Wife | Housework | South Carolina |
| 93 | John Smith | 37 | Head | Laborer | Virginia |
| 94 | Bernice Smith | 33 | Wife | Housework | Virginia |
| 95 | Margaret Smith | 13 | Daughter | — | Virginia |
| 96 | John Smith | 11 | Son | — | Virginia |
| 97 | William Smith | 9 | Son | — | Virginia |
| 98 | Elizabeth Smith | 7 | Daughter | — | Virginia |
| 99 | Benjamin Wood | 48 | Head | Laborer | Maryland |
| 100 | Annie Wood | 37 | Wife | Housework | 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)