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Bertha Williams — 1920 US Census Record
Model Tree available1920 United States Federal Census · New Castle, Delaware
Our Model Tree links this Bertha Williams across the 1900, 1910 and 1920 US Censuses in New Castle, Delaware (XGBoost, ~Confirmed), with identified parents Mary & Mary — first a daughter (b.~1897), then head of a 5-person household.
Age 23
b. ~1897
Female
Daughter
Born: Maryland
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | New Castle, Delaware |
| Surname | Williams |
| Given Name | Bertha L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Automobile |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Bookkeeper |
| Township / Ward | Wilmington City |
| Est. Birth Year | ~1897 |
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 Bertha | Age | Birth yr |
|---|---|---|---|---|
| Helena Williams | Daughter | — | 27 | ~1893 |
| Bertha Williams | Daughter | — | 23 | ~1897 |
| Mary Williams | Head | — | 55 | ~1865 |
| Grace Parkinson | Other | — | 19 | ~1901 |
| Helen Scarber | Other | — | 5 | ~1915 |
Census Appearances
1900
New Castle, …
Daughter, age 5
New Castle, Delaware · implied b. ~1895 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Bertha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Maryland |
| Birth Month | Sep |
| Birth Year | 1895 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1910
New Castle, …
Daughter, age 14
New Castle, Delaware · implied b. ~1896 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Bertha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
New Castle, …
Daughter, age 23
New Castle, Delaware · implied b. ~1897 — 5 household members
| Surname | Williams |
| Given Name | Bertha L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Pennsylvania |
| Occupation | Bookkeeper |
| Industry | Automobile |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Bertha Williams across 3 US Census years (1900, 1910 and 1920) in New Castle, Delaware, using XGBoost record linkage. Identified parents: mother Mary Williams (~0.92 confidence) and mother Mary Williams (~0.92 confidence) and mother Mary Williams (~0.92 confidence) and father Anthony Williams (~0.92 confidence) and father Ambrose Williams (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Williams
b. ~1861
Source mother
● Household
· direct · ~0.92
Mother
Mary Williams
b. ~1863
Source mother
● Household
· direct · ~0.92
Mother
Mary Williams
b. ~1865
Source mother
● Household
· direct · ~0.92
Father
Anthony Williams
b. ~1867
Source father
● Household
· direct · ~0.92
Father
Ambrose Williams
b. ~1867
Source father
● Household
· direct · ~0.92
This person
Anchor record
Bertha Williams
Daughter · 1920 · age 23 · b. ~1897 · Delaware
★ You are viewing this record
Sibling
Helena Williams
Sibling · 1920 · age 27
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 — New Castle, Delaware
Open full size
1920 US Federal Census — New Castle, Delaware
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu201unit:0652)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Bessie Cohen | 37 | Head | Retail Merchant | Russia |
| 2 | Benjamin Cohen | 20 | Son | Clerk | Delaware |
| 3 | Esther Cohen | 18 | Daughter | Stenographer | Delaware |
| 4 | Morris Cohen | 16 | Daughter | — | Delaware |
| 5 | Sylvia Cohen | 13 | Daughter | — | Delaware |
| 6 | Saul Hessler | 23 | Head | Cap Manufacturer | New York |
| 7 | Rose Hessler | 23 | Wife | — | New Jersey |
| 8 | Jack Hessler | 3 | Son | — | Delaware |
| 9 | Philip Short | 58 | Head | Buyer | Russia |
| 10 | Francis Short | 57 | Wife | — | Russia |
| 11 | Mary Williams | 55 | Head | Tailoress | Pennsylvania |
| 12 | Helena M Williams | 27 | Daughter | Bookkeeper | Delaware |
| 13 | Bertha L Williams THIS PERSON | 23 | Daughter | Bookkeeper | Maryland |
| 14 | Grace Parkinson | 19 | Boarder | Waitress | Delaware |
| 15 | Helen M Scarber | 5 | Adopted | — | Maryland |
| 16 | John R Smith | 34 | Head | Brakeman | Pennsylvania |
| 17 | Mary B Smith | 26 | Wife | — | Pennsylvania |
| 18 | Henry C Smith | 1 | Son | — | Pennsylvania |
| 19 | Frank C Hostetter | 42 | Head | Apprentice | Delaware |
| 20 | Lottie A Hostetter | 40 | Wife | Chauffeur | Delaware |
| 21 | Mildred F Hostetter | 25 | Son | — | Delaware |
| 22 | Charles M Tarbutton | 35 | Head | Chipper - Rubber | Maryland |
| 23 | Emma M Tarbutton | 17 | Wife | Painter | New Jersey |
| 24 | William H Dempsey | 63 | Head | Morocco | Pennsylvania |
| 25 | Catharine Dempsey | 56 | Wife | Crane Tender | Pennsylvania |
| 26 | William C Dempsey | 24 | Son | — | Delaware |
| 27 | Mary Dempsey | 20 | Daughter in law | Crane Operator | Delaware |
| 28 | Catharine J Dempsey | 1 | Granddaughter | — | Delaware |
| 29 | James Blackwell | 25 | Lodger | — | Virginia |
| 30 | William Saunders | 30 | Lodger | Crane Operator | Unknown |
| 31 | Gertrude J Fisher | 45 | Head | Mechanic | New York |
| 32 | Jaeger Fisher | 25 | Son | Practical Nurse | New York |
| 33 | Milda Drew | 24 | Boarder | Leather Worker | Pennsylvania |
| 34 | Jacob Cooper | 55 | Head | Domestic | Russia |
| 35 | Rachel Cooper | 55 | Wife | Retail Merchant | Russia |
| 36 | Arthur H Cooper | 27 | Son | — | Delaware |
| 37 | Bessie Cooper | 20 | Daughter | Plumber | Delaware |
| 38 | Sarah Cooper | 18 | Daughter | Saleslady | Delaware |
| 39 | William Cooper | 17 | Son | Saleslady | Delaware |
| 40 | Florence Cooper | 13 | Daughter | Salesman | Delaware |
| 41 | Simon Rosenberg | 27 | Head | — | Russia |
| 42 | Ida R Rosenberg | 23 | Wife | Tailor | Russia |
| 43 | Nathan Arrett | 44 | Head | — | Russia |
| 44 | Anna Arrett | 42 | Wife | Laborer | Russia |
| 45 | Esther Arrett | 16 | Daughter | — | Russia |
| 46 | Jennie Arrett | 11 | Daughter | Machine Operator | Russia |
| 47 | Morris J Arrett | 4 | Son | — | Delaware |
| 48 | Louis Gudless | 30 | Head | — | Russia |
| 49 | Ida Gudless | 24 | Wife | Cleaner-Dyer | Russia |
| 50 | Mary Gudless | 3 | Daughter | — | Russia |
Pedigree Summary
Bertha + 1 sibling
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 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)