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Mary Brock — 1900 US Census Record
Linked across censuses1900 United States Federal Census · Washington, Florida
Our Model Tree links this Mary Brock across the 1900 and 1910 US Censuses in Washington, Florida (XGBoost, ~Confirmed) — first a daughter (b.~1888), then head of a 9-person household.
Age 12
b. ~1888
Female
Daughter
Born: Florida
Single
1900 Census Record Details
| Census Year | 1900 |
| Location | Washington, Florida |
| Surname | Brock |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Florida |
| Birth Month | Mch |
| Birth Year | 1888 |
| Father's Birthplace | Florida |
| Mother's Birthplace | Florida |
| Additional Details | |
| Occupation | Farm Laborer |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
| Occupation | Farm Laborer |
| Township / Ward | Davis Mill |
| Est. Birth Year | ~1888 |
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.
9 people recorded at the same address in the 1900 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Florence Brock | Daughter | — | 16 | ~1884 |
| Simeon Brock | Head | — | 45 | ~1855 |
| Nancy Brock | Daughter | — | ~1900 | |
| Mary Brock | Daughter | — | 12 | ~1888 |
| Thomas Brock | Son | — | 7 | ~1893 |
| William Brock | Son | — | 9 | ~1891 |
| Cordia Brock | Daughter | — | 2 | ~1898 |
| Nancy Brock | Spouse | — | 39 | ~1861 |
| John Brock | Son | — | 19 | ~1881 |
Census Appearances
1900
Washington, Florida
Daughter, age 12
Washington, Florida · implied b. ~1888 — 9 household members
| Surname | Brock |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Florida |
| Birth Month | Mch |
| Birth Year | 1888 |
| Father's Birthplace | Florida |
| Mother's Birthplace | Florida |
| Occupation | Farm Laborer |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1910
Washington, Florida
Daughter, age 21
Washington, Florida · implied b. ~1889 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brook |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Florida |
| Father's Birthplace | Florida |
| Mother's Birthplace | Florida |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
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 Brock across 2 US Census years (1900 and 1910) in Washington, Florida, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Brock
Daughter · 1900 · age 12 · b. ~1888 · Florida
★ You are viewing this record
Sibling
Nancy Brock
Sibling · 1900 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Brock
Sibling · 1900 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Brock
Sibling · 1900 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Brock
Sibling · 1900 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Brock
Sibling · 1900 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cordia Brock
Sibling · 1900 · age 2
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
1900 US Federal Census — Washington, Florida
Open full size
1900 US Federal Census — Washington, Florida
Page Contents
50 people indexed on this census page (ia:1900:12thcensusofpopu177unit:1060)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Abrax Enfinger | 2 | Son | — | Florida |
| 2 | John Enfinger | 66 | Head | Farmer | Alabama |
| 3 | Sarah Ann Enfinger | 52 | Wife | — | Florida |
| 4 | Charlie Enfinger | 24 | Son | Turpentine Laborer | Florida |
| 5 | Wesley Kent | 19 | Boarder | Farm Laborer | Florida |
| 6 | William Enfinger | 25 | Head | Farmer | Florida |
| 7 | Louella Enfinger | 18 | Wife | — | Florida |
| 8 | William Long | 70 | Head | Farmer | North Carolina |
| 9 | C. Wiley Long | 66 | Wife | — | Georgia |
| 10 | Wesley Kent | 38 | Head | Farmer | Florida |
| 11 | Emma Kent | 30 | Wife | Farm Laborer | Florida |
| 12 | Zoay B. Kent | 5 | Daughter | — | Florida |
| 13 | Castilla Kent | 3 | Daughter | — | Florida |
| 14 | Rodaric Kent | 1 | Son | — | Florida |
| 15 | Monroe Pettis | 48 | Head | Farmer | Alabama |
| 16 | Sarah E. Pettis | 47 | Wife | — | Alabama |
| 17 | William C. Pettis | 21 | Son | Farm Laborer | Alabama |
| 18 | Eliza Ann Pettis | 19 | Daughter | — | Alabama |
| 19 | Bessie C. Pettis | 12 | Son | — | Florida |
| 20 | Jossey O. Pettis | 9 | Son | — | Florida |
| 21 | Mary F. Pettis | 8 | Daughter | — | Florida |
| 22 | Willis H. Pettis | 46 | Head | Day Laborer | Alabama |
| 23 | Sealey Pettis | 42 | Wife | — | Alabama |
| 24 | John Lolly | 49 | Head | Farmer | Florida |
| 25 | Lucy Lolly | 54 | Wife | — | Georgia |
| 26 | E. Alexander Lolly | 19 | Son | Farm Laborer | Florida |
| 27 | John E. Mathis | 25 | Head | Farmer | Florida |
| 28 | Ella Mathis | 20 | Wife | — | Florida |
| 29 | Alford Barkley | 68 | Head | Farmer | North Carolina |
| 30 | Sarah Barkley | 50 | Wife | — | Florida |
| 31 | James H. Barkley | 24 | Son | Farm Laborer | Florida |
| 32 | Annetta B. Barkley | 6 | Daughter | — | Florida |
| 33 | Simeon Brock | 45 | Head | Farmer | Florida |
| 34 | Nancy V. Brock | 39 | Wife | — | Florida |
| 35 | John H. Brock | 18 | Son | Farm Laborer | Florida |
| 36 | Florence L. Brock | 15 | Daughter | Farm Laborer | Florida |
| 37 | Mary A. Brock THIS PERSON | 12 | Daughter | Farm Laborer | Florida |
| 38 | William G. Brock | 9 | Son | — | Florida |
| 39 | Thomas S. Brock | 6 | Son | — | Florida |
| 40 | Cordia Brock | 2 | Daughter | — | Florida |
| 41 | Nancy J. Brock | 0 | Daughter | — | Florida |
| 42 | Thomas Briant | 65 | Head | Farmer | Florida |
| 43 | Adeline Briant | 57 | Wife | Farm Laborer | Georgia |
| 44 | Carry Briant | 13 | Daughter | Farm Laborer | Florida |
| 45 | Thomas Briant | 6 | G. Son | — | Florida |
| 46 | Lenon S. Briant | 12 | Nephew | — | Florida |
| 47 | William R. Briant | 8 | Nephew | — | Florida |
| 48 | Edward Briant | 3 | Nephew | — | Florida |
| 49 | Mindy Harman | 48 | Head | Farmer | Georgia |
| 50 | Andy Harman | 22 | Son | Farm Laborer | Florida |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1900 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)