MF
Mary Francis — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Mary Francis across the 1920 and 1930 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1908), then head of a 12-person household.
Age 22
b. ~1908
Female
Daughter
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Francis |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Cook |
| Industry | Hotel |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Cook |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1908 |
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.
12 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| John Francis | Son | — | 21 | ~1909 |
| Mary Francis | Daughter | — | 64 | ~1866 |
| James Francis | Son | — | 20 | ~1910 |
| William Francis | Son | — | 21 | ~1909 |
| John Francis | Son | — | 21 | ~1909 |
| James Francis | Son | — | 20 | ~1910 |
| Arthur Francis | Son | — | 40 | ~1890 |
| Arthur Francis | Son | — | 21 | ~1909 |
| James Francis | Son | — | 24 | ~1906 |
| John Francis | Head | — | 41 | ~1889 |
| Arthur Francis | Son | — | 20 | ~1910 |
| Mary Francis | Daughter | — | 22 | ~1908 |
Census Appearances
1920
None, Maryland
Daughter, age 15
None, Maryland · implied b. ~1905 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Francis |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Daughter, age 22
Baltimore, Maryland · implied b. ~1908 — 12 household members
| Surname | Francis |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Cook |
| Industry | Hotel |
| Class of Worker | W |
| 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 Mary Francis across 2 US Census years (1920 and 1930) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Francis
Daughter · 1930 · age 22 · b. ~1908 · Maryland
★ You are viewing this record
Sibling
John Francis
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Francis
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Francis
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Francis
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Francis
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Francis
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Francis
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Francis
Sibling · 1930 · age 40
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Francis
Sibling · 1930 · age 64
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Francis
Sibling · 1930 · age 20
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:1930:15thcensus861unit:0158)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George Fisher | 38 | Head | Baker | Maryland |
| 2 | Emma M. Fisher | 30 | Wife | Packer | Maryland |
| 3 | Nellie Fisher | 40 | Head | Cook | Maryland |
| 4 | George Fisher | 19 | Son | Laborer | Maryland |
| 5 | John Fisher | 17 | Son | Laborer | Maryland |
| 6 | Edgar Minor | 28 | Head | Houseman | Maryland |
| 7 | Evelyn Minor | 21 | Wife | — | Maryland |
| 8 | Arthur Minor | 3 | Son | — | Maryland |
| 9 | John Minor | 1 | Son | — | Maryland |
| 10 | Mary Minor | 1 | Daughter | — | Maryland |
| 11 | James Minor | 0 | Son | — | Maryland |
| 12 | William Minor | 0 | Son | — | Maryland |
| 13 | Sarah Minor | 0 | Daughter | — | Maryland |
| 14 | Thomas Minor | 42 | Son | Laborer | North Carolina |
| 15 | Annie Minor | 40 | Wife | Cook | Maryland |
| 16 | William Minor | 23 | Son | Laborer | Ohio |
| 17 | James Minor | 19 | Son | Laborer | Maryland |
| 18 | John Johnson | 40 | Head | Laborer | Virginia |
| 19 | William Saunders | 25 | Head | Waiter | Maryland |
| 20 | Nellie Saunders | 21 | Wife | Chauffeur | Maryland |
| 21 | Clarence Saunders | 6 | Son | — | Maryland |
| 22 | Rosalie Saunders | 12 | Daughter | — | Maryland |
| 23 | Beatrice Saunders | 2 | Daughter | — | Maryland |
| 24 | Mildred Saunders | 1 | Daughter | — | Maryland |
| 25 | Lee Francis | 35 | Head | Laborer | North Carolina |
| 26 | Annie Francis | 30 | Wife | Laundress | North Carolina |
| 27 | William Francis | 35 | Son | Cook | North Carolina |
| 28 | Walter Francis | 31 | Head | Chauffeur | Virginia |
| 29 | Tessie Francis | 21 | Wife | — | Maryland |
| 30 | Edgar Francis | 2 | Son | — | South Carolina |
| 31 | John Francis | 41 | Head | Chauffeur | Maryland |
| 32 | William Francis | 21 | Son | Laborer | Maryland |
| 33 | James Francis | 20 | Son | Laborer | Maryland |
| 34 | Arthur Francis | 21 | Son | Laborer | Maryland |
| 35 | Mary Francis | 64 | Daughter | Laundress | Maryland |
| 36 | John Francis | 21 | Son | Cook | Maryland |
| 37 | James Francis | 24 | Son | Laundress | Maryland |
| 38 | Arthur Francis | 40 | Son | — | Maryland |
| 39 | Mary Francis THIS PERSON | 22 | Daughter | Cook | Maryland |
| 40 | John Francis | 21 | Son | Chauffeur | Maryland |
| 41 | James Francis | 20 | Son | Laborer | Maryland |
| 42 | Arthur Francis | 20 | Son | Cook | United States |
| 43 | — | None | — | — | — |
| 44 | — | None | — | — | — |
| 45 | — | None | — | — | — |
| 46 | — | None | — | — | — |
| 47 | — | None | — | — | — |
| 48 | — | None | — | — | — |
| 49 | — | None | — | — | — |
| 50 | — | None | — | — | — |
Related Census Records
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)