Danish Statistics of 1945 (København)

For other years see here

1	Kirsten (4,6 %)
2	Inge (4,2 %)
3	Jette (4,0 %)
4	Hanne (3,3 %)
5	Bente (3,0 %)
6	Lis (2,9 %)
7	Birgit (2,7 %)
8	Lene (2,6 %)
9	Ingelise (2,5 %)
10	Lone (2,3 %)
11	Jytte (2,1 %)
12	Marianne (1,9 %)
13	Anne (1,9 %)
14	Birthe (1,9 %)
15	Anni (1,8 %)

1	Erik (5,1 %)
2	Jørgen (4,5 %)
3	Ole (4,0 %)
4	Steen (3,6 %)
5	John (3,4 %)
6	Jan (3,2 %)
7	Hans (2,9 %)
8	Bjarne (2,5 %)
9	Per (2,4 %)
10	Jens (2,2 %)
11	Torben (2,2 %)
12	Niels (2,1 %)
13	Flemming (2,1 %)
14	Kurt (2,0 %)
15	Peter (1,9 %)

Source: