WC
William Carroll — 1930 US Census Record
Model Tree available1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this William Carroll across the 1910, 1920 and 1930 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed), with identified parents Ida & William — first a son (b.~1903), then head of a 5-person household.
Age 27
b. ~1903
Male
Son
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Carroll |
| Given Name | William G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Maryland |
| Age at First Marriage | 27 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Clerk |
| Industry | Aeroplane |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Clerk |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1903 |
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 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Mary Boessel | Daughter | — | 28 | ~1902 |
| James Carroll | Head | — | 60 | ~1870 |
| William Boessel | Other | — | 22 | ~1908 |
| William Carroll | Son | — | 27 | ~1903 |
| Annie Carroll | Spouse | — | 57 | ~1873 |
Census Appearances
1910
Baltimore, Maryland
Son, age 6
Baltimore, Maryland · implied b. ~1904 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carroll |
| Given Name | William H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Baltimore, Maryland
Son, age 16
Baltimore, Maryland · implied b. ~1904 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carroll |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Son, age 27
Baltimore, Maryland · implied b. ~1903 — 5 household members
| Surname | Carroll |
| Given Name | William G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Maryland |
| Age at First Marriage | 27 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Clerk |
| Industry | Aeroplane |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 Carroll across 3 US Census years (1910, 1920 and 1930) in Baltimore, Maryland, using XGBoost record linkage. Identified parents: mother Ida Carroll (~0.92 confidence) and father William Carroll (~0.92 confidence) and father James Carroll (~0.92 confidence) and mother Annie Carroll (~0.92 confidence) and father William Carroll (~0.92 confidence) and mother Birdie Carroll (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Ida Carroll
b. ~1865
Source mother
● Household
· direct · ~0.92
Father
William Carroll
b. ~1869
Source father
● Household
· direct · ~0.92
Father
James Carroll
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Annie Carroll
b. ~1873
Source mother
● Household
· direct · ~0.92
Father
William Carroll
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Birdie Carroll
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Carroll
Son · 1930 · age 27 · b. ~1903 · Maryland
★ You are viewing this record
Sibling
Mary Boessel
Sibling · 1930 · age 28
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 — Baltimore, Maryland
Open full size
1930 US Federal Census — Baltimore, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus865unit:0937)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lois M. Mills | 17 | Daughter | — | Maryland |
| 2 | Thelma L. Mills | 14 | Daughter | — | Maryland |
| 3 | Virginia D. Burns | 42 | Sister | Saleslady | Maryland |
| 4 | Holger Eriksen | 48 | Head | Carpenter | Norway |
| 5 | Annie L. Eriksen | 33 | Wife | — | Maryland |
| 6 | Ruth N. Eriksen | 12 | Daughter | — | Maryland |
| 7 | Edward F. Eriksen | 8 | Son | — | Maryland |
| 8 | Kathryn E. Quopens | 84 | Boarder | — | Germany |
| 9 | Frank J. Schuhman | 46 | Head | Chauffeur | Maryland |
| 10 | Sadie Schuhman | 45 | Wife | — | Maryland |
| 11 | Harlan L. Schuhman | 11 | Son | — | Maryland |
| 12 | Doris M. Schuhman | 14 | Daughter | — | Maryland |
| 13 | Julian G. Cann | 43 | Head | — | Maryland |
| 14 | George R. Cann | 43 | Brother | Clerk | Maryland |
| 15 | John Thorney | 52 | Boarder | — | England |
| 16 | Dennis H. Wright | 80 | Head | — | West Virginia |
| 17 | Ida M. Wright | 73 | Wife | — | West Virginia |
| 18 | Kenneth C. Mantz | 14 | Grandson | — | Maryland |
| 19 | Katherine E. Wystark | 64 | Sister-in-law | — | West Virginia |
| 20 | Elmer F. Devine | 47 | Head | Foreman | Maryland |
| 21 | Mary R. Devine | 46 | Wife | — | Maryland |
| 22 | William H. Devine | 17 | Son | — | Maryland |
| 23 | Elmer F. Devine | 15 | Son | — | Maryland |
| 24 | John D. Bonschleff | 73 | Head | Watchman | Maryland |
| 25 | Emma D. Bonschleff | 73 | Wife | — | Maryland |
| 26 | George C. Bonschleff | 45 | Son | Salesman | Maryland |
| 27 | Frederick Tadd | 40 | Head | Conductor | Maryland |
| 28 | Ursula Tadd | 41 | Wife | — | Maryland |
| 29 | Franklin J. Tadd | 7 | Son | — | Maryland |
| 30 | Sarah Benson | 85 | Mother-in-law | — | Maryland |
| 31 | Charles G. Spurrier | 59 | Head | Engineer | Maryland |
| 32 | Margaret Spurrier | 60 | Wife | — | Maryland |
| 33 | Charles G. Jr. Spurrier | 24 | Son | Reporter | Maryland |
| 34 | Rowland J. Spurrier | 22 | Son | Reporter | Maryland |
| 35 | James R. Carroll | 60 | Head | Engineer | Maryland |
| 36 | Annie E. Carroll | 57 | Wife | — | Maryland |
| 37 | William G. Carroll THIS PERSON | 27 | Son | Clerk | Maryland |
| 38 | William H. Boessel | 22 | Son-in-law | Teller | Maryland |
| 39 | Mary L. Boessel | 28 | Daughter | Cashier | Maryland |
| 40 | Lila Hall | 59 | Head | — | Maryland |
| 41 | Andrew P. Peterson | 50 | Boarder | Carpenter | Denmark |
| 42 | Joseph Walter | 40 | Boarder | Pipe Fitter | District of Columbia |
| 43 | George S. Sloan | 62 | Head | Machinist | Wales |
| 44 | Annie M. Sloan | 57 | Wife | — | West Virginia |
| 45 | Verna Armstrong | 24 | Boarder | Waitress | Texas |
| 46 | Martin Zimmerman | 50 | Head | Stock Clerk | Maryland |
| 47 | Elizabeth Zimmerman | 47 | Wife | — | Maryland |
| 48 | Mildred Zimmerman | 18 | Son | Runner | Maryland |
| 49 | Clara Zimmerman | 11 | Daughter | — | Maryland |
| 50 | Frank Busch | 54 | Head | Councilman | Maryland |
Pedigree Summary
William + 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 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)