DY
Donald Young — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Donald Young across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Conrad & Conrad — first a son (b.~1920), then head of a 4-person household.
Age 20
b. ~1920
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Young |
| Given Name | Donald J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | BOSTON city |
| 1935 Residence (County) | SUFFOLK |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Yes 3 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1920 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Donald | Age | Birth yr |
|---|---|---|---|---|
| Conrad Young | Head | — | 51 | ~1889 |
| Norman Young | Son | — | 18 | ~1922 |
| Mabel Young | Spouse | — | 45 | ~1895 |
| Donald Young | Son | — | 20 | ~1920 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age
Suffolk, Massachusetts · implied b. ~1920 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Young |
| Given Name | Donald J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Son, age 11
Suffolk, Massachusetts · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Young |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 20
Suffolk-County, Massachusetts · implied b. ~1920 — 4 household members
| Surname | Young |
| Given Name | Donald J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | BOSTON city |
| 1935 Residence (County) | SUFFOLK |
| Income (1939) | 0 |
| Highest Grade | Yes 3 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Donald Young across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Conrad Young (~0.92 confidence) and father Conrad Young (~0.92 confidence) and father Ernest Young (~0.92 confidence) and mother Mabel Young (~0.92 confidence) and mother Mabel Young (~0.92 confidence) and mother Mabel Young (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Conrad Young
b. ~1889
Source father
● Household
· direct · ~0.92
Father
Conrad Young
b. ~1889
Source father
● Household
· direct · ~0.92
Father
Ernest Young
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Mabel Young
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Mabel Young
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Mabel Young
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Donald Young
Son · 1940 · age 20 · b. ~1920 · Massachusetts
★ You are viewing this record
Sibling
Norman Young
Sibling · 1940 · age 18
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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01680-00188)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Capitola Haynes | 77 | Head | — | Vermont |
| 2 | Lloyd R. Haynes | 47 | Son | Janitor | Massachusetts |
| 3 | Arthur P. Haynes | 44 | Son | Commercial Illustrator | Massachusetts |
| 4 | Leda E. Sanderson | 51 | Daughter | Cashier | Rhode Island |
| 5 | Walter H. Trowbridge | 25 | Son-in-law | Stock Auditor | Massachusetts |
| 6 | Lamia A. Trowbridge | 24 | Daughter | — | Massachusetts |
| 7 | Walter W. Trowbridge | 6 | Grandson | — | Massachusetts |
| 8 | Conrad J. Young | 51 | Head | Stationary Engineer | Massachusetts |
| 9 | Mabel G. Young | 45 | Wife | — | Massachusetts |
| 10 | Donald J. Young THIS PERSON | 20 | Son | — | Massachusetts |
| 11 | Norman G. Young | 18 | Son | — | Massachusetts |
| 12 | Anton G. Reisberger | 60 | Head | Cabinet Maker | Hungary |
| 13 | Martha M. Reisberger | 54 | Wife | — | Germany |
| 14 | Joseph P. Sullivan | 25 | Head | Accountant | Massachusetts |
| 15 | Ruth L. Sullivan | 24 | Wife | Secretary | Massachusetts |
| 16 | Michael J. Hayes | 52 | Head | Receipt Collector | Irish Free State |
| 17 | Margaret M. Hayes | 52 | Wife | — | Irish Free State |
| 18 | Helen M. Hayes | 21 | Daughter | Salesgirl | Massachusetts |
| 19 | Catherine F. Hayes | 18 | Daughter | — | Massachusetts |
| 20 | Mary T. Hayes | 13 | Daughter | — | Massachusetts |
| 21 | Harry J. Hirsch | 53 | Head | Machinist | Massachusetts |
| 22 | Ida L. Hirsch | 54 | Wife | — | Massachusetts |
| 23 | James J. Killalea | 44 | Head | Letter Carrier | Irish Free State |
| 24 | Catherine M. Killalea | 34 | Wife | — | Irish Free State |
| 25 | James Killalea | 4 | Son | — | Massachusetts |
| 26 | John Killalea | 3 | Son | — | Massachusetts |
| 27 | Henry A. Schmidt | 82 | Head | Watchmaker | Massachusetts |
| 28 | Louise A. Schmidt | 74 | Wife | — | Massachusetts |
| 29 | Helen F. Jackson | 40 | Daughter | School Teacher Sewing | Massachusetts |
| 30 | Doris H. Jackson | 12 | Grand-Daughter | — | Massachusetts |
| 31 | Marie F. Libourel | 50 | Head | Teacher | Massachusetts |
| 32 | Serobe Beldean | 68 | Head | Rug Repairer | Armenia |
| 33 | Paul Ziedelis | 53 | Head | Cutter | Lithuania |
| 34 | Veronica Ziedelis | 43 | Wife | Finisher | Lithuania |
| 35 | Edward Ziedelis | 19 | Son | Airplane Mechanic | Massachusetts |
| 36 | Irene Ziedelis | 15 | Daughter | — | Massachusetts |
| 37 | Virginia Ziedelis | 13 | Daughter | — | Massachusetts |
| 38 | Arthur F. Murray | 37 | Head | Frazer (Optical) | Massachusetts |
| 39 | Rose D. Murray | 32 | Wife | — | New York |
| 40 | James F. Scanlan | 70 | Head | Watchmaker | Massachusetts |
Pedigree Summary
Donald + 1 sibling
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 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)