IC
Ida Clark — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this Ida Clark across the 1910 and 1920 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1904), then head of a 11-person household.
Age 16
b. ~1904
Female
Daughter
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Philadelphia, Pennsylvania |
| Surname | Clark |
| Given Name | Ida |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Twister |
| Industry | Yarn Mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Twister |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1904 |
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.
11 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Ida | Age | Birth yr |
|---|---|---|---|---|
| Laura Clark | Daughter | — | 14 | ~1906 |
| Margaret Clark | Daughter | — | 7 | ~1913 |
| Alexander Clark | Head | — | 65 | ~1855 |
| Elsie Clark | Daughter | — | 11 | ~1909 |
| Elizabeth Clark | Daughter | — | 20 | ~1900 |
| Ida Clark | Daughter | — | 16 | ~1904 |
| Ida Clark | Spouse | — | 43 | ~1877 |
| Harry Casey | Other | — | 2 | ~1918 |
| William Clark | Son | — | 22 | ~1898 |
| Harry Casey | Other | — | 25 | ~1895 |
| Mary Davis | Daughter | — | 18 | ~1902 |
Census Appearances
1910
Philadelphia, Pennsylvania
Daughter, age 6
Philadelphia, Pennsylvania · implied b. ~1904 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Ida |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Philadelphia, Pennsylvania
Daughter, age 16
Philadelphia, Pennsylvania · implied b. ~1904 — 11 household members
| Surname | Clark |
| Given Name | Ida |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Twister |
| Industry | Yarn Mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| 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 Clark across 2 US Census years (1910 and 1920) in Philadelphia, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
Ida Clark
Daughter · 1920 · age 16 · b. ~1904 · Pennsylvania
★ You are viewing this record
Sibling
Elsie Clark
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Clark
Sibling · 1920 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Laura Clark
Sibling · 1920 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Clark
Sibling · 1920 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Davis
Sibling · 1920 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Clark
Sibling · 1920 · age 7
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:1920:14thcensusofpopu1638unit:0952)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Anna | 8 | Daughter | — | Pennsylvania |
| 52 | Elizabeth | 31 | Sister-in-law | Packer | Pennsylvania |
| 53 | Elsie Dilson | 9 | Niece | — | Pennsylvania |
| 54 | James Dilson | 7 | Nephew | — | Pennsylvania |
| 55 | William Dilson | 3 | Nephew | — | Pennsylvania |
| 56 | Charles Davis | 42 | Head | Foreman | Pennsylvania |
| 57 | Catherine Davis | 39 | Wife | — | Pennsylvania |
| 58 | Leo Davis | 13 | Son | — | Pennsylvania |
| 59 | Charles Jr. Davis | 11 | Son | — | Pennsylvania |
| 60 | Catherine Davis | 8 | Daughter | — | Pennsylvania |
| 61 | Mary Davis | 6 | Daughter | — | Pennsylvania |
| 62 | Dorothy Davis | 1 | Daughter | — | Pennsylvania |
| 63 | John Atkins | 39 | Head | Core Maker | Pennsylvania |
| 64 | Mary Atkins | 39 | Wife | — | Pennsylvania |
| 65 | Catherine Atkins | 9 | Daughter | — | Pennsylvania |
| 66 | Samuel H. Strong | 46 | Head | Book Keeper | Pennsylvania |
| 67 | Ella C. Strong | 47 | Wife | — | Pennsylvania |
| 68 | Harry S. Strong | 24 | Son | Laborer | Pennsylvania |
| 69 | George Y. Strong | 17 | Son | Laborer | Pennsylvania |
| 70 | Ella C. Strong | 20 | Daughter | Inspector | Pennsylvania |
| 71 | Maria Strong | 15 | Daughter | — | Pennsylvania |
| 72 | Anna Strong | 13 | Daughter | — | Pennsylvania |
| 73 | Edna Strong | 12 | Daughter | — | Pennsylvania |
| 74 | William Strong | 10 | Son | — | Pennsylvania |
| 75 | Edward Strong | 6 | Son | — | Pennsylvania |
| 76 | Charles Strong | 4 | Son | — | Pennsylvania |
| 77 | Alexander Clark | 65 | Head | Fireman | Pennsylvania |
| 78 | Ida Clark | 43 | Wife | — | Pennsylvania |
| 79 | William Clark | 22 | Son | Chauffeur | Pennsylvania |
| 80 | Elizabeth Clark | 20 | Daughter | Book Binder | Pennsylvania |
| 81 | Mary Davis | 18 | Daughter | — | Pennsylvania |
| 82 | Ida Clark THIS PERSON | 16 | Daughter | Twister | Pennsylvania |
| 83 | Laura Clark | 14 | Daughter | — | Pennsylvania |
| 84 | Elsie Clark | 11 | Daughter | — | Pennsylvania |
| 85 | Margaret Clark | 7 | Daughter | — | Pennsylvania |
| 86 | Harry A. Casey | 2 | Grandson | — | Pennsylvania |
| 87 | Harry H. Casey | 25 | Son-in-law | Fireman | Pennsylvania |
| 88 | Herbert W. Lunn | 44 | Head | Foreman | England |
| 89 | Anna C. Lunn | 37 | Wife | — | Ireland |
| 90 | William H. Lunn | 20 | Son | Electrician | New York |
| 91 | Selina H. Davis | 21 | Daughter | Clerk | New York |
| 92 | Walter E. Lunn | 16 | Son | Clerk | New York |
| 93 | Herbert L. Lunn | 16 | Son | Mail Clerk | New York |
| 94 | Dorothy Lunn | 12 | Daughter | — | New York |
| 95 | Thomas H. Lunn | 10 | Son | — | New York |
| 96 | Anna M. Lunn | 8 | Daughter | — | New York |
| 97 | Ruth A. Lunn | 3 | Daughter | — | New York |
| 98 | Charles Anderson | 40 | Head | Shipper | Sweden |
| 99 | Ida Anderson | 49 | Wife | — | Sweden |
| 100 | Anna Anderson | 9 | Daughter | — | Pennsylvania |
Related Census Records
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)