MC
Margaret Cook — 1920 US Census Record
Model Tree available1920 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this Margaret Cook across the 1900, 1910 and 1920 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed), with identified parents Mary & Richard — first a daughter (b.~1900), then head of a 4-person household.
Age 20
b. ~1900
Female
Daughter
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Philadelphia, Pennsylvania |
| Surname | Cook |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Clerk |
| Industry | Plumbing Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Clerk |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1900 |
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.
4 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Cook | Daughter | — | 20 | ~1900 |
| William Cook | Head | — | 49 | ~1871 |
| William Cook | Son | — | 14 | ~1906 |
| Emma Cook | Spouse | — | 47 | ~1873 |
Census Appearances
1900
Philadelphia, Pennsylvania
Daughter, age
Philadelphia, Pennsylvania · implied b. ~1900 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Birth Month | Apr |
| Birth Year | 1900 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1910
Philadelphia, Pennsylvania
Daughter, age 9
Philadelphia, Pennsylvania · implied b. ~1901 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Margaret M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Philadelphia, Pennsylvania
Daughter, age 20
Philadelphia, Pennsylvania · implied b. ~1900 — 4 household members
| Surname | Cook |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Clerk |
| Industry | Plumbing Factory |
| 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 Margaret Cook across 3 US Census years (1900, 1910 and 1920) in Philadelphia, Pennsylvania, using XGBoost record linkage. Identified parents: mother Mary Cook (~0.80 confidence) and father Richard Cook (~0.92 confidence) and father Samuel Cook (~0.92 confidence) and mother Sarah Cook (~0.92 confidence) and father William Cook (~0.92 confidence) and mother Emma Cook (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.9
Mother
Mary Cook
b. ~None
Source mother
● Household
· direct · ~0.8
Father
Richard Cook
b. ~1865
Source father
● Household
· direct · ~0.92
Father
Samuel Cook
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Sarah Cook
b. ~1867
Source mother
● Household
· direct · ~0.92
Father
William Cook
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Emma Cook
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Cook
Daughter · 1920 · age 20 · b. ~1900 · Pennsylvania
★ You are viewing this record
Sibling
William Cook
Sibling · 1920 · age 14
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:1920:14thcensusofpopu1635unit:0755)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Lawrence Horlacher | 34 | Head | — | Pennsylvania |
| 52 | Irma A Horlacher | 14 | Daughter | — | Pennsylvania |
| 53 | Wayne S Horlacher | 11 | Son | — | Pennsylvania |
| 54 | Robert E Horlacher | 10 | Son | — | Pennsylvania |
| 55 | Laura M Horlacher | 8 | Daughter | — | Pennsylvania |
| 56 | Susan Horlacher | 67 | Mother | — | Pennsylvania |
| 57 | Esther Horlacher | 31 | Sister | Examiner | Pennsylvania |
| 58 | Stony B Shultz | 35 | Head | Mail Clerk | Pennsylvania |
| 59 | Mabel H Shultz | 30 | Wife | — | Pennsylvania |
| 60 | Stony Jr Shultz | 3 | Son | — | Pennsylvania |
| 61 | Joseph A Trego | 22 | Boarder | Pattern Maker | Delaware |
| 62 | William J Cook | 49 | Head | Foreman | Pennsylvania |
| 63 | Emma E Cook | 47 | Wife | — | Pennsylvania |
| 64 | Margaret Cook THIS PERSON | 20 | Daughter | Clerk | Pennsylvania |
| 65 | William J Jr Cook | 14 | Son | — | Pennsylvania |
| 66 | Jacob M Frechier | 37 | Head | Manufacturer | Pennsylvania |
| 67 | Bessie Frechier | 33 | Wife | — | Pennsylvania |
| 68 | Mary V Frechier | 13 | Daughter | — | Pennsylvania |
| 69 | Janet M Frechier | 11 | Daughter | — | Pennsylvania |
| 70 | Ilma Blum | 59 | Mother-in-law | — | Pennsylvania |
| 71 | Mary E Chester | 69 | Head | — | Pennsylvania |
| 72 | Laura Chester | 41 | Daughter-in-law | — | Pennsylvania |
| 73 | Allen F Chester | 19 | Grandson | Agent | Pennsylvania |
| 74 | William H Mahoney | 27 | Head | — | Pennsylvania |
| 75 | Irma M Mahoney | 27 | Wife | — | Pennsylvania |
| 76 | Harry J Mcandrews | 35 | Head | Proprietor | Pennsylvania |
| 77 | Edith Mcandrews | 35 | Wife | — | Pennsylvania |
| 78 | Robert H Mcandrews | 4 | Son | — | Pennsylvania |
| 79 | Melva S Mcandrews | 3 | Daughter | — | Pennsylvania |
| 80 | Minerva S Galt | 65 | Head | Stenographer | Pennsylvania |
| 81 | Beatrice G Galt | 63 | Sister | Stenographer | Pennsylvania |
| 82 | Susan G Galt | 52 | Sister | Stenographer | Pennsylvania |
| 83 | Annie G Galt | 51 | Sister | Stenographer | Pennsylvania |
| 84 | Adelaide M Galt | 41 | Sister | Stenographer | Pennsylvania |
| 85 | Gertrude M Ott | 36 | Sister | — | Pennsylvania |
| 86 | Raymond S Perry | 32 | Sister | — | Pennsylvania |
| 87 | Louis Perry | 44 | Brother-in-law | — | Pennsylvania |
| 88 | Louis Jr Perry | 10 | Nephew | — | Pennsylvania |
| 89 | Morris Bien | 33 | Head | Clerk | Pennsylvania |
| 90 | Bessie Bien | 33 | Wife | — | Pennsylvania |
| 91 | Isadore F Bien | 11 | Son | — | Pennsylvania |
| 92 | Robert L Bien | 3 | Son | — | Pennsylvania |
| 93 | Aaron Hinfuss | 68 | Father-in-law | Salesman | Baden |
| 94 | Hannah Hinfuss | 58 | Mother-in-law | — | Baden |
| 95 | Moses Leed | 50 | Head | Tailor | Germany |
| 96 | Bella H Leed | 47 | Wife | — | Germany |
| 97 | Edna G Leed | 17 | Daughter | Stenographer | Pennsylvania |
| 98 | Arnold G Leed | 9 | Son | — | Pennsylvania |
| 99 | Selma S Brennan | 20 | Daughter | Cigar Maker | Pennsylvania |
| 100 | W Joseph Brennan | 28 | Son-in-law | Machinist | Pennsylvania |
Pedigree Summary
Margaret + 1 sibling
Gen 1 · 6 parents
~0.9
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)