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Richard Long — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Polk-County, Iowa
Our Model Tree links this Richard Long across the 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 7-person household.
Age 11
b. ~1929
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Iowa |
| Surname | Long |
| Given Name | Richard H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Some place |
| 1935 Residence (County) | Some place |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Some place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Des Moines City |
| Est. Birth Year | ~1929 |
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 Richard | Age | Birth yr |
|---|---|---|---|---|
| Carole Long | Daughter | — | 21 | ~1919 |
| Bessie Long | Spouse | — | 52 | ~1888 |
| Marilyn Long | Daughter | — | 17 | ~1923 |
| John Long | Son | — | 19 | ~1921 |
| Foster Long | Head | — | 51 | ~1889 |
| Robert Long | Son | — | 13 | ~1927 |
| Richard Long | Son | — | 11 | ~1929 |
Census Appearances
1930
Polk, Iowa
Son, age 1
Polk, Iowa · implied b. ~1929 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Long |
| Given Name | Richard H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Polk-County, Iowa
Son, age 11
Polk-County, Iowa · implied b. ~1929 — 7 household members
| Surname | Long |
| Given Name | Richard H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Some place |
| 1935 Residence (County) | Some place |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Some place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Richard Long across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Richard Long
Son · 1940 · age 11 · b. ~1929 · Iowa
★ You are viewing this record
Sibling
Carole Long
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Long
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Long
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marilyn Long
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 — Polk-County, Iowa
Open full size
1940 US Federal Census — Polk-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01196-00828)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Martha Rees | 62 | Maid | Maid | Illinois |
| 2 | Auguste L. Pease | 71 | Head | — | Illinois |
| 3 | Millard Pease | 47 | Son | Carpenter | Illinois |
| 4 | Maude E. Messinger | 53 | Lodger | Practical Nurse | Iowa |
| 5 | Charles S. Barker | 62 | Head | Fire Marshal | Iowa |
| 6 | Elmira E. Barker | 57 | Wife | — | Iowa |
| 7 | Mary E. Creeko | 38 | Daughter | Bookkeeper | Iowa |
| 8 | Gladys M. Creeko | 18 | Granddaughter | File Clk. | Iowa |
| 9 | Geraldine E. Creeko | 16 | Granddaughter | — | Iowa |
| 10 | Mary E. Milligan | 79 | Mother-in-law | — | Iowa |
| 11 | George C. Beasley | 63 | Head | — | Iowa |
| 12 | Emma R. Beasley | 63 | Wife | — | Germany |
| 13 | Elsa L. Beasley | 34 | Daughter | — | Iowa |
| 14 | Foster L. Long | 51 | Head | Sta. Engineer | Ohio |
| 15 | Bessie M. Long | 52 | Wife | — | Iowa |
| 16 | Carole M. Long | 21 | Daughter | Office Clerk | Iowa |
| 17 | John L. Long | 19 | Son | File Clerk | Iowa |
| 18 | Marilyn P. Long | 17 | Daughter | — | Iowa |
| 19 | Robert D. Long | 13 | Son | — | Iowa |
| 20 | Richard H. Long THIS PERSON | 11 | Son | — | Iowa |
| 21 | Harry R. Miller | 77 | Head | Bookkeeper | Iowa |
| 22 | Nellie J. Miller | 56 | Wife | — | Iowa |
| 23 | Harlan P. Gallagher | 25 | Head | Trucker | Iowa |
| 24 | Pearl I. Gallagher | 26 | Wife | — | Iowa |
| 25 | Betty H. Gallagher | 3 | Daughter | — | Iowa |
| 26 | Joyce E. Gallagher | 1 | Daughter | — | Iowa |
| 27 | Darrell R. Hartline | 9 | Step-son | — | Iowa |
| 28 | Edwin Browder | 52 | Head | — | Iowa |
| 29 | Eva M. Browder | 48 | Wife | — | Iowa |
| 30 | Raymond J. Deworth | 31 | Head | Teacher - Coach | Minnesota |
| 31 | Vera P. Deworth | 32 | Wife | — | Iowa |
| 32 | Thomas M. Drummon | 35 | Head | Chief Clerk | Iowa |
| 33 | Ruth L. Drummon | 31 | Wife | — | Iowa |
| 34 | Thomas L. Drummon | 8 | Son | — | Iowa |
| 35 | Kenneth J. Drummon | 6 | Son | — | Iowa |
| 36 | Laurin H. Dahls | 37 | Head | Night Watchman | Iowa |
| 37 | Helen J. Dahls | 36 | Wife | Presswoman | Illinois |
| 38 | Harry King | 77 | Head | Painter | Iowa |
| 39 | Rosie C. King | 40 | Wife | Packer | Iowa |
| 40 | Ruby A. King | 23 | Daughter | Seamstress | Iowa |
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)