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Francis Thomas — 1900 US Census Record
Linked across censuses1900 United States Federal Census · Frederick, Maryland
Our Model Tree links this Francis Thomas across the 1900, 1910 and 1920 US Censuses in Frederick, Maryland (XGBoost, ~Confirmed) — first a head (b.~1850), then head of a 4-person household.
Age 50
b. ~1850
Male
Head
Born: Maryland
Married
1900 Census Record Details
| Census Year | 1900 |
| Location | Frederick, Maryland |
| Surname | Thomas |
| Given Name | Francis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Maryland |
| Birth Month | Dec |
| Birth Year | 1850 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Day laborer |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Laborer |
| Township / Ward | New Market District |
| Est. Birth Year | ~1850 |
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.
4 people recorded at the same address in the 1900 census.
| Name | Relation to head | Relative to Francis | Age | Birth yr |
|---|---|---|---|---|
| Benjamin Thomas | Son | — | 23 | ~1877 |
| Francis Thomas | Head | — | 50 | ~1850 |
| Mary Thomas | Daughter | — | 18 | ~1882 |
| Lydia Thomas | Spouse | — | 50 | ~1850 |
Census Appearances
1900
Frederick, Maryland
Head, age 50
Frederick, Maryland · implied b. ~1850 — 4 household members
| Surname | Thomas |
| Given Name | Francis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Maryland |
| Birth Month | Dec |
| Birth Year | 1850 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Day laborer |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1910
Frederick, Maryland
Head, age 60
Frederick, Maryland · implied b. ~1850 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Maryland |
| Years Married | 39 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Farm laborer |
| Industry | Working out |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Frederick, Maryland
Head, age 70
Frederick, Maryland · implied b. ~1850 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 70 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | farm |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| 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 Francis Thomas across 3 US Census years (1900, 1910 and 1920) in Frederick, Maryland, using XGBoost record linkage.
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This person
Anchor record
Francis Thomas
Head · 1900 · age 50 · b. ~1850 · Maryland
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1900 US Federal Census — Frederick, Maryland
Open full size
1900 US Federal Census — Frederick, Maryland
Page Contents
50 people indexed on this census page (ia:1900:12thcensusofpopu622unit:0532)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Barnes | 57 | Head | Merchant | Maryland |
| 2 | Louisa E Barnes | 50 | Wife | — | Maryland |
| 3 | Carrie B Barnes | 22 | Daughter | — | Maryland |
| 4 | Gertrude M Barnes | 20 | Daughter | School Teacher | Maryland |
| 5 | Louis J Barnes | 12 | Son | At School | Maryland |
| 6 | William Tregoning | 45 | Head | Farmer | Maryland |
| 7 | Bessie M Tregoning | 26 | Daughter | Seamstress | Maryland |
| 8 | Mary S Tregoning | 22 | Daughter | Servant | Maryland |
| 9 | George T Tregoning | 18 | Son | Day Laborer | Maryland |
| 10 | Clara E Tregoning | 16 | Daughter | At School | Maryland |
| 11 | Annie L Tregoning | 10 | Daughter | At School | Maryland |
| 12 | Charles H Tregoning | 7 | Son | — | Maryland |
| 13 | Albert S Dorsey | 41 | Head | Farm Laborer | Maryland |
| 14 | Ruthie Dorsey | 45 | Wife | — | Maryland |
| 15 | Jesse W Dorsey | 16 | Son | Farm Laborer | Maryland |
| 16 | Estella M Dorsey | 14 | Daughter | At School | Maryland |
| 17 | Allie M Dorsey | 6 | Daughter | — | Maryland |
| 18 | Clayton H Dorsey | 5 | Son | — | Maryland |
| 19 | John S Dorsey | 1 | Son | — | Maryland |
| 20 | Luvychia Dorsey | 3 | Daughter | — | Maryland |
| 21 | George W Main | 42 | Head | Farmer | Maryland |
| 22 | Elizabeth R Main | 31 | Wife | — | Maryland |
| 23 | Annie L Main | 12 | Daughter | At School | Maryland |
| 24 | Ada L Main | 10 | Daughter | At School | Maryland |
| 25 | Grace C Main | 8 | Daughter | — | Maryland |
| 26 | Charles H Main | 7 | Son | — | Maryland |
| 27 | George E Main | 5 | Son | — | Maryland |
| 28 | John G Main | 2 | Son | — | Maryland |
| 29 | Albert L Main | 1 | Son | — | Maryland |
| 30 | Claude D Main | 5 | Son | — | Maryland |
| 31 | Galloway Bennett | 70 | Head | Merchant (General) | Maryland |
| 32 | Amy M Bennett | 63 | Wife | — | Maryland |
| 33 | John Bennett | 40 | Son | Blacksmith | Maryland |
| 34 | Lydia Bennett | 78 | Sister-in-law | — | Pennsylvania |
| 35 | Simon H Bitler | 44 | Head | Farmer | Maryland |
| 36 | Annie Bitler | 41 | Wife | — | Maryland |
| 37 | John H Bitler | 19 | Son | — | Maryland |
| 38 | Leroy Bitler | 16 | Son | — | Maryland |
| 39 | Harry Bitler | 16 | Son | — | Maryland |
| 40 | Agnes M Bitler | 10 | Daughter | At School | Maryland |
| 41 | Annie M Bitler | 8 | Daughter | — | Maryland |
| 42 | Beulah Bitler | 6 | Daughter | — | Maryland |
| 43 | Ethel Bitler | 5 | Daughter | — | Maryland |
| 44 | Charles H Bitler | 3 | Son | — | Maryland |
| 45 | Henry S Bitler | 1 | Son | — | Maryland |
| 46 | Francis Thomas THIS PERSON | 50 | Head | Day Laborer | Maryland |
| 47 | Lydia J Thomas | 50 | Wife | — | Maryland |
| 48 | Thomas | 23 | Son | Day Laborer | Maryland |
| 49 | Benjamin Thomas | 22 | Son | Farm Laborer | Maryland |
| 50 | Mary M Thomas | 17 | Daughter | — | Maryland |
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)