MT
Mabel Thomas — 1920 US Census Record
Model Tree available1920 United States Federal Census · Frederick, Maryland
Our Model Tree links this Mabel Thomas across the 1920, 1930 and 1940 US Censuses in Frederick, Maryland (XGBoost, ~Confirmed), with identified parents C & Cisilas — first a daughter (b.~1916), then head of a 9-person household.
Age 4
b. ~1916
Female
Daughter
Born: Maryland
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Frederick, Maryland |
| Surname | Thomas |
| Given Name | Mabel S. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Virginia |
| Additional Details | |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Election District 14 Jefferson |
| Est. Birth Year | ~1916 |
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 1920 census.
| Name | Relation to head | Relative to Mabel | Age | Birth yr |
|---|---|---|---|---|
| Paul Thomas | Son | — | 18 | ~1902 |
| C Thomas | Head | — | 61 | ~1859 |
| Nora Thomas | Spouse | — | 47 | ~1873 |
| William Doudder | Other | — | 33 | ~1887 |
| Kora Thomas | Daughter | — | 15 | ~1905 |
| Helen Thomas | Daughter | — | 16 | ~1904 |
| Kora Thomas | Daughter | — | 12 | ~1908 |
| Wade Thomas | Son | — | 20 | ~1900 |
| Mabel Thomas | Daughter | — | 4 | ~1916 |
Census Appearances
1920
Frederick, Maryland
Daughter, age 4
Frederick, Maryland · implied b. ~1916 — 9 household members
| Surname | Thomas |
| Given Name | Mabel S. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Virginia |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Frederick, Maryland
Daughter, age 15
Frederick, Maryland · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Mable S. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Virginia |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Frederick-County, Maryland
Daughter, age 25
Frederick-County, Maryland · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Mable S. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Frederick City |
| 1935 Residence (County) | Frederick |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| 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 Mabel Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father C Thomas (~0.92 confidence) and father Cisilas Thomas (~0.92 confidence) and mother Nora Thomas (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
C Thomas
b. ~1859
Source father
● Household
· direct · ~0.92
Father
Cisilas Thomas
b. ~1859
Source father
● Household
· direct · ~0.92
Mother
Nora Thomas
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mabel Thomas
Daughter · 1920 · age 4 · b. ~1916 · Maryland
★ You are viewing this record
Sibling
Kora Thomas
Sibling · 1920 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wade Thomas
Sibling · 1920 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Thomas
Sibling · 1920 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kora Thomas
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Thomas
Sibling · 1920 · age 16
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
1920 US Federal Census — Frederick, Maryland
Open full size
1920 US Federal Census — Frederick, Maryland
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu673unit:0217)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Marietta Lilly G. Merritt | 10 | Daughter | — | Maryland |
| 52 | C. Silas Thomas | 61 | Head | Farmer | Maryland |
| 53 | Nora V. Thomas | 47 | Wife | — | Indiana |
| 54 | Wade P. Thomas | 20 | Son | Farm Laborer | Maryland |
| 55 | Paul W. Thomas | 18 | Son | — | Maryland |
| 56 | Helen G. Thomas | 16 | Daughter | — | Maryland |
| 57 | Kora V. Thomas | 15 | Daughter | — | Maryland |
| 58 | Kora E. Thomas | 12 | Daughter | — | Maryland |
| 59 | Mabel S. Thomas THIS PERSON | 4 | Daughter | — | Maryland |
| 60 | William S. Doudder | 33 | Ward | Farm Laborer | Pennsylvania |
| 61 | Thomas J. Umstead | 25 | Head | Farmer | Maryland |
| 62 | Cordelia R. Umstead | 27 | Wife | — | Maryland |
| 63 | Thomas E. Umstead | 3 | Son | — | Maryland |
| 64 | Roger H. Foland | 9 | Ward | — | Maryland |
| 65 | Clifford S. Smith | 34 | Head | Farmer | Maryland |
| 66 | Alice M. Smith | 30 | Wife | — | Virginia |
| 67 | Maurice E. Smith | 24 | Son | Farm Laborer | Maryland |
| 68 | Oscar E. Smith | 19 | Son | Farm Laborer | Maryland |
| 69 | Guy V. Smith | 16 | Son | Farm Laborer | Maryland |
| 70 | Ruth E. Smith | 12 | Daughter | — | Maryland |
| 71 | Nellie G. Smith | 9 | Daughter | — | Maryland |
| 72 | Mary F. Smith | 6 | Daughter | — | Maryland |
| 73 | Alice M. Smith | 3 | Daughter | — | Maryland |
| 74 | Clarence J. Smith | 47 | Brother | Farm Laborer | Maryland |
| 75 | Samuel A. Smith | 13 | Nephew | — | Maryland |
| 76 | Lawrence A. Pearl | 26 | Head | Trucker | Maryland |
| 77 | Catherine B. Pearl | 24 | Wife | — | Maryland |
| 78 | Evelyn V. Pearl | 4 | Daughter | — | Maryland |
| 79 | Charles W. Pearl | 2 | Son | — | Maryland |
| 80 | Ethel M. Pearl | 0 | Daughter | — | Maryland |
| 81 | James M. Nuse | 47 | Head | Shoemaker | Maryland |
| 82 | Minnie B. Nuse | 44 | Wife | — | Maryland |
| 83 | David W. Nuse | 14 | Son | Farm Laborer | Maryland |
| 84 | James H. Nuse | 12 | Son | — | Maryland |
| 85 | Bessie V. Nuse | 10 | Daughter | — | Maryland |
| 86 | Margaret O. Nuse | 8 | Daughter | — | Maryland |
| 87 | Dorothy M. Nuse | 6 | Daughter | — | Maryland |
| 88 | James E. Nuse | 3 | Son | — | Maryland |
| 89 | Catherine S. Nuse | 1 | Daughter | — | Maryland |
| 90 | Daniel W. Whilen | 45 | Head | Trucker | Maryland |
| 91 | Bertie R. Whilen | 42 | Wife | — | Maryland |
| 92 | Ada E. Whilen | 24 | Daughter | Servant | Maryland |
| 93 | Maria E. Whilen | 22 | Daughter | Servant | Maryland |
| 94 | Clarence W. Whilen | 21 | Son | Servant | Maryland |
| 95 | Helen I. Whilen | 16 | Daughter | Servant | Maryland |
| 96 | Nellie L. Whilen | 13 | Daughter | — | Maryland |
| 97 | Lawrence Whilen | 11 | Son | — | Maryland |
| 98 | Arnold S. Whilen | 9 | Son | — | Maryland |
| 99 | Maggie G. Whilen | 6 | Daughter | — | Maryland |
| 100 | Mary E. Whilen | 3 | Daughter | — | Maryland |
Pedigree Summary
Mabel + 5 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)