Is a fort named after you in central Pennsylvania? - Lord Ligonier (Ft. Ligonier)
Were you Sherlock Holmes’s Scotland Yard frenemy? - Yes, Insp. G. Lestrade (Conan Doyle never revealed his full first name)
Were you Lincoln’s occasional bodyguard? - The redoubtable Ward Hill Lamon
DQs:
Real?
Male?
IQs:
Were you a militia captain during the Black Hawk War?
Were you that person’s wife?
Were you their youngest son?
Rich Little (referred to as such on his Wikipedia page.) Unfortunately I can’t find another reference to back this up, but plenty of links that call Mel Blanc “Man of a Thousand Voices.” IQ withdrawn.
IQs:
1. Did you fake your death and reappear as your “son” (with plenty of hair)?
2. Did you marry Jordan Elliot?
3. Were you played by Annette O’Toole?
IQs:
1. Were you Superman’s Secret Weapon (pre-adoption)?
2. Were you a Kryptonian actress, and Kal-El’s wife in the Black Mercy dream world of “For the Man Who Has Everything”?
3. In the story from the Elseworlds 80-Page Giant that got it pulped, and then was ironically the only one from it to be reprinted, were you Superman’s babysitter?
Were you a militia captain during the Black Hawk War? - Not Lafayette, but Abraham Lincoln (he later said his election by his troops gave him more pleasure than any other win at the polls)
Were you that person’s wife? - Mary Todd Lincoln
Were you their youngest son? - Tad Lincoln
DQs:
American?
Created after 1970?
Originally from TV?
IQs:
A retired soldier, did you die aboard the seedship Ark?
Did Bogie and Bacall get married on your farm?
Were you mean to your younger son after your wife died giving birth to him?
1 fictional
2 female
3 last name starts with L
4 not originally from prose
5 I am not Lori Lemaris.
6 originally from TV or movies
7 premiere after 1970
8 was one of two stars/leads
9 American
10 originally from TV
EH, knoodler already asked about 1970, so take another DQ.