Since the Timeline 191 Filing the Gaps thread has been dormant for a while, I decided I would make and post some lists of leaders of the different nations in the world of Timeline 191. Sure there have been lists of the Presidents of both the US and CS before, but I'll do other lists like British Prime Ministers and such etc. 
This is just my attempt to list and organize these leaders all in one place.
Let's start of with Presidents and Vice Presidents of the USA.
1. George Washington (Independent) (1789-1797)
2. John Adams (Federalist) (1797-1801)
3. Thomas Jefferson (Democratic-Republican) (1801-1809)
4. James Madison (Democratic-Republican) (1809-1817)
5. James Monroe (Democratic-Republican) (1817-1825)
6. John Quincy Adams (Democratic-Republican) (1825-1829)
7. Andrew Jackson (Democratic) (1829-1837)
8. Martin Van Buren (Democratic) (1837-1841)
9. William Henry Harrison (Whig) (1841) †
10. John Tyler (Whig) (1841-1845)
11. James K. Polk (Democratic) (1845-1849)
12. Zachary Taylor (Whig) (1849-1850) †
13. Millard Fillmore (Whig) (1850-1853)
14. Franklin Pierce (Democratic) (1853-1853)
15. James Buchanan (Democratic) (1853-1857)
16. Abraham Lincoln (Republican) (1861-1865)
17. Horatio Seymour (Democratic) (1865-1869)
18. Thomas Hendricks (Democratic) (1869-1873)
19. George Woodward (Democratic) (1873-1875) †
20. Samuel Cox (Democratic) (1875-1877)
21. Samuel J. Tilden (Democratic) (1877-1881)
22. James G. Blaine (Republican) (1881-1885)
23. Winfield Scott Hancock (Democratic) (1885) †
24. Grover Cleveland (Democratic) (1885-1889)
25. Thomas Brackett Reed (Democratic) (1889-1897)
26. Alfred Thayer Mahan (Democratic) (1897-1905)
27. Nelson W. Aldrich (Democratic) (1905-1913)
28. Theodore Roosevelt (Democratic) (1913-1921)
29. Upton Sinclair (Socialist) (1921-1929)
30. Hosea Blackford (Socialist) (1929-1933)
31. Herbert Hoover (Democratic) (1933-1937)
32. Alfred E. Smith (Socialist) (1937-1942) †
33. Charles La Follette (Socialist) (1942-1945)
34. Thomas Dewey (Democratic) (1945-1953)
35. Harry S. Truman (Democratic) (1953-1961)
36. Hubert Humphrey (Socialist) (1961-1973)
37. Joshua Blackford (Democratic) (1973-1981)
38. Morgan Reynolds (Republican) (1981-1989)
39. Leo Enos (Socialist) (1989-1993)
37. Thurston DeFrancis (Democratic) (1993-1997)
38. Patrick Gutierrez (Republican) (1997- )
† = Died in Office
1. John Adams (Federalist) (1789-1797)
2. Thomas Jefferson (Democratic-Republican) (1797-1801)
3. Aaron Burr (Democratic-Republican) (1801-1805)
4. George Clinton (Democratic-Republican) (1805-1812) †
Vacancy by death (1812-1813)
5. Elbridge Gerry (Democratic-Republican) (1813-1814) †
Vacancy by death (1814-1817)
6. Daniel T. Tompkins (Democratic-Republican) (1817-1825)
7. John C. Calhoun (Democratic-Republican) (1825-1829) (Democratic) (1829-1832)*
Vacancy by resignation (1832-1833)
8. Martin Van Buren (Democratic) (1833-1837)
9. Richard Mentor Johnson (Democratic) (1837-1841)
10. John Tyler (Whig) (1841)
Vacancy by ascension (1841-1845)
11. George M. Dallas (Democratic) (1845-1849)
Vacancy by ascension (1841-1845)
12. Millard Fillmore (Whig) (1849-1850)
Vacancy by ascension (1849-1853)
