| Reference Number | Title | Date |
| SU/1/5 | Saint Ultan's Hospital annual reports | 1960-1969 |
| KL/1/1 | Lynn Diary - Volume 1 | 1 January 1916 - 30 June 1937 |
| SU/7/4 | Newspaper scrapbooks | 10 February 1919 - 30 May 1969 |
| SU/7/6 | Newspaper scrapbook | May 1968 - October 1972 |
| SU/9/7 | Spent Bullet Case | 1955 |
| KL/3/5 | Volume 5: 1944-1948 | 1998 |
| SU/8/3/15 | Junior Red Cross donations bed rests to Saint Ultan's Hospital | 1953 |
| KL/3/6 | Volume 6: 1949-1955 | 1998 |
| KL/1/4 | Lynn Diary - Volume 4 | 22 August 1938 - 31 December 1954 |
| KL/3/4 | Volume 4: 1938-1943 | 1998 |
| KL/2/11(1-2) | Extract No. 11 - Copy of A B Wynne's letter on Richard Beavor Brown | 16 June 1899 |
| SU/3/4/2 | Minute book of the Kathleen Lynn Memorial Committee | 3 June 1956 - 16 May 1966 |
| KL/1 | Diaries of Kathleen Lynn | 1916-1955 |
| KL | Kathleen Lynn Diaries | 1916-1955 |
| KL/2/3(1) | Extract No. 3 - Draft diary entry | 27 October 1923 |
| SU/1 | Saint Ultan's Hospital annual reports | 1919-1980 |
| KL/2/12(1-2) | Extract No. 12 - Letter from Passport Department, Dublin Castle | 10 September 1919 |
| KL/3/3 | Volume 3: 1932-1937 | 1998 |
| SU/9/4 | Portrait of Kathleen Lynn | [1919] |
| SU/8/3/17 | [Junior Red Cross] donate rocking horse to Saint Ultan's Hospital | 1954 |
| SU | Saint Ultan's Hospital | c.1900-1989 |
| SU/8/3 | Saint Ultan's Hospital photographs and map | 1919-[1955] |
| SU/8/3/19 | Dr Kathleen Lynn | [1955] |
| SU/8/3/14 | Irish Junior Red Cross donates eighteen cot trays to Saint Ultan's Hospital | 1952 |
| KL/2/17(1) | Blotting paper | 1919-1952 |
| KL/1/3 | Lynn Diary - Volume 3 | 1 January 1938 - 21 August 1955 |
| KL/3 | Transcripts | 1998 |
| KL/3/1 | Volume 1: 1916-1925 | 1998 |
| KL/3/2 | Volume 2: 1926-1931 | 1998 |
| KL/1/2 | Lynn Diary - Volume 2 | 1 July 1916 - 31 December 1937 |
| KL/2 | Material removed from diaries | 1916 - 1955 |
| SU/8/3/5 | Luncheon at Teac Ultain | July 1933 |
| SU/10/6 | Save the German Children Society Hospital Plaque | 1957 |
| SU/3/4 | Minute books of other Saint Ultan's Hospital Committees | 1933-1975 |
| TPCK/6/10/3 | Public Health Circulars. No 1 | February 1918 |
| SU/8/3/12 | Junior Red Cross donations to Saint Ultan's Hospital | 1950 |
| SU/7/2 | Tickets and flyers for fundraising events | 1920, 1927, 1959, [1990s] |
| SU/8/3/10 | Post-Graduate Course | April 1949 |
| SU/8/3/13 | Irish Junior Red Cross present a cot to Saint Ultan's Hospital | 1951 |
| SU/10/5 | Dr. Kathleen Lynn Surgical Ward Plaque | 1969 |
| SU/6/4 | Correspondence | 1934, 1941, 1962, 1972 |
| KL/2/6(1) | Extract No. 6 - Draft diary entries | 21 February 1926 - 22 February 1926 |
| KL/2/7(1-2) | Extract No. 7 - Draft diary entries | 17 August 1928 - 24 August 1928 |
| SU/3/1 | Saint Ultan's Hospital Board Minute and Agenda Books | 1918-1984 |
| SU/3 | Board and Committee minute and agenda books | 1919-1984 |
| SU/8/3/9 | Rathmines Junior Red Cross donate an oxygen hood to Saint Ultan's Hospital | 1948 |
| SU/9/10 | Kathleen Lynn's Hudson Prize Medal | 1899 |
| HI/2022-9 | Dr Kathleen Lynn Commemorative €15 Silver Proof Coin | 2022 |
| KL/2/1(1-6) | Extract No. 1 - Draft diary entries | 24 April - 17 May 1916 |
| KL/2/1(7) | Extract No. 1 - Letter to Miss Yeats | 7 August 1916 |
| KL/2/2(1-4) | Extract No. 2 - Draft diary entries | 13 August 1919 - 23 August 1919 |
| KL/2/2(5-6) | Extract No. 2 - Draft diary entries | 13 November 1919 - 20 November 1919 |
| KL/2/4(1-2) | Extract No. 4 - Draft diary entries | 8 March 1925 - 10 March 1925 |
| KL/2/5(1) | Extract No. 5 - Draft diary entries | 17 April 1925 - 29 April 1925 |
| KL/2/5(2) | Extract No. 5 - Draft diary entries | 18 May 1925 - 3 June 1925 |
| KL/2/5(3-4) | Extract No. 5 - Draft diary entries | 27 October 1925 - 13 November 1925 |
| KL/2/5(5) | Extract No. 5 - Draft diary entry | 14 November 1925 |
| KL/2/8(1) | Extract No. 8 - Draft diary entries | 29 September 1931 - 2 October 1931 |
| KL/2/8(2-6) | Extract No. 8 - Draft diary entries | 5 November 1931 - 19 January 1932 |
