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William Riley — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this William Riley across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents Harriet & Thomas — first a son (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Riley |
| Given Name | William P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Salesman |
| Industry | Travelers Ins. |
| Class of Worker | PW |
| Hours Worked | 18 |
| Income (1939) | 400 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Salesman |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1915 |
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 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Jean Riley | Daughter | — | 22 | ~1918 |
| Grace Riley | Head | — | 47 | ~1893 |
| William Riley | Son | — | 25 | ~1915 |
Census Appearances
1920
Baltimore, Maryland
Son, age 5
Baltimore, Maryland · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Riley |
| Given Name | William P |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Son, age 15
Baltimore, Maryland · implied b. ~1915 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Riley |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Helper |
| Industry | Sheet Metal |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Son, age 25
Baltimore-City-County, Maryland · implied b. ~1915 — 3 household members
| Surname | Riley |
| Given Name | William P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Salesman |
| Industry | Travelers Ins. |
| Class of Worker | PW |
| Hours Worked | 18 |
| Income (1939) | 400 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| 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 Riley across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Harriet Riley (~0.84 confidence) and father Thomas Riley (~0.84 confidence) and father James Riley (~0.92 confidence) and mother Mary Riley (~0.92 confidence) and father Glen Riley (~0.92 confidence) and mother Grace Riley (~0.92 confidence) and mother Grace Riley (~0.92 confidence). The pedigree spans 2 generations with 7 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.9
Mother
Harriet Riley
b. ~1856
Source father>mother
● Household
· direct · ~0.84
Father
Thomas Riley
b. ~1860
Source father>father
● Household
· direct · ~0.84
Father
James Riley
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Mary Riley
b. ~1883
Source mother
● Household
· direct · ~0.92
Father
Glen Riley
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Grace Riley
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Grace Riley
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Riley
Son · 1940 · age 25 · b. ~1915 · Maryland
★ You are viewing this record
Sibling
Jean Riley
Sibling · 1940 · age 22
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
1940 US Federal Census — Baltimore-City-County, Maryland
Open full size
1940 US Federal Census — Baltimore-City-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01525-00141)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mabel Brumbaugh | 56 | Wife | — | Pennsylvania |
| 42 | C. J. Jr. Brumbaugh | 23 | Son | Clerk | Maryland |
| 43 | John Bowerman | 71 | Head | Court Stenographer | Maryland |
| 44 | Mary Bowerman | 70 | Wife | — | Maryland |
| 45 | Grace Riley | 47 | Head | — | Maryland |
| 46 | William P. Riley THIS PERSON | 25 | Son | Salesman | Maryland |
| 47 | Jean Riley | 22 | Daughter | Secretary | Maryland |
| 48 | John L. Nyerly | 69 | Head | Retired | Maryland |
| 49 | Sophie Nyerly | 67 | Wife | — | Maryland |
| 50 | Nellie Lane | 39 | Daughter | Saleswoman | Maryland |
| 51 | Raymond Nyerly | 37 | Son | Salesman | Maryland |
| 52 | Henrietta Nyerly | 36 | Wife | — | Maryland |
| 53 | Nancy Lee Nyerly | 16 | Daughter | — | Maryland |
| 54 | Karl Kammerer | 50 | Head | Manager | Ohio |
| 55 | Naomi Kammerer | 44 | Wife | — | Indiana |
| 56 | Nina Kammerer | 15 | Daughter | — | Indiana |
| 57 | Edmund M. Arthur | 52 | Head | Assistant Manager | Maryland |
| 58 | Anna M. Arthur | 52 | Wife | — | Pennsylvania |
| 59 | Elizabeth Arthur | 28 | Daughter | — | Maryland |
| 60 | Susanna Fuller | 74 | Mother-in-law | — | Pennsylvania |
| 61 | Albert Bauer | 45 | Head | Conferee | Maryland |
| 62 | Anna Bauer | 44 | Wife | — | Virginia |
| 63 | Marilyn Bauer | 15 | Daughter | — | Maryland |
| 64 | Albert W. Bauer | 11 | Son | — | Maryland |
| 65 | Malcolm Rivkin | 32 | Head | Copy Reader | New York |
| 66 | Rosa Rivkin | 28 | Wife | — | Roumania |
| 67 | Joseph R. Rivkin | 3 | Son | — | Maryland |
| 68 | Robert Rivkin | 1 | Son | — | Maryland |
| 69 | Elizabeth Cross | 48 | Head | Clerk | Maryland |
| 70 | Patricia A. Cross | 19 | Daughter | Secretary | Maryland |
| 71 | Sara L. Furlong | 46 | Cousin | Clerk | Maryland |
| 72 | Elmer Connell | 28 | Head | Salesman | Maryland |
| 73 | Margaret Connell | 26 | Wife | — | Maryland |
| 74 | John E. Marshall | 43 | Head | Assistant Office Manager | Maryland |
| 75 | Helen B. Marshall | 41 | Wife | — | Maryland |
| 76 | Patty Marshall | 20 | Daughter | — | Maryland |
| 77 | Frank Wilson | 53 | Head | Stenographer | Maryland |
| 78 | Maud Wilson | 51 | Wife | Saleswoman | Maryland |
| 79 | Frank Jr. Wilson | 25 | Son | Clerk | Maryland |
| 80 | Stewart Wilson | 23 | Son | Laborer | Maryland |
Pedigree Summary
William + 1 sibling
Gen 1 · 5 parents
~0.92
Gen 2 · 2 grandparents
~0.84
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)