JD
John Dougherty — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this John Dougherty across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents Sarah & John — first a son (b.~1915), then head of a 5-person household.
Age 25
b. ~1915
Male
Son
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Dougherty |
| Given Name | John G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Clerk |
| Industry | Printing |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 266 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Clerk |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Dougherty | Head | — | 53 | ~1887 |
| Catherine Dougherty | Other | — | 25 | ~1915 |
| John Dougherty | Other | — | 1 | ~1939 |
| John Dougherty | Son | — | 25 | ~1915 |
| Thomas Dougherty | Son | — | 22 | ~1918 |
Census Appearances
1920
Baltimore, Maryland
Son, age 4
Baltimore, Maryland · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dougherty |
| Given Name | John F. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| 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 14
Baltimore, Maryland · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dougherty |
| Given Name | John G. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| 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 — 5 household members
| Surname | Dougherty |
| Given Name | John G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Clerk |
| Industry | Printing |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 266 |
| Highest Grade | Hs 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 John Dougherty across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Sarah Daugherty (~0.84 confidence) and father John Dougherty (~0.92 confidence) and father John Dougherty (~0.92 confidence) and father John Dougherty (~0.92 confidence) and mother Gladys Dougherty (~0.92 confidence) and mother Mary Dougherty (~0.92 confidence). The pedigree spans 2 generations with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.91
Mother
Sarah Daugherty
b. ~1852
Source mother>mother
● Household
· direct · ~0.84
Father
John Dougherty
b. ~1887
Source father
● Household
· direct · ~0.92
Father
John Dougherty
b. ~1887
Source father
● Household
· direct · ~0.92
Father
John Dougherty
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Gladys Dougherty
b. ~1897
Source mother
● Household
· direct · ~0.92
Mother
Mary Dougherty
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Dougherty
Son · 1940 · age 25 · b. ~1915 · Maryland
★ You are viewing this record
Sibling
Thomas Dougherty
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-t0627-01516-00026)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Henry F. Peters | 54 | Lodger | Watchman | Maryland |
| 2 | Fred W. Peters | 50 | Lodger | Sheet Metal | Maryland |
| 3 | Frederick Dorsey | 31 | Head | Stone Mason | Maryland |
| 4 | Catherine Dorsey | 33 | Wife | — | Maryland |
| 5 | Margaret Dorsey | 10 | Daughter | — | Maryland |
| 6 | Donald Dorsey | 6 | Son | — | Maryland |
| 7 | George E. Dorsey | 20 | Brother | Service | Maryland |
| 8 | James E. Whelan | 41 | Head | Credit Clerk | Maryland |
| 9 | Mary Whelan | 35 | Wife | — | Maryland |
| 10 | James Whelan | 9 | Son | — | Maryland |
| 11 | Joan Whelan | 8 | Daughter | — | Maryland |
| 12 | Joy Whelan | 8 | Daughter | — | Maryland |
| 13 | John Whelan | 29 | Head | Pipe Fitter | Maryland |
| 14 | Daisy Whelan | 29 | Wife | — | Maryland |
| 15 | Thomas Whelan | 8 | Son | — | Maryland |
| 16 | Walter Barth | 57 | Head | Cutter | Maryland |
| 17 | Margaret Barth | 59 | Wife | — | Maryland |
| 18 | Edward Barth | 25 | Son | Machine Op. | Maryland |
| 19 | Peter Hansen | 47 | Head | Policeman | Maryland |
| 20 | Helen Hansen | 46 | Wife | — | Maryland |
| 21 | Conrad Hansen | 24 | Son | Checker | Maryland |
| 22 | James J. Crowe | 72 | Head | — | Maryland |
| 23 | Mary H. Crowe | 65 | Wife | — | Maryland |
| 24 | Anna Crowe | 38 | Daughter | Floor Lady | Maryland |
| 25 | Ella Crowe | 37 | Daughter | Clerk | Maryland |
| 26 | John J. Dougherty | 53 | Head | Clerk | Maryland |
| 27 | Thomas E. Dougherty | 22 | Son | Chauffer | Maryland |
| 28 | John G. Dougherty THIS PERSON | 25 | Son | Clerk | Maryland |
| 29 | Catherine Dougherty | 25 | Daughter-in-law | — | Maryland |
| 30 | John E. Dougherty | 1 | Grandson | — | Maryland |
| 31 | Henry Pfeiffer | 47 | Head | Mechanic | Maryland |
| 32 | Carrie Pfeiffer | 42 | Wife | — | Maryland |
| 33 | Henry Pfeiffer | 21 | Son | Lathe | Maryland |
| 34 | Melvin Pfeiffer | 18 | Son | Machine Op. | Maryland |
| 35 | Earl Pfeiffer | 14 | Son | — | Maryland |
| 36 | Thelma Pfeiffer | 11 | Daughter | — | Maryland |
| 37 | Ruth Pfeiffer | 9 | Daughter | — | Maryland |
| 38 | Blanche Moore | 44 | Head | Book Binder | Maryland |
| 39 | John Moore | 22 | Son | Clerk | Maryland |
| 40 | Arthur Moore | 18 | Son | Lab. Asst. | Maryland |
Pedigree Summary
John + 1 sibling
Gen 1 · 5 parents
~0.92
Gen 2 · 1 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)