IS
Ida Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lehigh-County, Pennsylvania
Our Model Tree links this Ida Smith across the 1920, 1930 and 1940 US Censuses in Lehigh-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1869), then head of a 3-person household.
Age 71
b. ~1869
Female
Spouse
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lehigh-County, Pennsylvania |
| Surname | Smith |
| Given Name | Ida |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 71 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Lehigh |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Allentown City |
| Est. Birth Year | ~1869 |
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 1940 census.
| Name | Relation to head | Relative to Ida | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Roseman | Daughter | — | 32 | ~1908 |
| James Smith | Head | — | 77 | ~1863 |
| Ida Smith | Spouse | — | 71 | ~1869 |
Census Appearances
1920
Lehigh, Pennsylvania
Spouse, age 51
Lehigh, Pennsylvania · implied b. ~1869 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Ida |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Lehigh, Pennsylvania
Spouse, age 61
Lehigh, Pennsylvania · implied b. ~1869 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Ida E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 20 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Lehigh-County, Pennsylvania
Spouse, age 71
Lehigh-County, Pennsylvania · implied b. ~1869 — 3 household members
| Surname | Smith |
| Given Name | Ida |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 71 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Lehigh |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Pennsylvania |
| 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 Ida Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ida Smith
Spouse · 1940 · age 71 · b. ~1869 · Pennsylvania
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Lehigh-County, Pennsylvania
Open full size
1940 US Federal Census — Lehigh-County, Pennsylvania
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03544-00382)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Barbara Canova | 32 | Wife | — | Pennsylvania |
| 2 | Jean Canova | 6 | Daughter | — | Pennsylvania |
| 3 | James Canova | 3 | Son | — | Pennsylvania |
| 4 | Walter F. Wirth | 48 | Head | Truck Driver | Pennsylvania |
| 5 | Helen Reinhart | 38 | Servant | Housekeeper | Pennsylvania |
| 7 | William Hill | 54 | Head | Round House Man | Pennsylvania |
| 8 | Edna Hill | 53 | Wife | Dressmaker | Pennsylvania |
| 9 | Helen Hollingsworth | 36 | Daughter | High Speed Operator | Pennsylvania |
| 10 | Benjamin Hollingsworth | 51 | Son in law | Salesman | Texas |
| 11 | Marilyn Allen | 18 | Daughter | — | Pennsylvania |
| 12 | James Hollingsworth | 15 | Grandson | — | Pennsylvania |
| 13 | Nancy Hollingsworth | 13 | Granddaughter | — | Pennsylvania |
| 14 | Jean Hollingsworth | 11 | Granddaughter | — | Pennsylvania |
| 15 | Robert Hollingsworth | 8 | Grandson | — | Pennsylvania |
| 16 | Audrey Hollingsworth | 6 | Granddaughter | — | Pennsylvania |
| 17 | Earl Hill | 34 | Son | Investigator | Pennsylvania |
| 18 | Louis Marin | 33 | Head | Stock Clerk | Pennsylvania |
| 19 | Marie Marin | 29 | Wife | Saleslady | Pennsylvania |
| 20 | Forrest Marin | 8 | Son | — | Pennsylvania |
| 21 | Harry Cole | 41 | Head | Cutter | Pennsylvania |
| 22 | Eva Cole | 37 | Wife | — | Pennsylvania |
| 23 | Robert Cole | 7 | Son | — | Pennsylvania |
| 24 | James W. Smith | 77 | Head | — | Pennsylvania |
| 25 | Ida Smith THIS PERSON | 71 | Wife | — | Pennsylvania |
| 26 | Dorothy Roseman | 32 | Daughter | Clerk | Pennsylvania |
| 27 | Ralph H. Bechtel | 50 | Head | Locomotive Engineer | Pennsylvania |
| 28 | Anna Bechtel | 52 | Wife | — | Pennsylvania |
| 29 | Jane Bechtel | 20 | Daughter | Advertising Writer | Pennsylvania |
| 30 | Emma Bodder | 83 | Mother in law | — | Pennsylvania |
| 31 | George H. La Bold | 33 | Head | Yardmaster | Pennsylvania |
| 32 | Marie C. La Bold | 51 | Wife | — | Pennsylvania |
| 33 | Jack J. La Bold | 25 | Son | — | Pennsylvania |
| 34 | William Rappe | 60 | Head | Retail Butcher Shop | Pennsylvania |
| 35 | Florence Rappe | 50 | Wife | — | Pennsylvania |
| 36 | Brighton Schaffer | 38 | Head | Laborer | Pennsylvania |
| 37 | Verna Schaffer | 39 | Wife | Presser | Pennsylvania |
| 38 | John Schaffer | 10 | Son | — | Pennsylvania |
| 39 | Russel Pech | 32 | Head | Weaver | Pennsylvania |
| 40 | Adeline Pech | 31 | Wife | Weaver | Pennsylvania |
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)