Looking for information on these Calaman families in Washington Co., MD Census records. If you can help please contact me. THANKS!

1860

Grafton Calaman 45
wife Harriett 45
Frank 16
Tobias 14
Angelina 12
Phoebe 11
Aaron 8
Washington 6
Abraham 4
James 1

three doors down is:

William Calaman 65 and wife Dorcas (could this be Grafton's father?)

1880

Franklin Calaman 38
wife Matilda 42
Mary Ellen 15
Sara Catherine 14
Daniel 13
Anna Mariah 9
Grafton F. 7

1900

Frank Calaman, 56 widow

Could William be Grafton's father? Could Grafton be Franklin's father? If you can help please contact me. THANKS!