TS
Theodore Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Bucks-County, Pennsylvania
Our Model Tree links this Theodore Smith across the 1920, 1930 and 1940 US Censuses in Bucks-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Annie & William — first a son (b.~1903), then head of a 7-person household.
Age 37
b. ~1903
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bucks-County, Pennsylvania |
| Surname | Smith |
| Given Name | Theodore |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Yardley Borough |
| 1935 Residence (County) | Bucks |
| Additional Details | |
| Occupation | Spray Painter |
| Industry | Automobile Works |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 780 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Spray Painter |
| Township / Ward | Yardley Borough |
| Est. Birth Year | ~1903 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Theodore | Age | Birth yr |
|---|---|---|---|---|
| Agnes Smith | Daughter | — | 40 | ~1900 |
| Janet Smith | Daughter | — | 29 | ~1911 |
| Catherine Smith | Daughter | — | 51 | ~1889 |
| Annie Smith | Head | — | 75 | ~1865 |
| Marion Smith | Other | — | 24 | ~1916 |
| Theodore Smith | Son | — | 37 | ~1903 |
| Francis Smith | Son | — | 31 | ~1909 |
Census Appearances
1920
Bucks, Pennsylvania
Son, age 18
Bucks, Pennsylvania · implied b. ~1902 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Theodore |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Pennsylvania |
| Occupation | Ship fitter |
| Industry | Ship yard |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Bucks, Pennsylvania
Son, age 28
Bucks, Pennsylvania · implied b. ~1902 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Theodore |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Pennsylvania |
| Occupation | painter |
| Industry | contractor |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Bucks-County, Pennsylvania
Son, age 37
Bucks-County, Pennsylvania · implied b. ~1903 — 7 household members
| Surname | Smith |
| Given Name | Theodore |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Yardley Borough |
| 1935 Residence (County) | Bucks |
| Occupation | Spray Painter |
| Industry | Automobile Works |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 780 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Annie Smith (~0.92 confidence) and father William Smith (~0.92 confidence) and father Wm Smith (~0.92 confidence) and mother Annie Smith (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Annie Smith
b. ~1865
Source mother
● Household
· direct · ~0.92
Father
William Smith
b. ~1865
Source father
● Household
· direct · ~0.92
Father
Wm Smith
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Annie Smith
b. ~1868
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Theodore Smith
Son · 1940 · age 37 · b. ~1903 · Pennsylvania
★ You are viewing this record
Sibling
Janet Smith
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Smith
Sibling · 1940 · age 40
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Smith
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Smith
Sibling · 1940 · age 51
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
1940 US Federal Census — Bucks-County, Pennsylvania
Open full size
1940 US Federal Census — Bucks-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03447-00670)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Willis Derry | 61 | Head | Helper | Pennsylvania |
| 42 | Mattie Derry | 64 | Wife | — | Virginia |
| 43 | John G. Tyrrell | 71 | Head | Painter | Pennsylvania |
| 44 | Annie Q. Tyrrell | 66 | Wife | — | Pennsylvania |
| 45 | James Bellamy | 38 | Head | Service Man | No. Carolina |
| 46 | Ella Bellamy | 35 | Wife | House Work | So. Carolina |
| 47 | Elizabeth Bellamy | 17 | Daughter | — | Pennsylvania |
| 48 | James Bellamy | 15 | Son | — | Pennsylvania |
| 49 | Beatrice Mason | 10 | Niece | — | New Jersey |
| 50 | Henry P. Mcvey | 50 | Head | Equip Operator | Illinois |
| 51 | Sara Mabel Mcvey | 43 | Wife | — | Pennsylvania |
| 52 | Bernice L. Mcvey | 21 | Daughter | — | Pennsylvania |
| 53 | Dolores Mcvey | 5 | Daughter | — | Pennsylvania |
| 54 | Annie Smith | 75 | Head | — | Pennsylvania |
| 55 | Catherine Smith | 51 | Daughter | Inspector | New Jersey |
| 56 | Agnes Smith | 40 | Daughter | Inspector | Pennsylvania |
| 57 | Theodore Smith THIS PERSON | 37 | Son | Spray Painter | Pennsylvania |
| 58 | Francis Smith | 31 | Son | — | Pennsylvania |
| 59 | Marion Smith | 24 | Granddaughter | Assistant | Pennsylvania |
| 60 | Janet Smith | 29 | Daughter | — | Pennsylvania |
| 61 | Margaret Doheny | 50 | Head | — | Pennsylvania |
| 62 | Caroline Doheny | 23 | Daughter | Office Clerk | Pennsylvania |
| 63 | Herman Zimmerman | 50 | Head | Operator | New Jersey |
| 64 | Anna Zimmerman | 43 | Wife | Operator | New Jersey |
| 65 | Dorothy Zimmerman | 16 | Daughter | — | New Jersey |
| 66 | Sherman Boulton | 73 | Head | Carpenter | Pennsylvania |
| 67 | Annie Boulton | 36 | Wife | — | Pennsylvania |
| 68 | Doris Boulton | 16 | Daughter | — | Pennsylvania |
| 69 | Hugh J. Boulton | 14 | Son | — | Pennsylvania |
| 70 | Linford R. South | 39 | Head | Machinist | Pennsylvania |
| 71 | Elsie South | 33 | Wife | Operator | Pennsylvania |
| 72 | Harry South | 78 | Father | — | Pennsylvania |
| 73 | W. W. Foulis | 42 | Head | Laborer | Vermont |
| 74 | Elsie Foulis | 32 | Wife | — | Pennsylvania |
| 75 | Edward Foulis | 20 | Son | — | Pennsylvania |
| 76 | Kenneth Foulis | 16 | Son | — | Pennsylvania |
| 77 | Marion Foulis | 11 | Daughter | — | Pennsylvania |
| 78 | James Foulis | 8 | Son | — | Pennsylvania |
| 79 | Lois Foulis | 6 | Daughter | — | Pennsylvania |
| 80 | Alice Ross | 24 | Boarder | Stenographer | Pennsylvania |
Pedigree Summary
Theodore + 4 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)