WD
William Donovan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Howard, Maryland
Our Model Tree links this William Donovan across the 1930 and 1940 US Censuses in Howard, Maryland (XGBoost, ~Confirmed) — first a head (b.~1874), then head of a 10-person household.
Age 56
b. ~1874
Male
Head
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Howard, Maryland |
| Surname | Donovan |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 23 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 4000 |
| Radio Set | R |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | West Friendship District 3 |
| Est. Birth Year | ~1874 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Mary Donovan | Other | — | 53 | ~1877 |
| Robert Donovan | Son | — | 16 | ~1914 |
| Alexander Donovan | Son | — | 28 | ~1902 |
| Mary Donovan | Daughter | — | 22 | ~1908 |
| Charles Donovan | Son | — | 18 | ~1912 |
| William Donovan | Head | — | 56 | ~1874 |
| George Donovan | Son | — | 26 | ~1904 |
| William Donovan | Son | — | 30 | ~1900 |
| Joseph Donovan | Son | — | 14 | ~1916 |
| David Donovan | Daughter | — | 24 | ~1906 |
Census Appearances
1930
Howard, Maryland
Head, age 56
Howard, Maryland · implied b. ~1874 — 10 household members
| Surname | Donovan |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 23 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 4000 |
| Radio Set | R |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Howard-County, Maryland
Other, age 70
Howard-County, Maryland · implied b. ~1870 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donovan |
| Given Name | William |
| Relationship to Head | Brother |
| Sex | M |
| Color / Race | White |
| Age | 70 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 3 |
| 1935 Residence (County) | Howard |
| Industry | 7 |
| Class of Worker | 0 |
| Highest Grade | No 2 |
| 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 Donovan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Donovan
Head · 1930 · age 56 · b. ~1874 · Maryland
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Howard, Maryland
Open full size
1930 US Federal Census — Howard, Maryland
Page Contents
49 people indexed on this census page (ia:1930:15thcensus876unit:0176)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James | 2 | Son | — | Maryland |
| 2 | William Donovan THIS PERSON | 56 | Head | — | Maryland |
| 3 | Mary G. Donovan | 53 | Wife-H | Bookkeeper | Maryland |
| 4 | William Donovan | 30 | Son | — | Maryland |
| 5 | Alexander Donovan | 28 | Son | — | Maryland |
| 6 | George Donovan | 26 | Son | — | Maryland |
| 7 | David V. L. Donovan | 24 | Daughter | — | Maryland |
| 8 | Mary G. Donovan | 22 | Daughter | — | Maryland |
| 9 | Charles Donovan | 18 | Son | — | Maryland |
| 10 | Robert L. Donovan | 16 | Son | — | Maryland |
| 11 | Joseph L. Donovan | 14 | Son | — | Maryland |
| 12 | Susan Dykes | 52 | Head | — | Maryland |
| 13 | Joseph H. Donovan | 54 | Head | Farmer | Maryland |
| 14 | Mary G. Donovan | 45 | Wife-H | — | Maryland |
| 15 | Mary G. Donovan | 11 | Daughter | — | Maryland |
| 16 | Josephine Donovan | 10 | Daughter | — | Maryland |
| 17 | Mary L. Donovan | 4 | Daughter | — | Maryland |
| 18 | John Sharman | 47 | Head | — | Virginia |
| 19 | Pearl M. Sharman | 39 | Wife-H | — | Maryland |
| 20 | Frederick Sharman | 10 | Son | — | Maryland |
| 21 | Maud Sharman | 4 | Daughter | — | Maryland |
| 22 | Emil Shipley | 53 | Brother | — | Maryland |
| 23 | George Graser | 74 | Uncle | — | Maryland |
| 24 | Linden Rindell | 43 | Head | — | Maryland |
| 25 | Lucy Rindell | 37 | Wife-H | — | Maryland |
| 26 | Leo M. Rindell | 19 | Son | — | Maryland |
| 27 | Linden Rindell | 16 | Son | — | Maryland |
| 28 | Linora Rindell | 14 | Daughter | — | Maryland |
| 29 | Irene Rindell | 11 | Daughter | — | Maryland |
| 30 | Idell Rindell | 7 | Daughter | — | Maryland |
| 31 | Melissa Rindell | 7 | Daughter | — | Maryland |
| 32 | Mary J. Rindell | 5 | Daughter | — | Maryland |
| 33 | Louise Rindell | 3 | Daughter | — | Maryland |
| 34 | Cecil F. Rindell | 1 | Son | — | Maryland |
| 35 | William Yates | 75 | Head | — | Maryland |
| 36 | Emma Winyer | 60 | Sister | — | Maryland |
| 37 | Frank B. Rindell | 51 | Head | — | Maryland |
| 38 | Minnie Rindell | 51 | Wife-H | — | Maryland |
| 39 | Adolph Rindell | 11 | Son | — | Maryland |
| 40 | Mary E. Rindell | 10 | Daughter | — | Maryland |
| 41 | Frank B. Rindell | 5 | Son | — | Maryland |
| 42 | Helen Rindell | 3 | Daughter | — | Maryland |
| 43 | George E. Rindell | 0 | Son | — | Maryland |
| 44 | Wilson Hart | 21 | Nephew | — | Maryland |
| 45 | Rudolph Affeldt | 59 | Head | Farmer | Germany |
| 46 | Augusta Affeldt | 41 | Wife-H | — | Germany |
| 47 | Rudolph H. Affeldt | 16 | Son | Laborer | Maryland |
| 48 | Freda L. Affeldt | 13 | Daughter | — | Maryland |
| 49 | Irene L. Affeldt | 11 | Daughter | — | Maryland |
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)