13. William R. King (Democratic) (1853-1857) †
Vacancy by death (1853-1857)
14. John C. Breckenridge (Democratic) (1857-1861)
15. Hannibal Hamlin (Republican) (1861-1865)
16. George Pendleton (Democratic) (1865-1869)
17. Joel Parker (Democratic) (1869-1873)
18. Samuel S. Cox (Democratic) (1873-1875)
Vacancy by ascension (1875-1877)
19. Henry B. Payne (Democratic) (1877-1881)
20. J. Donald Cameron (Republican) (1881-1885)
21. Grover Cleveland (Democratic) (1885)
Vacancy by ascension (1885-1889)
22. Alfred Thayer Mahan (Democratic) (1889-1897)
23. William E. Russell (Democratic) (1897-1902) †
Vacancy by death (1902-1905)
24. Frank S. Black (Democratic) (1905-1913)
25. Walter McKenna (Democratic) (1913-1921)
26. Hosea Blackford (Socialist) (1921-1929)
27. Hiram Johnson (Socialist) (1929-1933)
Vacancy by ascension (1933-1937)
28. Charles La Follette (Socialist) (1937-1942)
Vacancy by ascension (1942-1945)
29. Harry S. Truman (Democratic) (1945-1953)
30. Irving Morrell (Democratic) (1953-1961)
31. Warren Magnuson (Socialist) (1961-1973)
32. James Rhodes (Democratic) (1973-1981)
33. John Smith (Republican) (1981-1989)
34. Alfred Turnbull (Socialist) (1989-1993)
35. Theodore Alonzo Kent (Democratic) (1993-1997)
36. Jonathan Kemp (Republican) (1997- )
† = Died in Office
Here are some sources for both of these lists. Also the last VP was speculation. I made someone up since I don't think Gutierrez's VP was mentioned in After the End.
https://www.alternatehistory.com/discussion/showpost.php?p=3114051&postcount=1
https://www.alternatehistory.com/discussion/showpost.php?p=7219891&postcount=1689
https://www.alternatehistory.com/discussion/showpost.php?p=7141681&postcount=21
https://www.alternatehistory.com/discussion/showpost.php?p=7365050&postcount=32
Let's start of with Presidents and Vice Presidents of the USA.
1. George Washington (Independent) (1789-1797)
2. John Adams (Federalist) (1797-1801)
3. Thomas Jefferson (Democratic-Republican) (1801-1809)
4. James Madison (Democratic-Republican) (1809-1817)
5. James Monroe (Democratic-Republican) (1817-1825)
6. John Quincy Adams (Democratic-Republican) (1825-1829)
7. Andrew Jackson (Democratic) (1829-1837)
8. Martin Van Buren (Democratic) (1837-1841)
9. William Henry Harrison (Whig) (1841) †
10. John Tyler (Whig) (1841-1845)
11. James K. Polk (Democratic) (1845-1849)
12. Zachary Taylor (Whig) (1849-1850) †
13. Millard Fillmore (Whig) (1850-1853)
14. Franklin Pierce (Democratic) (1853-1853)
15. James Buchanan (Democratic) (1853-1857)
16. Abraham Lincoln (Republican) (1861-1865)
17. Horatio Seymour (Democratic) (1865-1869)
18. Thomas Hendricks (Democratic) (1869-1873)
19. George Woodward (Democratic) (1873-1875) †
20. Samuel Cox (Democratic) (1875-1877)
21. Samuel J. Tilden (Democratic) (1877-1881)
22. James G. Blaine (Republican) (1881-1885)
23. Winfield Scott Hancock (Democratic) (1885) †
24. Grover Cleveland (Democratic) (1885-1889)
25. Thomas Brackett Reed (Democratic) (1889-1897)
26. Alfred Thayer Mahan (Democratic) (1897-1905)
27. Nelson W. Aldrich (Democratic) (1905-1913)
28. Theodore Roosevelt (Democratic) (1913-1921)
29. Upton Sinclair (Socialist) (1921-1929)
