CT
Cora Thomas — 1910 US Census Record
Model Tree available1910 United States Federal Census · Frederick, Maryland
Our Model Tree links this Cora Thomas across the 1910, 1920 and 1930 US Censuses in Frederick, Maryland (XGBoost, ~Confirmed), with identified parents Elizabeth & Mary — first a daughter (b.~1870), then head of a 3-person household.
Age 40
b. ~1870
Female
Daughter
Born: Maryland
Single
1910 Census Record Details
| Census Year | 1910 |
| Location | Frederick, Maryland |
| Surname | Thomas |
| Given Name | Cora B |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Buckeystown District No 1 Part Of |
| Est. Birth Year | ~1870 |
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.
3 people recorded at the same address in the 1910 census.
| Name | Relation to head | Relative to Cora | Age | Birth yr |
|---|---|---|---|---|
| Mary Thomas | Daughter | — | 36 | ~1874 |
| Cora Thomas | Daughter | — | 40 | ~1870 |
| Elizabeth Thomas | Head | — | 74 | ~1836 |
Census Appearances
1910
Frederick, Maryland
Daughter, age 40
Frederick, Maryland · implied b. ~1870 — 3 household members
| Surname | Thomas |
| Given Name | Cora B |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Frederick, Maryland
Daughter, age 50
Frederick, Maryland · implied b. ~1870 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Clara A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| 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 |
Daughter, age 63
Frederick, Maryland · implied b. ~1867 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Clara A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| 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 Cora Thomas across 3 US Census years (1910, 1920 and 1930) in Frederick, Maryland, using XGBoost record linkage. Identified parents: mother Elizabeth Thomas (~0.92 confidence) and mother Mary Thomas (~0.92 confidence) and mother Mary Thomas (~0.60 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.81
Mother
Elizabeth Thomas
b. ~1836
Source mother
● Household
· direct · ~0.92
Mother
Mary Thomas
b. ~1848
Source mother
● Household
· direct · ~0.92
Mother
Mary Thomas
b. ~1866
Source mother
● Household
· direct · ~0.6
This person
Anchor record
Cora Thomas
Daughter · 1910 · age 40 · b. ~1870 · Maryland
★ You are viewing this record
Sibling
Mary Thomas
Sibling · 1910 · age 36
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 — Frederick, Maryland
Open full size
1910 US Federal Census — Frederick, Maryland
Page Contents
50 people indexed on this census page (ia:1910:13thcensus1910po564unit:0818)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ernest Wright | 16 | Daughter | — | Virginia |
| 2 | Maud B Wright | 14 | Daughter | — | Virginia |
| 3 | Marie E Wright | 13 | Daughter | — | Virginia |
| 4 | Louis J Wright | 10 | Son | — | Virginia |
| 5 | Daniel C Brealy | 67 | Head | Farmer | Maryland |
| 6 | Margaret E Brealy | 67 | Wife | — | Maryland |
| 7 | Julia M Brealy | 28 | Niece | — | Maryland |
| 8 | J H Brealy | 50 | Head | Farmer | Maryland |
| 9 | Ella V Brealy | 49 | Wife | — | Maryland |
| 10 | George F Brealy | 23 | Son | Asst Manager | Maryland |
| 11 | Julia E Brealy | 16 | Daughter | — | Maryland |
| 12 | Ella I Brealy | 14 | Daughter | — | Maryland |
| 13 | Henry Queen | 45 | Head | Laborer | Maryland |
| 14 | Isabelle M Queen | 22 | Wife | — | Maryland |
| 15 | Annie L Queen | 5 | Daughter | — | Maryland |
| 16 | Clarence F Queen | 4 | Son | — | Maryland |
| 17 | Julia A Queen | 12 | Daughter | — | Maryland |
| 18 | John G Queen | 17 | Son | Laborer | Maryland |
| 19 | Nora Queen | 15 | Daughter | — | Maryland |
| 20 | Edgar L Queen | 36 | Head | Farmer | Maryland |
| 21 | Clara L Queen | 30 | Wife | — | Virginia |
| 22 | Arthur Crompton | 21 | Head | Laborer | Maryland |
| 23 | Cassie M Crompton | 23 | Wife | — | Maryland |
| 24 | Elizabeth R Thomas | 74 | Head | — | Maryland |
| 25 | Cora B Thomas THIS PERSON | 40 | Daughter | — | Maryland |
| 26 | Mary G Thomas | 36 | Daughter | — | Maryland |
| 27 | Harry S Thomas | 36 | Head | Farmer | Maryland |
| 28 | Daisy C Thomas | 31 | Wife | — | Maryland |
| 29 | David Stup | 48 | Head | Farmer | Maryland |
| 30 | Daisy C Stup | 45 | Wife | — | Maryland |
| 31 | Rosanna M Stup | 20 | Daughter | — | Maryland |
| 32 | Mary H Stup | 18 | Daughter | — | Maryland |
| 33 | John Stup | 17 | Son | — | Maryland |
| 34 | Lulu S Stup | 15 | Daughter | — | Maryland |
| 35 | George D Stup | 11 | Son | — | Maryland |
| 36 | David Stup | 10 | Son | — | Maryland |
| 37 | Martha H Stup | 8 | Daughter | — | Maryland |
| 38 | William G Stup | 7 | Son | — | Maryland |
| 39 | Raymond G Stup | 3 | Son | — | Maryland |
| 40 | Jacob Stup | 47 | Head | Laborer | Maryland |
| 41 | Florence G Stup | 47 | Wife | — | Maryland |
| 42 | Russell J Stup | 14 | Son | — | Maryland |
| 43 | Bernard L Stup | 10 | Son | — | Maryland |
| 44 | George E Hancey | 61 | Head | Farmer | Maryland |
| 45 | Hester A Zeiler | 63 | House Keeper | Housekeeper | Maryland |
| 46 | William H Hoffman | 65 | Head | Farmer | Maryland |
| 47 | Julia A Hoffman | 54 | Wife | — | Maryland |
| 48 | John J Hoffman | 37 | Son | Laborer | Maryland |
| 49 | Emma E Hoffman | 35 | Daughter in law | — | Maryland |
| 50 | George W Hoffman | 9 | Grand Son | — | Maryland |
Related Census Records
Pedigree Summary
Cora + 1 sibling
Gen 1 · 3 parents
~0.81
Max depth 4 (1900–1950 window)
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)