CC
Clarence Cook — 1940 US Census Record
Model Tree available1940 United States Federal Census · Nassau-County, Florida
Our Model Tree links this Clarence Cook across the 1910, 1920, 1930 and 1940 US Censuses in Nassau-County, Florida (XGBoost, ~Confirmed), with identified parents Alfred & Alfrit — first a son (b.~1908), then head of a 4-person household.
Age 32
b. ~1908
Male
Son
Born: Florida
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Nassau-County, Florida |
| Surname | Cook |
| Given Name | Clarence H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Florida |
| 1935 Residence (City) | Fernandina |
| 1935 Residence (County) | Nassau |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
| Township / Ward | Fernandina |
| Est. Birth Year | ~1908 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Clarence | Age | Birth yr |
|---|---|---|---|---|
| Willie Cook | Spouse | — | 70 | ~1870 |
| Clarence Cook | Son | — | 32 | ~1908 |
| Edward Cook | Son | — | 36 | ~1904 |
| Alfrit Cook | Head | — | 71 | ~1869 |
Census Appearances
1910
Nassau, Florida
Son, age 2
Nassau, Florida · implied b. ~1908 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Clarence H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Florida |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1920
Nassau, Florida
Son, age 12
Nassau, Florida · implied b. ~1908 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Clarence A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Florida |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Carpenter |
| Industry | House |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1930
Nassau, Florida
Son, age 21
Nassau, Florida · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Clarence H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Florida |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Fishing |
| Industry | Shrimp |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1940
Nassau-County, Florida
Son, age 32
Nassau-County, Florida · implied b. ~1908 — 4 household members
| Surname | Cook |
| Given Name | Clarence H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Florida |
| 1935 Residence (City) | Fernandina |
| 1935 Residence (County) | Nassau |
| Highest Grade | No 8 |
| 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 Clarence Cook across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Alfred Cook (~0.92 confidence) and father Alfrit Cook (~0.92 confidence) and father Alphens Cook (~0.92 confidence) and mother Millie Cook (~0.92 confidence) and mother Nellie Cook (~0.92 confidence) and mother Willie Cook (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Alfred Cook
b. ~1864
Source father
● Household
· direct · ~0.92
Father
Alfrit Cook
b. ~1869
Source father
● Household
· direct · ~0.92
Father
Alphens Cook
b. ~1864
Source father
● Household
· direct · ~0.92
Mother
Millie Cook
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Nellie Cook
b. ~1871
Source mother
● Household
· direct · ~0.92
Mother
Willie Cook
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Clarence Cook
Son · 1940 · age 32 · b. ~1908 · Florida
★ You are viewing this record
Sibling
Edward Cook
Sibling · 1940 · age 36
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 — Nassau-County, Florida
Open full size
1940 US Federal Census — Nassau-County, Florida
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00601-00791)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Marion Gunning | 33 | Head | Operator | Wisconsin |
| 42 | Mable Gunning | 28 | Wife | — | Minnesota |
| 43 | Bryan E. Bowen | 65 | Head | Old Age Assistance | Florida |
| 44 | Elizabeth Bowen | 41 | Wife | — | Florida |
| 45 | Clem M. Bowen | 35 | Son | Fisherman | Florida |
| 46 | Mary Bowen | 32 | Daughter | — | Georgia |
| 47 | Clem M. Jr. Bowen | 14 | Grandson | — | Georgia |
| 48 | Bettie I. Bowen | 11 | Granddaughter | — | Florida |
| 49 | Alfrit E. Cook | 71 | Head | — | England |
| 50 | Willie F. Cook | 70 | Wife | — | England |
| 51 | Edward C. Cook | 36 | Son | Lubricator | Florida |
| 52 | Clarence H. Cook THIS PERSON | 32 | Son | — | Florida |
| 53 | William A. Brazelle | 51 | Head | Fisherman | Georgia |
| 54 | Annie L. Brazelle | 45 | Wife | — | Florida |
| 55 | Floria A. Brazelle | 23 | Daughter | Clerk | Georgia |
| 56 | Milton N. Brazelle | 15 | Son | — | Florida |
| 57 | Willie J. Haines | 31 | Head | Operator | Georgia |
| 58 | Ara P. Haines | 31 | Wife | — | Georgia |
| 59 | Charles H. Haines | 11 | Son | — | Florida |
| 60 | Howard E. Weeley | 36 | Head | Operator | Alabama |
| 61 | Emily Weeley | 36 | Wife | — | Alabama |
| 62 | Sybil L. Weeley | 8 | Daughter | — | Florida |
| 63 | Elizabeth N. Weeley | 5 | Daughter | — | Florida |
| 64 | Muriel J. Weeley | 5 | Daughter | — | Florida |
| 65 | L. Kunshek | 75 | Step Father | — | Mississippi |
| 66 | Mary E. Kunshek | 85 | Step Mother | — | Florida |
| 67 | Joseph F. Fleming | 47 | Head | Carpenter | Michigan |
| 68 | Athelio S. Nix | 76 | Head | — | Florida |
| 69 | Nettie Nix | 63 | Wife | — | Georgia |
| 70 | Roxy Nix | 19 | Daughter | Canning | Florida |
| 71 | Raymond Fourrakins | 53 | Head | Contractor | Florida |
| 72 | Beatrice B. Fourrakins | 42 | Wife | — | Florida |
| 73 | Sam N. Swearingen | 56 | Head | Tax Collector | Florida |
| 74 | Leta Swearingen | 48 | Wife | — | Florida |
| 75 | Amos R. Yandell | 65 | Head | Owner | Florida |
| 76 | Jennie W. Yandell | 48 | Wife | Clerk | Florida |
| 77 | Clayton T. Yandell | 17 | Son | — | Florida |
| 78 | Sarah D. Yandell | 13 | Daughter | — | Florida |
| 79 | Roberta J. Yandell | 10 | Daughter | — | Florida |
| 80 | Margit H. Yandell | 9 | Daughter | — | Florida |
Related Census Records
Pedigree Summary
Clarence + 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 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)