WD
William Day — 1920 US Census Record
Model Tree available1920 United States Federal Census · Baltimore, Maryland
Our Model Tree links this William Day across the 1900, 1910 and 1920 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed), with identified parents James & Mary — first a son (b.~1898), then head of a 3-person household.
Age 22
b. ~1898
Male
Son
Born: Maryland
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Baltimore, Maryland |
| Surname | Day |
| Given Name | William L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Stock clerk |
| Industry | Oil Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Stock Clerk |
| Township / Ward | 9Th District Part Of |
| Est. Birth Year | ~1898 |
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.
3 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Day | Head | — | 46 | ~1874 |
| William Day | Son | — | 22 | ~1898 |
| Annie Day | Spouse | — | 42 | ~1878 |
Census Appearances
1900
Baltimore, Maryland
Son, age 4
Baltimore, Maryland · implied b. ~1896 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | William C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Maryland |
| Birth Month | Mar |
| Birth Year | 1896 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1910
Baltimore, Maryland
Son, age 13
Baltimore, Maryland · implied b. ~1897 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| 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 |
1920
Baltimore, Maryland
Son, age 22
Baltimore, Maryland · implied b. ~1898 — 3 household members
| Surname | Day |
| Given Name | William L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Stock clerk |
| Industry | Oil Co |
| 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 William Day across 3 US Census years (1900, 1910 and 1920) in Baltimore, Maryland, using XGBoost record linkage. Identified parents: father James Day (~0.92 confidence) and mother Mary Day (~0.92 confidence) and father William Day (~0.92 confidence) and father William Day (~0.92 confidence) and mother Annie Day (~0.92 confidence) and mother Emma Day (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Day
b. ~1856
Source father
● Household
· direct · ~0.92
Mother
Mary Day
b. ~1866
Source mother
● Household
· direct · ~0.92
Father
William Day
b. ~1874
Source father
● Household
· direct · ~0.92
Father
William Day
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Annie Day
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Emma Day
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Day
Son · 1920 · age 22 · b. ~1898 · Maryland
★ 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 — Baltimore, Maryland
Open full size
1920 US Federal Census — Baltimore, Maryland
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu655unit:0328)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harry A. Davis | 38 | Head | Bookkeeper | Maryland |
| 2 | Gertrude M. Davis | 35 | Wife | — | Maryland |
| 3 | Harry A. Davis | 9 | Son | — | Maryland |
| 4 | Philip J. Davis | 6 | Son | — | Maryland |
| 5 | Frances E. Davis | 3 | Son | — | Maryland |
| 6 | Mary J. Davis | 1 | Daughter | — | Maryland |
| 7 | William M. Day | 46 | Head | Mechanic | Maryland |
| 8 | Annie L. Day | 42 | Wife | — | Maryland |
| 9 | William L. Day THIS PERSON | 22 | Son | Stock Clerk | Maryland |
| 10 | Mary Davis | 70 | Head | — | Ireland |
| 11 | Ella Davis | 47 | Daughter | Dressmaker | Maryland |
| 12 | James L. Mcgrain | 37 | Head | Plumber | Maryland |
| 13 | Ella B. Mcgrain | 34 | Wife | — | England |
| 14 | Frank J. Wheeler | 57 | Head | Farmer | Maryland |
| 15 | Elizabeth Wheeler | 54 | Wife | — | Maryland |
| 16 | Russell R. Wheeler | 17 | Son | — | Maryland |
| 17 | William M. Lerman | 38 | Head | Stock Clerk | Maryland |
| 18 | Florence M. Lerman | 32 | Wife | — | Maryland |
| 19 | William J. Lerman | 9 | Son | — | Maryland |
| 20 | Margaret E. Lerman | 7 | Daughter | — | Maryland |
| 21 | Francis M. Hines | 73 | Head | — | Bavaria |
| 22 | Elizabeth Hines | 52 | Wife | — | England |
| 23 | Joseph E. Moore | 25 | Stepson | Stenographer | Maryland |
| 24 | John Hines | 10 | Son | — | Maryland |
| 25 | James J. Moore | 1 | Stepson | — | Maryland |
| 26 | John O. Doyle | 24 | Lodger | Mechanic | Maryland |
| 27 | Henry E. Landy | 22 | Lodger | Engineer | Washington |
| 28 | Stanley L. Howard | 29 | Head | Mechanic | Maryland |
| 29 | Agatha M. Howard | 29 | Wife | — | Maryland |
| 30 | Robert L. Howard | 4 | Son | — | Maryland |
| 31 | Marvin L. Howard | 1 | Son | — | Maryland |
| 32 | Harry W. Bowyer | 41 | Head | Salesman | Maryland |
| 33 | Mamie S. Bowyer | 41 | Wife | — | Maryland |
| 34 | Thomas J. Bowyer | 14 | Son | — | Maryland |
| 35 | Nancy C. Bowyer | 7 | Daughter | — | Maryland |
| 36 | Robert Brown | 60 | Head | Laborer | Maryland |
| 37 | Nina Brown | 55 | Wife | Laundry | Maryland |
| 38 | Robert Young | 7 | Grandson | — | Maryland |
| 39 | William J. Young | 2 | Grandson | — | Maryland |
| 40 | David Tyler | 63 | Head | Laborer | Virginia |
| 41 | Rebecca L. Tyler | 25 | Daughter | Laundry | Maryland |
| 42 | George Tyler | 18 | Son | Laborer | Maryland |
| 43 | Lucille Tyler | 58 | Wife | — | Virginia |
| 44 | Samuel V. Parsons | 60 | Head | Laborer | Maryland |
| 45 | Cynthia Parsons | 50 | Wife | Laundry | Maryland |
| 46 | Samuel V. Parsons | 28 | Son | Laborer | Maryland |
| 47 | William H. Parsons | 20 | Son | Laborer | Maryland |
| 48 | Frank R. Parsons | 18 | Son | Laborer | Maryland |
| 49 | Ruth E. Parsons | 16 | Daughter | — | Maryland |
| 50 | Mary E. Parsons | 14 | Daughter | — | Maryland |
Pedigree Summary
William
Gen 1 · 6 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)