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Mary Allison — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Duval, Florida
Our Model Tree links this Mary Allison across the 1910 and 1920 US Censuses in Duval, Florida (XGBoost, ~Confirmed) — first a daughter (b.~1898), then head of a 10-person household.
Age 22
b. ~1898
Female
Daughter
Born: Florida
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Duval, Florida |
| Surname | Allison |
| Given Name | Mary B. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Florida |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Florida |
| Additional Details | |
| Occupation | Billing Clerk |
| Industry | Express Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
| Occupation | Billing Clerk |
| Township / Ward | Jacksonville City |
| Est. Birth Year | ~1898 |
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 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| John Trigg | Other | — | 21 | ~1899 |
| George Allison | Son | — | 18 | ~1902 |
| George Allison | Head | — | 45 | ~1875 |
| Annie Allison | Spouse | — | 40 | ~1880 |
| Lydia Allison | Daughter | — | 16 | ~1904 |
| Charles Allison | Son | — | 5 | ~1915 |
| Nellie Allison | Daughter | — | 25 | ~1895 |
| Lilly Allison | Daughter | — | 14 | ~1906 |
| Pearl Allison | Daughter | — | 20 | ~1900 |
| Mary Allison | Daughter | — | 22 | ~1898 |
Census Appearances
1910
Duval, Florida
Daughter, age 12
Duval, Florida · implied b. ~1898 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allison |
| Given Name | May Belle |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Florida |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Florida |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1920
Duval, Florida
Daughter, age 22
Duval, Florida · implied b. ~1898 — 10 household members
| Surname | Allison |
| Given Name | Mary B. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Florida |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Florida |
| Occupation | Billing Clerk |
| Industry | Express Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
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 Mary Allison across 2 US Census years (1910 and 1920) in Duval, Florida, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Allison
Daughter · 1920 · age 22 · b. ~1898 · Florida
★ You are viewing this record
Sibling
Pearl Allison
Sibling · 1920 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nellie Allison
Sibling · 1920 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Allison
Sibling · 1920 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lilly Allison
Sibling · 1920 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lydia Allison
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Allison
Sibling · 1920 · 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
1920 US Federal Census — Duval, Florida
Open full size
1920 US Federal Census — Duval, Florida
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu218unit:0862)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Bert C. Byrd | 10 | Son | — | Alabama |
| 2 | Robert H. Crawford | 24 | Head | — | Georgia |
| 3 | William D. Crawford | 22 | Brother | Collector | Georgia |
| 4 | Elizabeth D. Crawford | 19 | Sister-in-law | Teller | Georgia |
| 5 | Mark M. Bonham | 23 | Lodger | Teacher | Alabama |
| 6 | George W. Allison | 45 | Head | Manager | Tennessee |
| 7 | Annie L. Allison | 40 | Wife | — | Georgia |
| 8 | Nellie T. Allison | 25 | Daughter | — | Florida |
| 9 | Mary B. Allison THIS PERSON | 22 | Daughter | Billing Clerk | Florida |
| 10 | Pearl C. Allison | 20 | Daughter | Asst Cashier | Florida |
| 11 | George W. Allison | 18 | Son | Clerk | Florida |
| 12 | Lydia M. Allison | 16 | Daughter | Stenographer | Florida |
| 13 | Lilly M. Allison | 14 | Daughter | Saleswoman | Florida |
| 14 | Charles R. Allison | 5 | Son | — | Florida |
| 15 | John R. Trigg | 21 | Nephew | Messenger | Florida |
| 16 | Robert H. Pollard | 56 | Head | Secretary | England |
| 17 | Nancy R. Pollard | 39 | Wife | — | England |
| 18 | Nancy H. Pollard | 13 | Daughter | — | England |
| 19 | Robert H. Jr. Pollard | 11 | Son | — | Florida |
| 20 | Evelyn S. Pollard | 9 | Daughter | — | Florida |
| 21 | Edwin E. Willard | 72 | Head | Justice Of Peace | Florida |
| 22 | Jane L. Willard | 35 | Daughter | — | Florida |
| 23 | Helen E. Willard | 33 | Daughter | Secretary | Florida |
| 24 | Thomas E. Willard | 31 | Son | Commercial Traveler | Florida |
| 25 | John S. Telfair | 36 | Head | Commercial Traveler | Alabama |
| 26 | Anne W. Telfair | 28 | Wife | — | Florida |
| 27 | Mary W. Telfair | 8 | Daughter | — | Florida |
| 28 | John S. Jr. Telfair | 3 | Son | — | Florida |
| 29 | John H. Williamson | 63 | Head | Inspector | Tennessee |
| 30 | Mary C. Williamson | 56 | Wife | — | Louisiana |
| 31 | Mary C. Williamson | 29 | Daughter | Teacher | Florida |
| 32 | Florence Williamson | 26 | Daughter | Lawyer | Florida |
| 33 | Sara M. Williamson | 24 | Daughter | Teacher | Florida |
| 34 | Thomas D. Williamson | 21 | Son | — | Florida |
| 35 | Florence L. Campbell | 50 | Sister-in-law | Teacher | Louisiana |
| 36 | William H. William | 46 | Head | Commercial Traveler | Florida |
| 37 | Annie L. William | 38 | Wife | — | Ohio |
| 38 | William H. Jr. William | 19 | Son | Agent | Florida |
| 39 | Daniel B. William | 14 | Son | — | Florida |
| 40 | Guy B. Sawyer | 45 | Head | Broker | Mississippi |
| 41 | Margaret G. Sawyer | 38 | Wife | — | Mississippi |
| 42 | Margaret E. Sawyer | 20 | Daughter | — | Kansas |
| 43 | Catherine Laycock | 62 | Mother-in-law | — | Louisiana |
| 44 | John E. Harris | 60 | Head | Dealer | Georgia |
| 45 | Bennie B. Harris | 50 | Wife | — | North Carolina |
| 46 | Wallace L. Harris | 27 | Son | Farmer | Georgia |
| 47 | Eeliza E. Harris | 83 | Mother | — | Georgia |
| 48 | John James W. Petty | 37 | Head | Credit Manager | Illinois |
| 49 | Elizabeth Petty | 35 | Wife | — | Illinois |
| 50 | James W. Jr. Petty | 11 | Son | — | Florida |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)