ES
Elizabeth Simmons — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Elizabeth Simmons across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Robert & William — first a daughter (b.~1917), then head of a 6-person household.
Age 23
b. ~1917
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Simmons |
| Given Name | Elizabeth |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1917 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Elizabeth | Age | Birth yr |
|---|---|---|---|---|
| Ruth Simmons | Spouse | — | 40 | ~1900 |
| Robert Simmons | Son | — | 14 | ~1926 |
| Elizabeth Simmons | Daughter | — | 23 | ~1917 |
| Robert Simmons | Head | — | 45 | ~1895 |
| William Simmons | Son | — | 12 | ~1928 |
| Edgar Simmons | Son | — | 17 | ~1923 |
Census Appearances
1920
Philadelphia, Pennsylvania
Daughter, age 3
Philadelphia, Pennsylvania · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simons |
| Given Name | Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Daughter, age 14
Philadelphia, Pennsylvania · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simon |
| Given Name | Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Daughter, age 23
Philadelphia-County, Pennsylvania · implied b. ~1917 — 6 household members
| Surname | Simmons |
| Given Name | Elizabeth |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Highest Grade | Hs 4 |
| 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 Elizabeth Simmons across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Robert Simmons (~0.92 confidence) and father William Simons (~0.92 confidence) and mother Emma Simon (~0.92 confidence) and mother Margaret Simons (~0.92 confidence) and mother Ruth Simmons (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Simmons
b. ~1895
Source father
● Household
· direct · ~0.92
Father
William Simons
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Emma Simon
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Margaret Simons
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Ruth Simmons
b. ~1900
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Elizabeth Simmons
Daughter · 1940 · age 23 · b. ~1917 · Pennsylvania
★ You are viewing this record
Sibling
Robert Simmons
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edgar Simmons
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Simmons
Sibling · 1940 · age 12
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 — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03705-00193)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Barbara Welsh | 5 | daughter | — | Pennsylvania |
| 2 | Robert Simmons | 45 | Head | Salesman | New York |
| 3 | Ruth Simmons | 40 | wife | — | Pennsylvania |
| 4 | Elizabeth Simmons THIS PERSON | 23 | daughter | — | Pennsylvania |
| 5 | Edgar A. Simmons | 17 | son | — | Pennsylvania |
| 6 | Robert Jr. Simmons | 14 | son | — | Pennsylvania |
| 7 | William Simmons | 12 | son | — | Pennsylvania |
| 8 | James E. Gaynor | 37 | Head | Bank Runner | Pennsylvania |
| 9 | Mary B. Gaynor | 39 | wife | — | Pennsylvania |
| 10 | Joseph R. Gaynor | 10 | son | — | Pennsylvania |
| 11 | James Gaynor | 8 | son | — | Pennsylvania |
| 12 | Patricia Gaynor | 6 | daughter | — | Pennsylvania |
| 13 | Edward Gaynor | 5 | son | — | Pennsylvania |
| 14 | Mary Gaynor | 4 | daughter | — | Pennsylvania |
| 15 | Leith S. Mcilvain | 66 | Head | — | Pennsylvania |
| 16 | Mary O'Regan | 62 | nurse | Maid | Pennsylvania |
| 17 | John R. Scott | 39 | Head | Salesman | Pennsylvania |
| 18 | Grace H. Scott | 37 | wife | — | Pennsylvania |
| 19 | Anita Scott | 16 | daughter | — | Pennsylvania |
| 20 | John R. Jr. Scott | 13 | son | — | Pennsylvania |
| 21 | Anna Landgraf | 58 | Head | — | Germany |
| 22 | Emma Landgraf | 24 | daughter | Hair Dresser | Pennsylvania |
| 23 | Roy Buckley | 37 | Head | Salesman | Pennsylvania |
| 24 | Mary Buckley | 37 | wife | — | Austria |
| 25 | Raymond Buckley | 18 | son | Apprentice | Pennsylvania |
| 26 | Mary Buckley | 15 | daughter | — | Pennsylvania |
| 27 | Madeline Buckley | 11 | daughter | — | Pennsylvania |
| 28 | David W. Davis | 35 | Head | Salesman | Pennsylvania |
| 29 | Marie Davis | 38 | wife | — | Pennsylvania |
| 30 | Jean Davis | 9 | daughter | — | Pennsylvania |
| 31 | Albert Hall | 37 | Head | Bus Driver | Arkansas |
| 32 | Dorothy Hall | 29 | wife | — | Pennsylvania |
| 33 | Albert Jr. Hall | 9 | son | — | Pennsylvania |
| 34 | Edward W. Rhodes | 34 | Head | Driver | Pennsylvania |
| 35 | Marie G. Rhodes | 33 | wife | — | Pennsylvania |
| 36 | Frank R. Reese | 34 | Head | Mechanic | Maryland |
| 37 | Gertrude A. Reese | 33 | wife | — | Pennsylvania |
| 38 | Harry F. Knepp | 36 | Brother-in-law | Checker | Pennsylvania |
| 39 | Grace M. Knepp | 36 | sister | Saleslady | Maryland |
| 40 | Raymond Knepp | 14 | nephew | — | Pennsylvania |
Pedigree Summary
Elizabeth + 3 siblings
Gen 1 · 5 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)