30. Hosea Blackford (Socialist) (1929-1933)
31. Herbert Hoover (Democratic) (1933-1937)
32. Alfred E. Smith (Socialist) (1937-1942) †
33. Charles La Follette (Socialist) (1942-1945)
34. Thomas Dewey (Democratic) (1945-1953)
35. Harry S. Truman (Democratic) (1953-1961)
36. Hubert Humphrey (Socialist) (1961-1973)
37. Joshua Blackford (Democratic) (1973-1981)
38. Morgan Reynolds (Republican) (1981-1989)
39. Leo Enos (Socialist) (1989-1993)
37. Thurston DeFrancis (Democratic) (1993-1997)
38. Patrick Gutierrez (Republican) (1997- )
† = Died in Office
1. John Adams (Federalist) (1789-1797)
2. Thomas Jefferson (Democratic-Republican) (1797-1801)
3. Aaron Burr (Democratic-Republican) (1801-1805)
4. George Clinton (Democratic-Republican) (1805-1812) †
Vacancy by death (1812-1813)
5. Elbridge Gerry (Democratic-Republican) (1813-1814) †
Vacancy by death (1814-1817)
6. Daniel T. Tompkins (Democratic-Republican) (1817-1825)
7. John C. Calhoun (Democratic-Republican) (1825-1829) (Democratic) (1829-1832)*
Vacancy by resignation (1832-1833)
8. Martin Van Buren (Democratic) (1833-1837)
9. Richard Mentor Johnson (Democratic) (1837-1841)
10. John Tyler (Whig) (1841)
Vacancy by ascension (1841-1845)
11. George M. Dallas (Democratic) (1845-1849)
Vacancy by ascension (1841-1845)
12. Millard Fillmore (Whig) (1849-1850)
Vacancy by ascension (1849-1853)
13. William R. King (Democratic) (1853-1857) †
Vacancy by death (1853-1857)
14. John C. Breckenridge (Democratic) (1857-1861)
15. Hannibal Hamlin (Republican) (1861-1865)
16. George Pendleton (Democratic) (1865-1869)
17. Joel Parker (Democratic) (1869-1873)
18. Samuel S. Cox (Democratic) (1873-1875)
Vacancy by ascension (1875-1877)
19. Henry B. Payne (Democratic) (1877-1881)
20. J. Donald Cameron (Republican) (1881-1885)
21. Grover Cleveland (Democratic) (1885)
Vacancy by ascension (1885-1889)
22. Alfred Thayer Mahan (Democratic) (1889-1897)
23. William E. Russell (Democratic) (1897-1902) †
Vacancy by death (1902-1905)
24. Frank S. Black (Democratic) (1905-1913)
25. Walter McKenna (Democratic) (1913-1921)
26. Hosea Blackford (Socialist) (1921-1929)
27. Hiram Johnson (Socialist) (1929-1933)
Vacancy by ascension (1933-1937)
28. Charles La Follette (Socialist) (1937-1942)
Vacancy by ascension (1942-1945)
29. Harry S. Truman (Democratic) (1945-1953)
30. Irving Morrell (Democratic) (1953-1961)
31. Warren Magnuson (Socialist) (1961-1973)
32. James Rhodes (Democratic) (1973-1981)
33. John Smith (Republican) (1981-1989)
34. Alfred Turnbull (Socialist) (1989-1993)
35. Theodore Alonzo Kent (Democratic) (1993-1997)
36. Jonathan Kemp (Republican) (1997- )
† = Died in Office
Here are some sources for both of these lists. Also the last VP was speculation. I made someone up since I don't think Gutierrez's VP was mentioned in After the End.
https://www.alternatehistory.com/discussion/showpost.php?p=3114051&postcount=1
https://www.alternatehistory.com/discussion/showpost.php?p=7219891&postcount=1689
https://www.alternatehistory.com/discussion/showpost.php?p=7141681&postcount=21
https://www.alternatehistory.com/discussion/showpost.php?p=7365050&postcount=32