TS
Theresa Smith — 1920 US Census Record
Model Tree available1920 United States Federal Census · Knox, Maine
Our Model Tree links this Theresa Smith across the 1920, 1930 and 1940 US Censuses in Knox, Maine (XGBoost, ~Confirmed), with identified parents Nancy — first a daughter (b.~1877), then head of a 2-person household.
Age 43
b. ~1877
Female
Daughter
Born: Maine
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Knox, Maine |
| Surname | Smith |
| Given Name | Theresa C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Single |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Additional Details | |
| Occupation | Telephone |
| Industry | Operator |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Occupation | Telephone |
| Township / Ward | Rockland City |
| Est. Birth Year | ~1877 |
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.
2 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Theresa | Age | Birth yr |
|---|---|---|---|---|
| Nancy Smith | Head | — | 82 | ~1838 |
| Theresa Smith | Daughter | — | 43 | ~1877 |
Census Appearances
1920
Knox, Maine
Daughter, age 43
Knox, Maine · implied b. ~1877 — 2 household members
| Surname | Smith |
| Given Name | Theresa C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Single |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Occupation | Telephone |
| Industry | Operator |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1930
Knox, Maine
Other, age 54
Knox, Maine · implied b. ~1876 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Therese C. |
| Relationship to Head | Sister-H |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Single |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | E |
| Can Read/Write | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1940
Knox-County, Maine
Head, age 65
Knox-County, Maine · implied b. ~1875 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Therese C |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 65 |
| Marital Status | Widowed |
| Birthplace | Maine |
| 1935 Residence (City) | Rockland |
| 1935 Residence (County) | Knox |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
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 Theresa Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Nancy Smith (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Nancy Smith
b. ~1838
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Theresa Smith
Daughter · 1920 · age 43 · b. ~1877 · Maine
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Knox, Maine
Open full size
1920 US Federal Census — Knox, Maine
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu644unit:0775)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Fred W. Gaya | 19 | Son | None | Maine |
| 52 | Alfred Lord | 41 | Head | Captain | New Brunswick |
| 53 | Hattie Lord | 40 | Wife | None | Canada |
| 54 | Ronald Lord | 16 | Son | None | Maine |
| 55 | Thomas Lord | 14 | Son | None | Maine |
| 56 | Beula Lord | 12 | Daughter | None | Maine |
| 57 | Lawrence Lord | 2 | Son | None | Maine |
| 58 | Bernard Eveslage | 32 | Head | Laborer | Ohio |
| 59 | Mattie Eveslage | 29 | Wife | None | Maine |
| 60 | Almeda Witham | 42 | Head | None | Maine |
| 61 | Frank E. Kent | 35 | Son | Laborer | Maine |
| 62 | William W. Kent | 31 | Son | Laborer | Maine |
| 63 | Arthur Brewer | 24 | Head | Deck Hand | Maine |
| 64 | Mary Brewer | 22 | Wife | Clerk | Maine |
| 65 | Freeman Brewer | 18 | Brother | Laborer | Maine |
| 66 | Alton W. Richards | 44 | Head | Boiler | Maine |
| 67 | Jennie Richards | 37 | Wife | None | Maine |
| 68 | Arthur E. Hall | 27 | Head | Mate | Maine |
| 69 | Blanche Hall | 22 | Wife | None | Maine |
| 70 | Eleanor Hall | 0 | Daughter | None | Maine |
| 71 | Manford Philbrook | 67 | Head | Repair Man | Maine |
| 72 | Ida M. Philbrook | 60 | Wife | None | Maine |
| 73 | Bessie M. Philbrook | 42 | Daughter | None | Maine |
| 74 | Nancy Smith | 82 | Head | None | Maine |
| 75 | Theresa C. Smith THIS PERSON | 43 | Daughter | Telephone | Maine |
| 76 | Ernest Foster | 37 | Head | None | Maine |
| 77 | Ida May Foster | 14 | Daughter | None | Maine |
| 78 | Hartford S. Foster | 12 | Son | None | Maine |
| 79 | Margaret Foster | 11 | Daughter | None | Maine |
| 80 | Carroll Foster | 7 | Son | None | Maine |
| 81 | Hilda Foster | 6 | Daughter | None | Maine |
| 82 | Vivian Foster | 3 | Daughter | None | Maine |
| 83 | Frank B. Packard | 67 | Head | Retail Grocer | Maine |
| 84 | Sarah W. Packard | 65 | Wife | None | Maine |
| 85 | Neil B. Packard | 25 | Son | Machinist | Maine |
| 86 | Charles D. Tarr | 61 | Head | House | Maine |
| 87 | Ruth Tarr | 35 | Wife | None | Maine |
| 88 | Mabel Tarr | 19 | Daughter | Waitress | Maine |
| 89 | Edward E. Tarr | 16 | Son | None | Maine |
| 90 | Dorothy Thomas | 5 | Grand Daughter | None | Maine |
| 91 | Hattie Dickey | 60 | Head | None | Maine |
| 92 | Annie Wilson | 72 | Boarder | None | Maine |
| 93 | Samuel A. Grant | 55 | Head | Painter | Maine |
| 94 | Abbie Grant | 56 | Wife | None | Maine |
| 95 | Carl H. Grant | 14 | Son | None | Maine |
| 96 | Susan P. Thomas | 74 | Mother | None | Massachusetts |
| 97 | Herbert S. Moon | 28 | Head | Cooper | Maine |
| 98 | Helen S. Moon | 25 | Wife | None | Maine |
| 99 | Elizabeth Moon | 5 | Daughter | None | Maine |
| 100 | Hattie Moon | 2 | Daughter | None | Maine |
Pedigree Summary
Theresa
Gen 1 · 1 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)