The most common and most likely answer to this crossword clue is the 5 letter word ASTOR which also is the latest solution we found used in USA Today in 2006.
John Jacob ___ (first US millionaire) crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| ASTOR | 100 % | 5 | 
Words with a meaning similar to the clue: John Jacob ___ (first US millionaire)
These words may or may not be a possible solution to this crosswords clue.- astor
 - walk
 - stand
 - anybody
 - lie
 - adam
 - arthur
 - cockpit
 - everything
 - bamboo
 - bowl
 - counterfeit
 
Crossword Answer definitions
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution