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James Mann — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sumter-County, Florida
Our Model Tree links this James Mann across the 1930 and 1940 US Censuses in Sumter-County, Florida (XGBoost, ~Confirmed) — first a head (b.~1894), then head of a 7-person household.
Age 46
b. ~1894
Male
Head
Born: Florida
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Sumter-County, Florida |
| Surname | Mann |
| Given Name | James A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Florida |
| 1935 Residence (City) | Sumterville |
| 1935 Residence (County) | Sumter |
| Additional Details | |
| Occupation | Laborer |
| Industry | Sumter Road Dept |
| Class of Worker | GW |
| Hours Worked | 28 |
| Income (1939) | 408 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
| Occupation | Laborer |
| Township / Ward | Sumterville |
| Est. Birth Year | ~1894 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Sylvia Mann | Daughter | — | 18 | ~1922 |
| Herbert Mann | Son | — | 15 | ~1925 |
| James Mann | Head | — | 46 | ~1894 |
| Betty Mann | Daughter | — | 6 | ~1934 |
| J Mann | Son | — | 20 | ~1920 |
| Wilbur Mann | Son | — | 13 | ~1927 |
| Mattie Mann | Spouse | — | 46 | ~1894 |
Census Appearances
1930
Sumter, Florida
Head, age 35
Sumter, Florida · implied b. ~1895 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mann |
| Given Name | James R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Florida |
| Age at First Marriage | 18 |
| Father's Birthplace | Florida |
| Mother's Birthplace | Florida |
| Occupation | Laborer |
| Industry | Orange Packer |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 200 |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1940
Sumter-County, Florida
Head, age 46
Sumter-County, Florida · implied b. ~1894 — 7 household members
| Surname | Mann |
| Given Name | James A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Florida |
| 1935 Residence (City) | Sumterville |
| 1935 Residence (County) | Sumter |
| Occupation | Laborer |
| Industry | Sumter Road Dept |
| Class of Worker | GW |
| Hours Worked | 28 |
| Income (1939) | 408 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| 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 James Mann across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Mann
Head · 1940 · age 46 · b. ~1894 · Florida
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Sumter-County, Florida
Open full size
1940 US Federal Census — Sumter-County, Florida
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00618-00006)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James A. Mann THIS PERSON | 46 | Head | Laborer | Florida |
| 2 | Mattie M. Mann | 46 | Wife | — | Florida |
| 3 | J. Richard Mann | 20 | Son | Laborer | Florida |
| 4 | Sylvia F. Mann | 18 | Daughter | — | Florida |
| 5 | Herbert Mann | 15 | Son | — | Florida |
| 6 | Wilbur Mann | 13 | Son | — | Florida |
| 7 | Betty J. Mann | 6 | Daughter | — | Florida |
| 8 | William B. Hudson | 38 | Head | Mill Hand | Florida |
| 9 | Patsy L. Hudson | 36 | Wife | School Bus Driver | Florida |
| 10 | William E. Mcleod | 63 | Head | — | Florida |
| 11 | Millie E. Mcleod | 59 | Wife | Cook I | Florida |
| 12 | S. Love Belton | 47 | Head | Farm Operator | Florida |
| 13 | Lena B. Belton | 45 | Wife | School Teacher | Tennessee |
| 14 | Hattie Frank | 63 | Mother-in-law | — | Tennessee |
| 15 | William Walker | 24 | Head | Contractor Sup. | Florida |
| 16 | Hazel Q. Walker | 22 | Wife | — | Florida |
| 17 | Willie Walker | 2 | Daughter | — | Florida |
| 18 | Walter Boswell | 47 | Head | — | Florida |
| 19 | Bernice J. Boswell | 39 | Wife | Cook | Florida |
| 20 | Agnes J. Boswell | 17 | Daughter | — | Georgia |
| 21 | Lloyd A. Northrop | 25 | Head | Laborer | Georgia |
| 22 | Dorothy L. Northrop | 20 | Wife | Mail Carrier | Florida |
| 23 | Ed F. B. Albany | 39 | Head | Woodcutter | Florida |
| 24 | Nellie B. Albany | 39 | Wife | — | Alabama |
| 25 | Wilma Albany | 17 | Daughter | — | Florida |
| 26 | Elna Albany | 15 | Daughter | — | Florida |
| 27 | Ruth Albany | 13 | Daughter | — | Florida |
| 28 | Edward L. Albany | 11 | Son | — | Florida |
| 29 | William Albany | 9 | Son | — | Florida |
| 30 | Dan J. Albany | 8 | Son | — | Florida |
| 31 | Shirley W. Albany | 5 | Daughter | — | Florida |
| 32 | W. Grady Turner | 33 | Head | Fisherman | Texas |
| 33 | Sarah G. B. Turner | 32 | Wife | School Teacher | Florida |
| 34 | Barbara Turner | 7 | Daughter | — | Florida |
| 35 | Mac A. Callaway | 64 | Head | Filling Station | Alabama |
| 36 | Mattie E. Callaway | 62 | Wife | — | Georgia |
| 37 | Minnie F. Tompkins | 64 | Head | — | Florida |
| 38 | Tracy E. Miller | 36 | Head | Labourer | West Virginia |
| 39 | Edna A. Miller | 27 | Wife | — | Florida |
| 40 | Pearl A. Miller | 10 | Daughter | — | Florida |
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)