MS
Margaret Simmons — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Duval-County, Florida
Our Model Tree links this Margaret Simmons across the 1930 and 1940 US Censuses in Duval-County, Florida (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 8-person household.
Age 13
b. ~1927
Female
Daughter
Born: Florida
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Duval-County, Florida |
| Surname | Simmons |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Florida |
| 1935 Residence (City) | Grand Crossing |
| 1935 Residence (County) | Duval |
| Additional Details | |
| Highest Grade | No 0 |
| 1935 Residence | Same House |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
| Township / Ward | Grand Crossing |
| Est. Birth Year | ~1927 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Kathryn Simmons | Daughter | — | 19 | ~1921 |
| Mary Simmons | Spouse | — | 43 | ~1897 |
| John Simmons | Head | — | 53 | ~1887 |
| John Simmons | Son | — | 17 | ~1923 |
| Benjamin Simmons | Son | — | 15 | ~1925 |
| Montene Simmons | Daughter | — | 4 | ~1936 |
| Margaret Simmons | Daughter | — | 13 | ~1927 |
| William Simmons | Son | — | 8 | ~1932 |
Census Appearances
1930
Duval, Florida
Daughter, age 3
Duval, Florida · implied b. ~1927 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simmons |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Florida |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Florida |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1940
Duval-County, Florida
Daughter, age 13
Duval-County, Florida · implied b. ~1927 — 8 household members
| Surname | Simmons |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Florida |
| 1935 Residence (City) | Grand Crossing |
| 1935 Residence (County) | Duval |
| Highest Grade | No 0 |
| 1935 Residence | Same House |
| 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 Margaret Simmons across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Simmons
Daughter · 1940 · age 13 · b. ~1927 · Florida
★ You are viewing this record
Sibling
Benjamin Simmons
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathryn Simmons
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Simmons
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Montene Simmons
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Simmons
Sibling · 1940 · age 17
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 — Duval-County, Florida
Open full size
1940 US Federal Census — Duval-County, Florida
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00584-00029)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John R. Lee | 20 | Son | Tile Molder | Georgia |
| 2 | Daniel J. Hurst | 25 | Head | Mover | Georgia |
| 3 | Martha Hurst | 23 | Wife | — | Georgia |
| 4 | Betty M. Hurst | 5 | Daughter | — | Florida |
| 5 | Jonelle Hurst | 3 | Daughter | — | Florida |
| 6 | Daniel J. Jr. Hurst | 2 | Son | — | Florida |
| 7 | Myrtle Faye Hurst | 1 | Daughter | — | Florida |
| 8 | John C. Simmons | 53 | Head | Laborer | Georgia |
| 9 | Mary Simmons | 43 | Wife | — | Florida |
| 10 | Kathryn Simmons | 19 | Daughter | Candy Maker | Florida |
| 11 | John C. Jr. Simmons | 17 | Son | — | Florida |
| 12 | Benjamin Simmons | 15 | Son | — | Florida |
| 13 | Margaret Simmons THIS PERSON | 13 | Daughter | — | Florida |
| 14 | William H. Simmons | 8 | Son | — | Florida |
| 15 | Montene Simmons | 4 | Daughter | — | Florida |
| 16 | John J. Warwick | 45 | Head | Carman | Florida |
| 17 | Mary Warwick | 34 | Wife | — | Florida |
| 18 | Ruth Mae Warwick | 15 | Daughter | — | Florida |
| 19 | Lloyd Warwick | 13 | Son | — | Florida |
| 20 | Fleming Warwick | 11 | Son | — | Florida |
| 21 | Thomas Pearce | 31 | Head | Laborer | Florida |
| 22 | Gwen Pearce | 30 | Wife | — | Indiana |
| 23 | Alleen Pearce | 11 | Daughter | — | Florida |
| 24 | Francine Pearce | 10 | Daughter | — | Florida |
| 25 | Thomas W. Pearce | 7 | Son | — | Florida |
| 26 | Nadine Pearce | 5 | Daughter | — | Florida |
| 27 | Barbara Pearce | 3 | Daughter | — | Florida |
| 28 | Laverne Pearce | 1 | Daughter | — | Florida |
| 29 | Ralph Ellis | 29 | Head | Electric Welder | Florida |
| 30 | Emily Ellis | 27 | Wife | — | Georgia |
| 31 | Fleatith Ellis | 8 | Daughter | — | Florida |
| 32 | Doris Ellis | 6 | Daughter | — | Florida |
| 33 | Martha Ellis | 3 | Daughter | — | Florida |
| 34 | Ralph Jr. Ellis | 1 | Son | — | Florida |
| 35 | Francis H. Williams | 33 | Head | Mechanic | Florida |
| 36 | Lillian Williams | 30 | Wife | — | Florida |
| 37 | David Williams | 11 | Son | — | Florida |
| 38 | Richard Williams | 10 | Son | — | Florida |
| 39 | Harold Williams | 5 | Son | — | Florida |
| 40 | Jesse E. Pointer | 66 | Head | Carpenter | Kentucky |
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)