Stage 1:

 

Stage 2:

1 Whit   12/07/1941 9 "East Winds Raining"
2 Jerry Whittaker   12/31 13 "New Years Eve Live!"
3 Tommy   06/02/1946 7 "The Case of the Secret Room"
4 Kirk McGinty   12/26 3 "The Day After Christmas"
5 Robert Skead   1921 11 "Buried Sin"
6 Ben Franklin   08/28/1942 14 "Rescue from Manatugo Point"
7 Percival Fenwick   1977 12 "Honor Thy Parents"
8 Christopher Columbus   03/10/1986 5 "The Power"
9 Joe Finneman   11/12/1971 2 "The Complete Guide to AIO"
10 Fillmore Recreation Center   05/30 4 "The Price of Freedom"
11 Thomas Newcastle   10/01 1 "The Complete Guide to AIO"
12 Odyssey Mission   1934 10 "The Complete Guide to AIO"
13 Joey*   10/12/1492 8 "Columbus: The Grand Voyage"
14 Reginald Duffield   07/02/1776 6 "The Day Independence Came"

 

Stage 3:
(AA)  has (BB)  Hair

  (AA) is related to (CC)

  (DD) worked for (EE)

  (EE) has (FF) Hair

  (DD) is related to (GG)

  (HH) proposed to (I I)

(I I) worked for the same organization (JJ)

(JJ) proposed to (KK)

(KK) wanted to be given away by (HH)

  (EE) broke (HH)  (BB) Wagon

Clues:

(GG) runs a Store

(CC) Washes Windows