TS
Theodore Smith — 1930 US Census Record
Model Tree available1930 United States Federal Census · Essex, Massachusetts
Our Model Tree links this Theodore Smith across the 1910, 1920 and 1930 US Censuses in Essex, Massachusetts (XGBoost, ~Confirmed), with identified parents Robert & Jessie — first a son (b.~1906), then head of a 4-person household.
Age 24
b. ~1906
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Essex, Massachusetts |
| Surname | Smith |
| Given Name | Theodore |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Teacher |
| Industry | M. I. T. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Teacher |
| Township / Ward | Marblehead Town |
| Est. Birth Year | ~1906 |
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 1930 census.
| Name | Relation to head | Relative to Theodore | Age | Birth yr |
|---|---|---|---|---|
| William Smith | Head | — | 55 | ~1875 |
| Theodore Smith | Son | — | 24 | ~1906 |
| Gregory Smith | Son | — | 22 | ~1908 |
| Eliza Smith | Spouse | — | 51 | ~1879 |
Census Appearances
1910
Essex, Massachusetts
Son, age 5
Essex, Massachusetts · implied b. ~1905 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Theodore |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Can. English |
| Mother's Birthplace | Can. English |
| Can Read | No |
| Can Write | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Essex, Massachusetts
Son, age 14
Essex, Massachusetts · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Theodore |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Son, age 24
Essex, Massachusetts · implied b. ~1906 — 4 household members
| Surname | Smith |
| Given Name | Theodore |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Teacher |
| Industry | M. I. T. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Theodore Smith across 3 US Census years (1910, 1920 and 1930) in Essex, Massachusetts, using XGBoost record linkage. Identified parents: father Robert Smith (~0.92 confidence) and mother Jessie Smith (~0.92 confidence) and father William Smith (~0.92 confidence) and father William Smith (~0.92 confidence) and mother Eliza Smith (~0.92 confidence) and mother Elsie Smith (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Smith
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Jessie Smith
b. ~1870
Source mother
● Household
· direct · ~0.92
Father
William Smith
b. ~1875
Source father
● Household
· direct · ~0.92
Father
William Smith
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Eliza Smith
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Elsie Smith
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Theodore Smith
Son · 1930 · age 24 · b. ~1906 · Massachusetts
★ You are viewing this record
Sibling
Gregory Smith
Sibling · 1930 · age 22
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
1930 US Federal Census — Essex, Massachusetts
Open full size
1930 US Federal Census — Essex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel901:0144)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elias A Girdler | 44 | Head | Captain | Maine |
| 2 | Mary Girdler | 37 | Wife | — | Irish Free State |
| 3 | Dorothy Girdler | 10 | Daughter | — | Massachusetts |
| 4 | Helen F Girdler | 8 | Daughter | — | Massachusetts |
| 5 | Martha A Girdler | 4 | Daughter | — | Massachusetts |
| 6 | Joseph B Peach | 76 | Head | — | Massachusetts |
| 7 | Sarah J Peach | 75 | Wife | — | Massachusetts |
| 8 | Elizabeth P Peach | 53 | Daughter | Stitcher | Massachusetts |
| 9 | Edgar S Peach | 45 | Son | Iron Worker | Massachusetts |
| 10 | Thomas I Benson | 71 | Head | Superintendent | Massachusetts |
| 11 | Grace E Benson | 45 | Wife | — | Massachusetts |
| 12 | James H Cushing | 50 | Head | Steam Fitter | Canada English |
| 13 | Harriet Cushing | 40 | Wife | — | Canada English |
| 14 | Lizzette W Thomas | 64 | Head | — | Maine |
| 15 | Annie A Richardson | 69 | Head | — | Canada English |
| 16 | Florence M Richardson | 40 | Daughter | — | Massachusetts |
| 17 | William H Richardson | 22 | Nephew | Ticket Agent | Massachusetts |
| 18 | Annie M Richardson | 19 | Niece | Secretary | Massachusetts |
| 19 | Roy B Richardson | 16 | Niece | — | Massachusetts |
| 20 | Mary E Richardson | 14 | Niece | — | Massachusetts |
| 21 | Edgar G Dennis | 45 | Head | Mechanic | Maine |
| 22 | Alice L Dennis | 34 | Wife | — | Massachusetts |
| 23 | Robert T Hamson | 72 | Head | — | Canada English |
| 24 | Lilla N Hamson | 71 | Wife | — | Maine |
| 25 | William E Smith | 55 | Head | Banker | Massachusetts |
| 26 | Eliza B Smith | 51 | Wife | — | Massachusetts |
| 27 | Theodore Smith THIS PERSON | 24 | Son | Teacher | Massachusetts |
| 28 | Gregory Smith | 22 | Son | — | Massachusetts |
| 29 | Sarah P Peach | 70 | Head | Stitcher | Massachusetts |
| 30 | William P Peach | 80 | Brother | — | Massachusetts |
| 31 | William F Mitchell | 68 | Head | — | Massachusetts |
| 32 | Sarah M Mitchell | 65 | Wife | — | Massachusetts |
| 33 | Francis E Dodd | 85 | Sister-in-law | — | Massachusetts |
| 34 | Evan N Cader | 59 | Head | Cutter | Massachusetts |
| 35 | Martha M Cader | 54 | Wife | — | Massachusetts |
| 36 | Grace Cousins | 56 | Head | — | Massachusetts |
| 37 | John G Reeves | 43 | Head | Conductor | Massachusetts |
| 38 | Evelyn Reeves | 36 | Wife | — | Canada English |
| 39 | John H Reeves | 18 | Son | Fireman | Massachusetts |
| 40 | Florence A Reeves | 15 | Daughter | — | Massachusetts |
| 41 | Ernest H Reeves | 12 | Son | — | Massachusetts |
| 42 | Thelma E Reeves | 10 | Daughter | — | Massachusetts |
| 43 | Betty Reeves | 8 | Daughter | — | Massachusetts |
| 44 | William W Reeves | 6 | Son | — | Massachusetts |
| 45 | Don Reeves | 5 | Son | — | Massachusetts |
| 46 | William S Roundy | 66 | Head | Janitor | Massachusetts |
| 47 | Carrie M Roundy | 67 | Wife | — | Massachusetts |
| 48 | Nellie Bartlett | 66 | Head | — | Scotland |
| 49 | Mary E Bartlett | 36 | Daughter | Stitcher | New Hampshire |
| 50 | William D Bartlett | 12 | Grandson | — | Maine |
Pedigree Summary
Theodore + 1 sibling
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)