JD
John Donovan — 1930 US Census Record
Model Tree available1930 United States Federal Census · Worcester, Massachusetts
Our Model Tree links this John Donovan across the 1910, 1920 and 1930 US Censuses in Worcester, Massachusetts (XGBoost, ~Confirmed), with identified parents Mary & Joseph — first a son (b.~1910), then head of a 6-person household.
Age 20
b. ~1910
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Worcester, Massachusetts |
| Surname | Donovan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Counter |
| Industry | Lunch Cart |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Counter |
| Township / Ward | Worcester City |
| Est. Birth Year | ~1910 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mary Donovan | Daughter | — | 25 | ~1905 |
| Joseph Donovan | Head | — | 48 | ~1882 |
| Raymond Donovan | Son | — | 9 | ~1921 |
| John Donovan | Son | — | 20 | ~1910 |
| Frances Donovan | Son | — | 12 | ~1918 |
| Mary Donovan | Spouse | — | 48 | ~1882 |
Census Appearances
1910
Worcester, Massachusetts
Son, age
Worcester, Massachusetts · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donavan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Worcester, Massachusetts
Son, age 10
Worcester, Massachusetts · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donovan |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Worcester, Massachusetts
Son, age 20
Worcester, Massachusetts · implied b. ~1910 — 6 household members
| Surname | Donovan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Counter |
| Industry | Lunch Cart |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 John Donovan across 3 US Census years (1910, 1920 and 1930) in Worcester, Massachusetts, using XGBoost record linkage. Identified parents: mother Mary Donavan (~0.92 confidence) and father Joseph Donovan (~0.92 confidence) and father Joseph Donavan (~0.92 confidence) and mother Mary Donovan (~0.92 confidence) and mother Mary Donovan (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Donavan
b. ~1881
Source mother
● Household
· direct · ~0.92
Father
Joseph Donovan
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Joseph Donavan
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Mary Donovan
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Mary Donovan
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Donovan
Son · 1930 · age 20 · b. ~1910 · Massachusetts
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Sibling
Raymond Donovan
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Donovan
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Donovan
Sibling · 1930 · age 25
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
1930 US Federal Census — Worcester, Massachusetts
Open full size
1930 US Federal Census — Worcester, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel968:0738)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Donovan | 48 | Head | Loom Fixer | Massachusetts |
| 2 | Mary Donovan | 48 | Wife | — | Massachusetts |
| 3 | Mary Donovan | 25 | Daughter | Bookbinder | Massachusetts |
| 4 | John Donovan THIS PERSON | 20 | Son | Counter | Massachusetts |
| 5 | Frances Donovan | 12 | Son | — | Massachusetts |
| 6 | Raymond Donovan | 9 | Son | — | Massachusetts |
| 7 | Mary Lee | 47 | Head | Laborer | Massachusetts |
| 8 | Helen Lee | 57 | "Wife ""H""" | — | Irish Free State |
| 9 | Mary Lee | 28 | Daughter | Chauffeur | Massachusetts |
| 10 | Michael E. Lee | 57 | Brother | Iron Worker | Massachusetts |
| 11 | Miles Mcfarland | 25 | Head | Policeman | Massachusetts |
| 12 | Katherine Mcfarland | 26 | "Wife ""H""" | — | Massachusetts |
| 13 | Jane Mcfarland | 4 | Daughter | — | Massachusetts |
| 14 | June Mcfarland | 1 | Daughter | — | Massachusetts |
| 15 | Patricia Mcfarland | 0 | Daughter | — | Massachusetts |
| 16 | Gus Stefou | 38 | Head | Grocery Clerk | Albania |
| 17 | Efthimia Stefou | 27 | "Wife ""H""" | — | Albania |
| 18 | Alexandra Stefou | 4 | Daughter | — | Massachusetts |
| 19 | George Stefou | 3 | Son | — | Massachusetts |
| 20 | Lina Laudouce | 56 | Head | Waitress | Massachusetts |
| 21 | Ruth Laudouce | 17 | Daughter | Hand Worker | Massachusetts |
| 22 | Lawrence Sheahan | 56 | Head | Cooper | Massachusetts |
| 23 | Bridget Sheahan | 41 | "Wife ""H""" | — | Irish Free State |
| 24 | Mary A. Sullivan | 76 | Mother | Packer | Massachusetts |
| 25 | Anna Sullivan | 10 | Sister | — | Massachusetts |
| 26 | James A. Sealy | 40 | Head | Stock Man | Massachusetts |
| 27 | Mabel M. Sealy | 28 | "Wife ""H""" | — | Maine |
| 28 | Charles Glass | 40 | Head | Laborer | New York |
| 29 | Joseph Boudreau | 56 | Head | Stationary Engineer | Massachusetts |
| 30 | Delia Boudreau | 52 | "Wife ""H""" | — | Massachusetts |
| 31 | James B. Gardner | 41 | Head | Painter | Maine |
| 32 | Ruby Gardner | 27 | "Wife ""H""" | — | Maine |
| 33 | Virgil Gardner | 10 | Daughter | — | Massachusetts |
| 34 | Lois Gardner | 8 | Daughter | — | Massachusetts |
| 35 | Herbert Gardner | 5 | Son | — | Maine |
| 36 | Alfred Tundell | 29 | Head | Coal Heaver | Massachusetts |
| 37 | Elsa Tundell | 28 | "Wife ""H""" | — | Canada French |
| 38 | Margaret Tundell | 8 | Daughter | — | Massachusetts |
| 39 | Phyllis Tundell | 6 | Daughter | — | Massachusetts |
| 40 | Mary Tundell | 2 | Daughter | — | Massachusetts |
| 41 | Dorothy Tundell | 1 | Son | — | Massachusetts |
| 42 | Sarah Brown | 59 | "Head ""H""" | House Worker | Massachusetts |
| 43 | Arthur Varia | 37 | Lodger | Laborer | Connecticut |
| 44 | Bessie Levinson | 45 | Head | — | Russia |
| 45 | Bennie Levinson | 27 | Son | Teacher | Russia |
| 46 | Harry Levinson | 26 | Son | Musician | At Sea |
| 47 | Bertha Levinson | 23 | Daughter | Clerk Secretary | Massachusetts |
| 48 | Samuel Levinson | 21 | Son | — | Massachusetts |
| 49 | Sarah Levinson | 17 | Daughter | — | Massachusetts |
| 50 | Lily Levinson | 16 | Daughter | — | Massachusetts |
Pedigree Summary
John + 3 siblings
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)