RC
Ruth Clark — 1920 US Census Record
Model Tree available1920 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this Ruth Clark across the 1920, 1930 and 1940 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed), with identified parents Richard & Warren — first a daughter (b.~1919), then head of a 5-person household.
Age 1
b. ~1919
Female
Daughter
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Philadelphia, Pennsylvania |
| Surname | Clark |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1919 |
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.
5 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Ruth Clark | Daughter | — | 1 | ~1919 |
| Warren Clark | Head | — | 29 | ~1891 |
| Robert Clark | Son | — | 3 | ~1917 |
| Warren Clark | Son | — | 4 | ~1916 |
| Helen Clark | Spouse | — | 25 | ~1895 |
Census Appearances
1920
Philadelphia, Pennsylvania
Daughter, age 1
Philadelphia, Pennsylvania · implied b. ~1919 — 5 household members
| Surname | Clark |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| 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 11
Philadelphia, Pennsylvania · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clarke |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| 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
Montgomery-County, Pennsylvania
Spouse, age 21
Montgomery-County, Pennsylvania · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clarke |
| Given Name | Ruth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 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 Ruth Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Richard Clarke (~0.92 confidence) and father Warren Clark (~0.92 confidence) and mother Helen Clark (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Richard Clarke
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Warren Clark
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Helen Clark
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Clark
Daughter · 1920 · age 1 · b. ~1919 · Pennsylvania
★ You are viewing this record
Sibling
Warren Clark
Sibling · 1920 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Clark
Sibling · 1920 · age 3
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
1920 US Federal Census — Philadelphia, Pennsylvania
Open full size
1920 US Federal Census — Philadelphia, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1623unit:0840)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mamie Hering | 51 | Wife | — | Maryland |
| 2 | Cyril P Arnold | 22 | Head | Accountant | Pennsylvania |
| 3 | Helen Arnold | 22 | Wife | — | Pennsylvania |
| 4 | John H. Wurtz | 28 | Head | Traffic Manager | New York |
| 5 | May S. Wurtz | 27 | Wife | — | New Jersey |
| 6 | George Sheuring | 58 | Head | Tailor | Germany |
| 7 | Katherine Sheuring | 60 | Wife | — | Germany |
| 8 | Anna M. Sheuring | 24 | Daughter | Coat Maker | New York |
| 9 | Edward B. Sheuring | 22 | Son | Apprentice | New York |
| 10 | Robert N. Mangle | 31 | Head | Salesman | Pennsylvania |
| 11 | Mabel B. Mangle | 28 | Wife | — | Pennsylvania |
| 12 | Doris S. Mangle | 1 | Daughter | — | Pennsylvania |
| 13 | Emma L. Bishop | 19 | Sister-in-law | Stenographer | Pennsylvania |
| 14 | Charles M. Young | 28 | Head | Engineering Draughtsman | New Jersey |
| 15 | Grace E. Young | 27 | Wife | — | Pennsylvania |
| 16 | Robert D. Peter | 32 | Head | Structural Engineer | Pennsylvania |
| 17 | Evelyn M. Peter | 28 | Wife | — | Delaware |
| 18 | Robert D. Peter | 1 | Son | — | Pennsylvania |
| 19 | Donald B. Smith | 24 | Head | Druggist | Pennsylvania |
| 20 | Evelyn J. Smith | 20 | Wife | — | Pennsylvania |
| 21 | Donald B. Smith | 0 | Son | — | Pennsylvania |
| 22 | Newton Gordon | 32 | Head | Electrical Engineer | Maryland |
| 23 | Charlotte A. Gordon | 30 | Wife | — | Pennsylvania |
| 24 | Walter R. Gordon | 1 | Son | — | Pennsylvania |
| 25 | Warren W. Clark | 29 | Head | Ship Riveter | Pennsylvania |
| 26 | Helen M. Clark | 25 | Wife | — | Pennsylvania |
| 27 | Warren W. Clark | 4 | Son | — | Pennsylvania |
| 28 | Robert Clark | 3 | Son | — | Pennsylvania |
| 29 | Ruth Clark THIS PERSON | 1 | Daughter | — | Pennsylvania |
| 30 | Emma Schilling | 46 | Head | — | New York |
| 31 | Emma Schilling | 23 | Daughter | Clerk | New York |
| 32 | Frank M. Schilling | 24 | Son | Civil Engineer | New York |
| 33 | Howard B. Burritt | 26 | Head | Stenographer | New York |
| 34 | Grace G. Burritt | 35 | Wife | Teacher | Pennsylvania |
| 35 | Howard B. Burritt | 1 | Son | — | Pennsylvania |
| 36 | Felix Wunsch | 33 | Head | Electrical Engineer | Pennsylvania |
| 37 | Meta Wunsch | 27 | Wife | — | Pennsylvania |
| 38 | Herbert Austin | 68 | Head | — | Pennsylvania |
| 39 | Mary E. Myers | 30 | Adopted Daughter | Nurse | Pennsylvania |
| 40 | Arthur Atherton | 38 | Head | Draughtsman | England |
| 41 | Annie Atherton | 37 | Wife | — | England |
| 42 | Norman Atherton | 15 | Son | Apprentice | England |
| 43 | Arthur Atherton | 11 | Son | — | England |
| 44 | Alec Atherton | 8 | Son | — | England |
| 45 | Clifford Atherton | 5 | Son | — | Pennsylvania |
| 46 | Stanley Atherton | 3 | Son | — | Pennsylvania |
| 47 | Charles C. Muller | 32 | Head | Electrician | Pennsylvania |
| 48 | Nellie Muller | 31 | Wife | — | Pennsylvania |
| 49 | Charles Muller | 0 | Son | — | Pennsylvania |
| 50 | Mary Muller | 60 | Mother | Packer | Pennsylvania |
Pedigree Summary
Ruth + 2 siblings
Gen 1 · 3 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)