MW
Mary William — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this Mary William across the 1920 and 1930 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1888), then head of a 5-person household.
Age 32
b. ~1888
Female
Spouse
Born: Maryland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Philadelphia, Pennsylvania |
| Surname | William |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1888 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| John William | Son | — | 10 | ~1910 |
| Wilmer William | Head | — | 33 | ~1887 |
| Anna Belle | Other | — | 19 | ~1901 |
| Mary William | Spouse | — | 32 | ~1888 |
| Ruth William | Daughter | — | 11 | ~1909 |
Census Appearances
1920
Philadelphia, Pennsylvania
Spouse, age 32
Philadelphia, Pennsylvania · implied b. ~1888 — 5 household members
| Surname | William |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Philadelphia, Pennsylvania
Spouse, age 42
Philadelphia, Pennsylvania · implied b. ~1888 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 37 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Cook |
| Industry | Private Family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| 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 Mary William across 2 US Census years (1920 and 1930) in Philadelphia, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
Mary William
Spouse · 1920 · age 32 · b. ~1888 · Pennsylvania
★ You are viewing this record
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:1920:14thcensusofpopu1646unit:0291)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Helen Brennan | 16 | Daughter | Operator | Pennsylvania |
| 2 | Alonzo Smith | 38 | Head | Helper | North Carolina |
| 3 | Gredy Smith | 34 | Wife | — | North Carolina |
| 4 | Laura Smith | 5 | Daughter | — | Virginia |
| 5 | Robert Davis | 28 | Brother-in-law | Porter | North Carolina |
| 6 | Clarence L. Speller | 23 | Lodger | Porter | North Carolina |
| 7 | Florence Speller | 18 | Wife | — | North Carolina |
| 8 | Dorothy Rountree | 17 | 2nd Cousin | — | Pennsylvania |
| 9 | Sara Rountree | 6 | 2nd Cousin | — | Pennsylvania |
| 10 | Emma Cook | 50 | Head | Day'S Work | Delaware |
| 11 | James Cook | 52 | Brother | Teamster | Pennsylvania |
| 12 | Edward Pryor | 62 | Head | Shoemaker | Virginia |
| 13 | Carrie Pryor | 44 | Wife | — | Virginia |
| 14 | Robert Sewell | 40 | Head | Hod Carrier | Virginia |
| 15 | Catherine Sewell | 50 | Wife | Day'S Work | Virginia |
| 16 | John Davis | 35 | Lodger | Laborer | Virginia |
| 17 | William Bagley | 50 | Head | Laborer | Virginia |
| 18 | Ida Bagley | 40 | Wife | — | Maryland |
| 19 | William Jr. Bagley | 19 | Son | Laborer | Pennsylvania |
| 20 | Omelia Bagley | 18 | Daughter-in-law | — | Florida |
| 21 | Louise Bagley | 4 | Daughter | — | Pennsylvania |
| 22 | Viola Bagley | 14 | Daughter | — | Pennsylvania |
| 23 | John Henry Bagley | 10 | Son | — | Pennsylvania |
| 24 | Lucine Bagley | 8 | Daughter | — | Pennsylvania |
| 25 | George Bagley | 5 | Son | — | Pennsylvania |
| 26 | Marie Bagley | 2 | Daughter | — | Pennsylvania |
| 27 | Cora Tillman | 37 | Niece | Servant | Maryland |
| 28 | Wilmer William | 33 | Head | Policeman | Maryland |
| 29 | Mary William THIS PERSON | 32 | Wife | — | Maryland |
| 30 | Ruth William | 11 | Daughter | — | Pennsylvania |
| 31 | John William | 10 | Son | — | Pennsylvania |
| 32 | Anna Belle | 19 | Sister-in-law | Servant | Maryland |
| 33 | Nick Williams | 34 | Head | Laborer | Pennsylvania |
| 34 | Eva Williams | 31 | Wife | Day'S Work | Pennsylvania |
| 35 | William Cosman | 46 | Head | Laborer | Pennsylvania |
| 36 | Laura Cosman | 37 | Wife | Day'S Work | Virginia |
| 37 | Sylvester Shank | 40 | Head | Laborer | Pennsylvania |
| 38 | Mildred Shank | 35 | Wife | Music Teacher | Pennsylvania |
| 39 | James Griffin | 36 | Head | Driver | Pennsylvania |
| 40 | Mamie Griffin | 27 | Wife | — | South Carolina |
| 41 | Samuel Griffin | 11 | Son | — | South Carolina |
| 42 | William Sumler | 29 | Head | Fireman | D. of C. |
| 43 | Sylvia Sumler | 27 | Wife | Day'S Work | Virginia |
| 44 | James Sumler | 20 | Cousin | Steelworker | Virginia |
| 45 | Isaac Butler | 29 | Head | Laborer | Florida |
| 46 | Louise Butler | 24 | Wife | Day'S Work | Maryland |
| 47 | Margaret Ross | 19 | Sister-in-law | Shipwork | Maryland |
| 48 | Linwood Hinder | 36 | Head | Laborer | Delaware |
| 49 | Mary Hinder | 43 | Wife | Servant | Maryland |
| 50 | Scott Carr | 49 | Brother-in-law | Laborer | Maryland |
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)