Every name given to a US baby since 1880, ranked year by year — straight from Social Security Administration birth records. 105,966 names · 375,362,447 births · public domain.

Rudolphus

#25,628 most common boys' name of all time · #67,568 across all names · 100% male / 0% female · used 1927–1949

Rank among boys
#25,628
Rank overall
#67,568 of 105,966
First appeared
1927
Years on the list
4 of 146
All-time
20
Since 2016
0
Peak year
1937 #3,966
Best rank
#3,966 1937
Girls Boys peak 5/yr
1940

Rudolphus first appears in 1927. That's the first year it was given to at least 5 US babies, which is the threshold below which the SSA withholds a name.

Year by year

YearGirlsBoysTotalRank
1949 — 5 5 #4,091
1948 — 5 5 #4,099
1937 — 5 5 #3,966
1927 — 5 5 #4,785