MS
Mary Simms — 1910 US Census Record
Linked across censuses1910 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Mary Simms across the 1910 and 1920 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1903), then head of a 11-person household.
Age 7
b. ~1903
Female
Daughter
Born: Maryland
Single
1910 Census Record Details
| Census Year | 1910 |
| Location | Baltimore, Maryland |
| Surname | Simms |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | 11Th District 1St Precinct |
| Est. Birth Year | ~1903 |
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.
11 people recorded at the same address in the 1910 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Lester Simms | Other | — | 13 | ~1897 |
| James Simms | Son | — | 9 | ~1901 |
| James Simms | Other | — | 8 | ~1902 |
| Annie Simms | Spouse | — | 32 | ~1878 |
| George Simms | Son | — | 5 | ~1905 |
| Mary Simms | Daughter | — | 7 | ~1903 |
| John Simms | Head | — | 42 | ~1868 |
| Lester Simms | Son | — | 3 | ~1907 |
| John Simms | Son | — | 1 | ~1909 |
| John Simms | Son | — | 11 | ~1899 |
| John Simms | Other | — | 1 | ~1909 |
Census Appearances
1910
Baltimore, Maryland
Daughter, age 7
Baltimore, Maryland · implied b. ~1903 — 11 household members
| Surname | Simms |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Baltimore, Maryland
Daughter, age 16
Baltimore, Maryland · implied b. ~1904 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sims |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | 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 Simms across 2 US Census years (1910 and 1920) in Baltimore, Maryland, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Simms
Daughter · 1910 · age 7 · b. ~1903 · Maryland
★ You are viewing this record
Sibling
Lester Simms
Sibling · 1910 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Simms
Sibling · 1910 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Simms
Sibling · 1910 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Simms
Sibling · 1910 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Simms
Sibling · 1910 · age 5
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
1910 US Federal Census — Baltimore, Maryland
Open full size
1910 US Federal Census — Baltimore, Maryland
Page Contents
48 people indexed on this census page (ia:1910:13thcensus1910po551unit:1194)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 52 | Annie B. Franklin | 43 | Head | — | Maryland |
| 53 | Annie Franklin | 14 | Daughter | — | Maryland |
| 54 | William Franklin | 12 | Son | — | Maryland |
| 55 | Lillie Franklin | 10 | Daughter | — | Maryland |
| 56 | James Franklin | 5 | Son | — | Maryland |
| 57 | John Franklin | 2 | Son | — | Maryland |
| 58 | Ethel Franklin | 1 | Daughter | — | Maryland |
| 59 | James Simms | 51 | Head | Laborer | Maryland |
| 60 | Mary Simms | 24 | Wife | — | Maryland |
| 61 | James Simms | 5 | Son | — | Maryland |
| 62 | William Simms | 3 | Son | — | Maryland |
| 63 | John Simms | 0 | Son | — | Maryland |
| 64 | John Simms | 42 | Head | Laborer | Maryland |
| 65 | Annie Simms | 32 | Wife | — | Maryland |
| 66 | John Simms | 11 | Son | — | Maryland |
| 67 | James Simms | 9 | Son | — | Maryland |
| 68 | Mary Simms THIS PERSON | 7 | Daughter | — | Maryland |
| 69 | George Simms | 5 | Son | — | Maryland |
| 70 | Lester Simms | 3 | Son | — | Maryland |
| 71 | John Simms | 1 | Son | — | Maryland |
| 72 | Lester Simms | 13 | Boarder | — | Maryland |
| 73 | John Simms | 1 | Boarder | — | Maryland |
| 74 | James Simms | 8 | Boarder | — | Maryland |
| 75 | George Simms | 47 | Head | Farmer | Maryland |
| 76 | Lillie Simms | 42 | Wife | — | Maryland |
| 77 | George Simms | 11 | Son | — | Maryland |
| 78 | James Simms | 10 | Son | — | Maryland |
| 79 | Lillie Simms | 1 | Daughter | — | Maryland |
| 80 | William R. Simms | 71 | Head | — | Maryland |
| 81 | Eleanor Simms | 70 | Sister | — | Maryland |
| 82 | Alice Simms | 39 | Niece | — | Maryland |
| 83 | Lillie E. Simms | 34 | Niece | — | Maryland |
| 84 | Ida B. Simms | 5 | Niece | — | Maryland |
| 85 | John Simms | 1 | Niece | — | Maryland |
| 86 | Charles Simms | 29 | Head | — | Maryland |
| 87 | Mary Simms | 23 | Wife | — | Maryland |
| 88 | Andrew L. Thomas | 23 | Head | Housegirl | Maryland |
| 89 | Alice H. Thomas | 32 | Wife | Farmer | Maryland |
| 90 | William Fisher | 58 | Head | — | Germany |
| 91 | Elizabeth Fisher | 50 | Wife | — | Maryland |
| 92 | Alice Fisher | 15 | Daughter | — | Maryland |
| 93 | William Fisher | 26 | Head | Worker | Maryland |
| 94 | Annie Fisher | 27 | Wife | — | Maryland |
| 95 | Bessie Fisher | 7 | Daughter | — | Maryland |
| 96 | Annie Fisher | 5 | Daughter | — | Maryland |
| 97 | William J. Fisher | 6 | Son | — | Maryland |
| 98 | Bernice Fisher | 3 | Daughter | — | Maryland |
| 99 | Walter Fisher | 1 | Son | — | Maryland |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1910 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)