HC
Helen Cook — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Delaware, Pennsylvania
Our Model Tree links this Helen Cook across the 1930 and 1940 US Censuses in Delaware, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 8-person household.
Age 2
b. ~1928
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Delaware, Pennsylvania |
| Surname | Cook |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| 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 | Colwyn Borough |
| Est. Birth Year | ~1928 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Jennie Cook | Daughter | — | 3 | ~1927 |
| Fred Cook | Son | — | 6 | ~1924 |
| Rose Cook | Daughter | — | 10 | ~1920 |
| Helen Cook | Daughter | — | 2 | ~1928 |
| Fred Cook | Head | — | 34 | ~1896 |
| Rose Cook | Spouse | — | 38 | ~1892 |
| Anna Cook | Daughter | — | 8 | ~1922 |
| Dorothy Cook | Daughter | — | 12 | ~1918 |
Census Appearances
1930
Delaware, Pennsylvania
Daughter, age 2
Delaware, Pennsylvania · implied b. ~1928 — 8 household members
| Surname | Cook |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Delaware-County, Pennsylvania
Daughter, age 12
Delaware-County, Pennsylvania · implied b. ~1928 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooke |
| Given Name | Helen |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Colwyn Borough |
| 1935 Residence (County) | Delaware |
| Highest Grade | No 7 |
| 1935 Residence | Same house |
| 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 Helen Cook across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Helen Cook
Daughter · 1930 · age 2 · b. ~1928 · Pennsylvania
★ You are viewing this record
Sibling
Anna Cook
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Cook
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fred Cook
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Cook
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jennie Cook
Sibling · 1930 · 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
1930 US Federal Census — Delaware, Pennsylvania
Open full size
1930 US Federal Census — Delaware, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2030:0473)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James H. Smith | 45 | Head | Contractor | North Carolina |
| 2 | Ella E. Smith | 45 | Wife | — | North Carolina |
| 3 | James E. Smith | 25 | Son | Laborer | North Carolina |
| 4 | Edna M. Smith | 4 | Daughter | — | North Carolina |
| 5 | George Morris | 12 | — | — | Pennsylvania |
| 6 | John Green | 12 | — | — | Pennsylvania |
| 7 | Aaron J. Ridder | 79 | Head | — | Delaware |
| 8 | Edward H. Ridder | 25 | Son | Mason | Pennsylvania |
| 9 | Aaron J. Jr. Ridder | 40 | Son | Truck Driver | Pennsylvania |
| 10 | Mary R. Ridder | 23 | Daughter-in-law | Sales Woman | Missouri |
| 11 | Florence V. Ridder | 30 | Daughter | General Worker | Pennsylvania |
| 12 | Stewart A. Ridder | 12 | Grandson | — | Maryland |
| 13 | Marcella Ridder | 3 | Granddaughter | — | Pennsylvania |
| 14 | Edward Ridder | 1 | Grandson | — | Pennsylvania |
| 15 | Henry Small | 29 | Head | Baker | Northern Ireland |
| 16 | Mary E. Small | 32 | Wife | — | Northern Ireland |
| 17 | Mary R. Small | 8 | Daughter | — | Northern Ireland |
| 18 | John S. Small | 5 | Son | — | Northern Ireland |
| 19 | Francis E. Small | 4 | Son | — | Canada English |
| 20 | Theresa Small | 2 | Daughter | — | Canada English |
| 21 | Agnes Small | 1 | Daughter | — | New Jersey |
| 22 | Joseph Small | 0 | Son | — | Pennsylvania |
| 23 | Edward J. Hardy | 56 | Head | Policeman | Irish Free State |
| 24 | Mary Hardy | 56 | Wife | — | Newfoundland |
| 25 | Mary Hardy | 19 | Daughter | Packer | Pennsylvania |
| 26 | Edward J. Hardy | 9 | Son | — | Pennsylvania |
| 27 | Harry Surran | 49 | Head | Tank Builder | New Jersey |
| 28 | Fannie Surran | 52 | Wife | — | Maryland |
| 29 | Howard Surran | 11 | Son | — | Pennsylvania |
| 30 | Angelina Deanchi | 39 | Head | Seamstress | Italy |
| 31 | Anna Deanchi | 17 | Daughter | Seamstress | Italy |
| 32 | Giacomo Deanchi | 15 | Daughter | — | Pennsylvania |
| 33 | Fred Deanchi | 14 | Son | — | Pennsylvania |
| 34 | Adeline Deanchi | 11 | Daughter | — | Pennsylvania |
| 35 | Nancy Deanchi | 9 | Daughter | — | Pennsylvania |
| 36 | Fred Cook | 34 | Head | Plasterer'S Helper | Pennsylvania |
| 37 | Rose Cook | 38 | Wife | — | Pennsylvania |
| 38 | Dorothy Cook | 12 | Daughter | — | Pennsylvania |
| 39 | Rose Cook | 10 | Daughter | — | Pennsylvania |
| 40 | Anna Cook | 8 | Daughter | — | Pennsylvania |
| 41 | Fred Jr. Cook | 6 | Son | — | Pennsylvania |
| 42 | Jennie Cook | 3 | Daughter | — | Pennsylvania |
| 43 | Helen Cook THIS PERSON | 2 | Daughter | — | Pennsylvania |
| 44 | William Murphy | 42 | Head | Gardner | Pennsylvania |
| 45 | Ellen Murphy | 31 | Wife | — | Pennsylvania |
| 46 | William Murphy | 15 | Son | — | Pennsylvania |
| 47 | Eleanor Murphy | 12 | Daughter | — | Pennsylvania |
| 48 | Margaret Murphy | 5 | Daughter | — | Pennsylvania |
| 49 | Jack Murphy | 2 | Son | — | Pennsylvania |
| 50 | Gaetano Barbieri | 33 | Head | Stone Mason | Italy |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)