| KL/2/8(7) | Extract No. 8 - Draft diary entries | 25 February 1932 - 10 March 1932 |
| KL/2/8(8-10) | Extract No. 8 - Draft diary entries | 22 September 1932 - 23 September 1932 |
| KL/2/9(1) | Extract No. 9 - Draft diary entries | 30 December 1932 - 6 January 1933 |
| KL/2/9(2) | Extract No. 9 - Draft diary entries | 26 May 1933 - 29 May 1933 |
| KL/2/9(3) | Extract No. 9 - Draft diary entries | 26 September 1933 - 1 October 1933 |
| KL/2/10(1) | Extract No. 10 - Draft diary entries | 11 April 1936 - 24 April 1936 |
| KL/2/10(2-4) | Extract No. 10 - Draft diary entry | 17 October 1936 |
| KL/2/13(1-2) | Extract No. 13 - Blue Stars by M. Barry O'Delany | 23 May 1930 |
| KL/2/13(3) | Extract No. 13 - Envelope | 21 May 1916 |
| KL/2/14(1) | Extract No. 14 - Miss Alicia Day business card | |
| KL/2/14(2) | Extract No. 14 - Itinerary for trip to Holland | |
| KL/2/14(3) | Extract No. 14 - Pamphlet for the opening of the Oireachtas | 8 February 1933 |
| KL/2/14(4) | Extract No. 14 - St Ultan's Infant Hospital headed paper | |
| KL/2/14(5) | Extract No. 14 - Handwritten note | 1930 |
| KL/2/14(6) | Extract No. 14 - Envelope | |
| KL/2/14(7) | Extract No. 14 - Envelope | |
| KL/2/14(8) | Extract No. 14 - Envelope | |
| KL/2/14(9) | Extract No. 14 - Envelope | |
| KL/2/14(10) | Extract No. 14 - Lock of pet dog's fur | |
| KL/2/14(11) | Extract No. 14 - Envelope | 6 August 1850 |
| KL/2/14(12) | Extract No. 14 - Blotting pad advertisements | |
| KL/2/15(1) | Extract No. 15 - Election handbill | 1927 |
| KL/2/15(2) | Extract No. 15 - Newspaper clipping | 18 June 1919 |
| KL/2/15(3) | Extract No. 15 - Newspaper clipping | 20 June 1919 |
| KL/2/15(4) | Extract No. 15 - Newspaper clipping | 24 June 1919 |
| KL/2/15(5) | Extract No. 15 - Newspaper clipping | 20 September 1921 |
| KL/2/15(6) | Extract No. 15 - Newspaper clipping | 9 December 1921 |
| KL/2/15(7) | Extract No. 15 - Newspaper clipping | 10 April 1922 |
| KL/2/15(8) | Extract No. 15 - Newspaper clipping | 21 October 1929 |
| KL/2/15(9) | Extract No. 15 - Newspaper clipping | 15 October 1932 |
| KL/2/15(10) | Extract No. 15 - Newspaper clipping | 2 February 1933 |
| KL/2/15(11) | Extract No. 15 - Newspaper clipping | 2 August 1933 |
| KL/2/15(12) | Extract No. 15 - Newspaper clipping | 12 December 1936 |
| KL/2/15(13) | Extract No. 15 - Newspaper clipping | March 1945 |
| KL/2/15(14) | Extract No. 15 - Newspaper clipping | 27 August 1947 |
| KL/2/15(15) | Extract No. 15 - Newspaper clipping | 29 August 1947 |
| KL/2/15(16) | Extract No. 15 - Newspaper clipping | 25 August 1947 |
| KL/2/15(17) | Extract No. 15 - Newspaper clipping | |
| KL/2/15(18) | Extract No. 15 - Newspaper clipping | |
| KL/2/15(19) | Extract No. 15 - Newspaper clipping | |
| KL/2/15(20) | Extract No. 15 - Newspaper clipping | |
| KL/2/15(21) | Extract No. 15 - Newspaper clipping | |
| KL/2/15(22) | Extract No. 15 - Newspaper clipping | 20 June 1947 |
| KL/2/16(1) | Newspaper clipping | 17 March 1919 |
| KL/2/16(2) | Newspaper clipping | 4 January 1919 |
| KL/2/16(3) | Pamphlet | 3 March 1920 |
| KL/2/16(4) | Newspaper clipping | 17 March 1919 |
| KL/2/16(5) | Newspaper clipping | 12 April 1919 |
| KL/2/16(6) | Newspaper clipping | |
| KL/2/16(7) | Newspaper clipping | 13 September 1952 |
| KL/2/16(8) | Newspaper clipping | |
| KL/2/16(9) | Newspaper clipping | |
| KL/2/16(10) | Newspaper clipping | |
| KL/2/16(11) | Newspaper clipping | 1 October 1919 |
| KL/2/16(12) | Newspaper clipping | 14 June 1946 |
| KL/2/16(13) | Newspaper clipping | 4 March 1920 |
| KL/2/16(14) | Newspaper clipping | 1 June 1920 |
| KL/2/16(15) | Newspaper clipping | |
| KL/2/16(17) | Newspaper clipping | |
| KL/2/16(16) | Envelope | 29 November 1942 - 16 March 1945 |
| KL/2/18(1-2) | Draft diary entries | 25 August 1928 - 29 August 1928 |
| KL/2/18(3) | Draft diary entries | 15 April 1932 - 16 April 1932 |
| KL/2/18(4) | Draft diary entries | 28 May 1937 - 1 June 1937 |
| KL/2/18(5) | Notebook | 27 June 1946 - 22 July 1946 |
| KL/2/19 | Diary covers | |
| HI/2022-6 | Kathleen Lynn's Coffee Set | [1900-1949] |