The 30-day waiting period for temple ordinances applies to all recently deceased people. Further, please follow Church policy when performing temple ordinances for someone who was born in the last 110 years.
For more information on this topic, please consult the Church’s General Handbook: Serving in The Church of Jesus Christ of Latter-day Saints, 28.1.
Related articles
What is the 110-year policy, and why was it initiated?
How do I perform ordinances for my deceased, immediate family members?
What does the ordinances status "Not Ready" mean?
Family Tree incorrectly lists a person's ordinances as "Not Ready."